Reduced PriceOffersContact UsHelpTrack Orders
Home
Login
Register
My Account
0
0 ItemsHK$0.00
  • All Products
    • Manufacturers
    • Popular Manufacturers
      ANALOG DEVICES
      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
        • eTechJournal
        • 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
                                                            • eTechJournal
                                                              • 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. Semiconductors - Discretes
                                                                                                    3. Transistors
                                                                                                    4. Darlington Transistors
                                                                                                    Print Page

                                                                                                    BU931P

                                                                                                    Darlington Transistor, Darlington, NPN, 400 V, 135 W, 15 A, SOT-93, 3 Pins

                                                                                                    STMICROELECTRONICS BU931P
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    ManufacturerSTMICROELECTRONICS
                                                                                                    Manufacturer Part NoBU931P
                                                                                                    Order Code1084494
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    58,567 In Stock

                                                                                                    30 more incoming. You can reserve stock now

                                                                                                    22372 Delivery in 1-2 Business Days(SG stock)
                                                                                                    36195 Delivery in 3-4 Business Days(UK stock)
                                                                                                    QuantityPrice
                                                                                                    1+HK$39.670
                                                                                                    10+HK$26.250
                                                                                                    100+HK$20.550
                                                                                                    500+HK$16.460
                                                                                                    1000+HK$15.900
                                                                                                    2000+HK$15.580
                                                                                                    Price for:Each
                                                                                                    Minimum: 1
                                                                                                    Multiple: 1
                                                                                                    HK$39.67
                                                                                                    Add Part No. / Line Note
                                                                                                    Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                                                                                                    This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                    Product Information

                                                                                                    ManufacturerSTMICROELECTRONICS
                                                                                                    Manufacturer Part NoBU931P
                                                                                                    Order Code1084494
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Transistor PolarityNPN
                                                                                                    Collector Emitter Voltage V(br)ceo400V
                                                                                                    Power Dissipation Pd135W
                                                                                                    DC Collector Current15A
                                                                                                    RF Transistor CaseSOT-93
                                                                                                    No. of Pins3Pins
                                                                                                    DC Current Gain hFE300hFE
                                                                                                    Transistor MountingThrough Hole
                                                                                                    Operating Temperature Max175°C
                                                                                                    Product Range-
                                                                                                    QualificationAEC-Q101
                                                                                                    SVHCLead (21-Jan-2025)

                                                                                                    Product Overview

                                                                                                    The BU931P is a 400V High Voltage Ignition Coil Driver NPN Power Darlington Transistor manufactured using Multiepitaxial planar technology. The transistor properly designed to be used in automotive environment as electronic ignition power actuators. Fast switching times and very low saturation voltage resulting in reduced switching and conduction losses.

                                                                                                    • Very rugged bipolar technology
                                                                                                    • High operating junction temperature
                                                                                                    • Well-controlled hFE parameter for increased reliability

                                                                                                    Applications

                                                                                                    Power Management, Automotive

                                                                                                    Warnings

                                                                                                    Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

                                                                                                    Technical Specifications

                                                                                                    Transistor Polarity

                                                                                                    NPN

                                                                                                    Power Dissipation Pd

                                                                                                    135W

                                                                                                    RF Transistor Case

                                                                                                    SOT-93

                                                                                                    DC Current Gain hFE

                                                                                                    300hFE

                                                                                                    Operating Temperature Max

                                                                                                    175°C

                                                                                                    Qualification

                                                                                                    AEC-Q101

                                                                                                    Collector Emitter Voltage V(br)ceo

                                                                                                    400V

                                                                                                    DC Collector Current

                                                                                                    15A

                                                                                                    No. of Pins

                                                                                                    3Pins

                                                                                                    Transistor Mounting

                                                                                                    Through Hole

                                                                                                    Product Range

                                                                                                    -

                                                                                                    SVHC

                                                                                                    Lead (21-Jan-2025)

                                                                                                    Technical Docs (3)

                                                                                                    Product Change Notice EN

                                                                                                    Technical Data Sheet EN

                                                                                                    EOL Notices EN

                                                                                                    Associated Products

                                                                                                    3 Products 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:85412900
                                                                                                    US ECCN:EAR99
                                                                                                    EU ECCN:NLR
                                                                                                    RoHS Compliant:Y-Ex

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:Lead (21-Jan-2025)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Weight (kg):.01202
                                                                                                    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
                                                                                                    ESG
                                                                                                    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.