Reduced PriceOffersContact UsHelpTrack Orders
Home
Login
Register
My Account
0
0 ItemsHK$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      INFINEON
      STMICROELECTRONICS
      KEMET
      PANASONIC
      AMPHENOL
      ALPHAWIRE
      OMEGA
      NI
      TEKTRONIX
      TE CONNECTIVITY
      LITTELFUSE
      RASPBERRY PI
      View All Manufacturers
      MULTICOMP PRO

      The Engineer's Choice

      From prototype to production

      Learn More

      ACCESS ASSEMBLE ASPIRE

      The right components for tomorrow's success

      Learn More
      • Resources
      • Services
        • Custom Components
        • Purchasing & Procurement support
        • Design Resources
        • Production & Contract Manufacturing Services
        • Education Hub
        • Education Kits
        • Facilitates & Operation Support
        • Packaging Solutions
        View All Services
        Technical Resources
        • Security & Surveillance
        • Healthcare
        • Industrial Automation
        • OEM Solutions
        • EV Charging
        • Internet of Things
        • Artificial Intelligence
        • Maintenance & Safety
        • Wireless Technology
        • Sensor Technology
        • Power Management
        • Embedded Hub
        • 3D Printing Solutions
        • Engineering Glossary
        • Calculators & Charts
        • Selector Tools & Catalogues
        • Software Offer
        View All Tech Resources
        Help
        • Contact Us
        • New To element14
        • Technical Support
        • Delivery Information
        • Legislation and Environmental
        • FAQ's
        • Feedback
        View All Help
        • Back to Resources
        • Services
          • Back to Services
          • Custom Components
            • Purchasing & Procurement support
              • Design Resources
                • Production & Contract Manufacturing Services
                  • Education Hub
                    • Education Kits
                      • Facilitates & Operation Support
                        • Packaging Solutions
                          • View All Services
                          • Technical Resources
                            • Back to Technical Resources
                            • Security & Surveillance
                              • Healthcare
                                • Industrial Automation
                                  • OEM Solutions
                                    • EV Charging
                                      • Internet of Things
                                        • Artificial Intelligence
                                          • Maintenance & Safety
                                            • Wireless Technology
                                              • Sensor Technology
                                                • Power Management
                                                  • Embedded Hub
                                                    • 3D Printing Solutions
                                                      • Engineering Glossary
                                                        • Calculators & Charts
                                                          • Selector Tools & Catalogues
                                                            • Software Offer
                                                              • View All Tech Resources
                                                              • Help
                                                                • Back to Help
                                                                • Contact Us
                                                                  • New To element14
                                                                    • Technical Support
                                                                      • Delivery Information
                                                                        • Legislation and Environmental
                                                                          • FAQ's
                                                                            • Feedback
                                                                              • View All Help
                                                                            • Communities
                                                                            • element14
                                                                              Visit the element14 Community for technical discussions, learning content, and opportunities to test new products.
                                                                              hacksterio
                                                                              Hackster is a community dedicated to learning hardware.
                                                                              • Back to Communities
                                                                              • element14
                                                                                • Hackster.io
                                                                                • Bill of Materials (BOM) Upload
                                                                                  • Tools
                                                                                  • Quick Buy
                                                                                    Parts List (BOM) Upload
                                                                                    Request a Quote
                                                                                    All Buying Tools
                                                                                    • Back to Tools
                                                                                    • Quick Buy
                                                                                      • Parts List (BOM) Upload
                                                                                        • Request a Quote
                                                                                          • All Buying Tools
                                                                                          • Offers
                                                                                            • Contact Us
                                                                                              • Help
                                                                                                • Reduced Price
                                                                                                  1. Home
                                                                                                  2. Circuit Protection
                                                                                                  3. Thermistors
                                                                                                  4. Resettable Fuses
                                                                                                  5. Radial Leaded PPTCs
                                                                                                  Print Page

                                                                                                  RXEF030

                                                                                                  Resettable Fuse, PPTC, PolySwitch RXEF, 72 VDC, 300 mA, 600 mA, 3 s, Round

                                                                                                  LITTELFUSE
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  LITTELFUSE RXEF030
                                                                                                  ManufacturerLITTELFUSE
                                                                                                  Manufacturer Part NoRXEF030
                                                                                                  Order Code1175861
                                                                                                  Product RangePolySwitch RXEF
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  10,495 In Stock

                                                                                                  4,000 more incoming. You can reserve stock now

                                                                                                  1816 Delivery in 1-2 Business Days(SG stock)
                                                                                                  8679 Delivery in 3-4 Business Days(UK stock)
                                                                                                  QuantityPrice
                                                                                                  1+HK$3.260
                                                                                                  10+HK$2.170
                                                                                                  50+HK$2.140
                                                                                                  100+HK$2.100
                                                                                                  200+HK$1.990
                                                                                                  500+HK$1.880
                                                                                                  Price for:Each
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  HK$3.26
                                                                                                  Line Note
                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                  Product Information

                                                                                                  LITTELFUSE
                                                                                                  ManufacturerLITTELFUSE
                                                                                                  Manufacturer Part NoRXEF030
                                                                                                  Order Code1175861
                                                                                                  Product RangePolySwitch RXEF
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Product RangePolySwitch RXEF
                                                                                                  Voltage Rating72VDC
                                                                                                  Holding Current300mA
                                                                                                  Trip Current600mA
                                                                                                  Time to Trip3s
                                                                                                  Fuse ShapeRound
                                                                                                  Current Rating Max40A
                                                                                                  Lead Spacing5.8mm
                                                                                                  Diameter7.4mm
                                                                                                  Length-
                                                                                                  Thickness3mm
                                                                                                  Height12.7mm
                                                                                                  Operating Temperature Min-40°C
                                                                                                  Operating Temperature Max85°C
                                                                                                  Automotive Qualification Standard-

                                                                                                  Product Overview

                                                                                                  The RXEF030 from TE Connectivity is a radial leaded PolySwitch resettable device. It provides engineers with more design flexibility. The higher voltage ratings allow this device to use in new applications and it is compatible with high volume electronics assembly.

                                                                                                  • Fast time to trip
                                                                                                  • Low resistance
                                                                                                  • UL, CSA and TUV approved
                                                                                                  • Hold current of 0.3A at room temperature
                                                                                                  • Maximum voltage of 72V
                                                                                                  • Maximum current of 40A
                                                                                                  • Trip current of 0.6A at room temperature
                                                                                                  • Maximum resistance of 2.1ohm at 20°C (1hr post trip)
                                                                                                  • Operation temperature range from -40°C to 85°C
                                                                                                  • UL94 V-0 flame retardant epoxy polymer insulation

                                                                                                  Applications

                                                                                                  Safety, Industrial, Portable Devices

                                                                                                  Warnings

                                                                                                  This device is intended for protection against overcurrent or overtemperature fault conditions and should not be used when repeated fault conditions or prolonged trip events are anticipated.

                                                                                                  Notes

                                                                                                  Operation in circuits with a large inductance can generate circuit voltage (Ldi/dt) above rated voltage of device.

                                                                                                  Technical Specifications

                                                                                                  Product Range

                                                                                                  PolySwitch RXEF

                                                                                                  Holding Current

                                                                                                  300mA

                                                                                                  Time to Trip

                                                                                                  3s

                                                                                                  Current Rating Max

                                                                                                  40A

                                                                                                  Diameter

                                                                                                  7.4mm

                                                                                                  Thickness

                                                                                                  3mm

                                                                                                  Operating Temperature Min

                                                                                                  -40°C

                                                                                                  Automotive Qualification Standard

                                                                                                  -

                                                                                                  Voltage Rating

                                                                                                  72VDC

                                                                                                  Trip Current

                                                                                                  600mA

                                                                                                  Fuse Shape

                                                                                                  Round

                                                                                                  Lead Spacing

                                                                                                  5.8mm

                                                                                                  Length

                                                                                                  -

                                                                                                  Height

                                                                                                  12.7mm

                                                                                                  Operating Temperature Max

                                                                                                  85°C

                                                                                                  Technical Docs (2)

                                                                                                  Technical Data Sheet EN

                                                                                                  Product Change Notice EN

                                                                                                  Alternatives for RXEF030

                                                                                                  2 Products Found

                                                                                                  Associated Products

                                                                                                  1 Product Found

                                                                                                  Legislation and Environmental

                                                                                                  Country of Origin:
                                                                                                  Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                  China
                                                                                                  Country in which last significant manufacturing process was carried out
                                                                                                  Tariff No:85361010
                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:NLR
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Weight (kg):.000136
                                                                                                  Customer Service
                                                                                                  Sales +852 2268 9888
                                                                                                  Technical +852 2268 9878
                                                                                                  Live Agent
                                                                                                  Submit Feedback
                                                                                                  FAQs
                                                                                                  Quick Links
                                                                                                  Track my order
                                                                                                  Order History
                                                                                                  Return a Product
                                                                                                  Delivery Information
                                                                                                  Our Company
                                                                                                  About Us
                                                                                                  Quality Policy
                                                                                                  Careers
                                                                                                  Corporate Responsibility
                                                                                                  Social Media +

                                                                                                  Subscribe to become an exclusive element14 insider!

                                                                                                  LinkedIn
                                                                                                  Twitter
                                                                                                  Facebook
                                                                                                  Norton Secured
                                                                                                  Mark of Trust ANAB
                                                                                                  BSI 9001
                                                                                                  Visa
                                                                                                  Mastercard
                                                                                                  Trade Account
                                                                                                  Privacy Statement
                                                                                                  Legal and Copyright Notices
                                                                                                  Terms & Conditions
                                                                                                  Terms of Use for API
                                                                                                  Sitemap
                                                                                                  An Avnet Company© 2025 Premier Farnell Limited. All Rights Reserved.
                                                                                                  e絡盟 is a trading name of eluomeng Limited.
                                                                                                  Registered number: 559890 | Registered office: 21st Floor, Tower 2, Enterprise Square Five, 38 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.