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
        • 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.
          • Bill of Materials (BOM) Upload
            • Tools
            • Quick Buy
              Parts List (BOM) Upload
              Request a Quote
              All Buying Tools
              • Offers
                • Contact Us
                  • Help
                    • Reduced Price
                      1. Home
                      2. Cooling & Thermal Management
                      3. Heat Sinks
                      4. Natural Convection Heat Sinks

                      FK 243 Series Natural Convection Heat Sinks:

                      15 Products Found
                      View
                      Buyer
                      Engineer
                      Manufacturer
                      Thermal Resistance
                      Packages Cooled
                      External Width - Metric
                      External Height - Metric
                      External Length - Metric
                      Heat Sink Material
                      External Width - Imperial
                      External Height - Imperial
                      External Length - Imperial
                      Product Range
                      Packaging
                      Filter(s) Applied
                      1 Filter(s) Selected
                      ComparePrice ForQuantity
                      FK 243 MI 247 O SIP
                      FISCHER ELEKTRONIK FK 243 MI 247 O SIP
                      4573372

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. SIP
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.800
                      10+
                      HK$9.450
                      25+
                      HK$9.270
                      50+
                      HK$9.250
                      Min: 1 / Mult: 1
                      18.4K/W
                      SIP
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 H TO 248
                      FISCHER ELEKTRONIK FK 243 MI 247 H TO 248
                      4573371

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 19 K/W
                      3. TO-248
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      19K/W
                      TO-248
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 V TO 248
                      FISCHER ELEKTRONIK FK 243 MI 247 V TO 248
                      4573382

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-248
                      4. 20 mm
                      5. 13 mm
                      6. 32 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-248
                      20mm
                      13mm
                      32mm
                      Copper
                      0.79"
                      0.51"
                      1.26"
                      FK 243 Series
                      FK 243 MI 247 V TO 218
                      FISCHER ELEKTRONIK FK 243 MI 247 V TO 218
                      4573379

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-218
                      4. 20 mm
                      5. 13 mm
                      6. 32 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-218
                      20mm
                      13mm
                      32mm
                      Copper
                      0.79"
                      0.51"
                      1.26"
                      FK 243 Series
                      FK 243 MI 247 O TO 220
                      FISCHER ELEKTRONIK FK 243 MI 247 O TO 220
                      4573374

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-220
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.800
                      10+
                      HK$9.450
                      25+
                      HK$9.270
                      50+
                      HK$9.250
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-220
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 H SIP
                      FISCHER ELEKTRONIK FK 243 MI 247 H SIP
                      4573367

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 19 K/W
                      3. SIP
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      19K/W
                      SIP
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 H TO 220
                      FISCHER ELEKTRONIK FK 243 MI 247 H TO 220
                      4573369

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 19 K/W
                      3. TO-220
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      19K/W
                      TO-220
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 V TO 247
                      FISCHER ELEKTRONIK FK 243 MI 247 V TO 247
                      4573381

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-247
                      4. 20 mm
                      5. 13 mm
                      6. 32 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-247
                      20mm
                      13mm
                      32mm
                      Copper
                      0.79"
                      0.51"
                      1.26"
                      FK 243 Series
                      FK 243 MI 247 O TO 247
                      FISCHER ELEKTRONIK FK 243 MI 247 O TO 247
                      4573375

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-247
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.800
                      10+
                      HK$9.450
                      25+
                      HK$9.270
                      50+
                      HK$9.250
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-247
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 H TO 247
                      FISCHER ELEKTRONIK FK 243 MI 247 H TO 247
                      4573370

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 19 K/W
                      3. TO-247
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      19K/W
                      TO-247
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 O TO 248
                      FISCHER ELEKTRONIK FK 243 MI 247 O TO 248
                      4573376

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-248
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.800
                      10+
                      HK$9.450
                      25+
                      HK$9.270
                      50+
                      HK$9.250
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-248
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 O TO 218
                      FISCHER ELEKTRONIK FK 243 MI 247 O TO 218
                      4573373

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-218
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$10.800
                      10+
                      HK$9.450
                      25+
                      HK$9.270
                      50+
                      HK$9.250
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-218
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 V TO 220
                      FISCHER ELEKTRONIK FK 243 MI 247 V TO 220
                      4573380

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. TO-220
                      4. 20 mm
                      5. 13 mm
                      6. 32 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      18.4K/W
                      TO-220
                      20mm
                      13mm
                      32mm
                      Copper
                      0.79"
                      0.51"
                      1.26"
                      FK 243 Series
                      FK 243 MI 247 H TO 218
                      FISCHER ELEKTRONIK FK 243 MI 247 H TO 218
                      4573368

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 19 K/W
                      3. TO-218
                      4. 20 mm
                      5. 13 mm
                      6. 27 mm
                      Each
                      1+
                      HK$11.080
                      10+
                      HK$9.690
                      25+
                      HK$9.500
                      50+
                      HK$9.310
                      100+
                      HK$9.110
                      Min: 1 / Mult: 1
                      19K/W
                      TO-218
                      20mm
                      13mm
                      27mm
                      Copper
                      0.79"
                      0.51"
                      1.06"
                      FK 243 Series
                      FK 243 MI 247 V SIP
                      FISCHER ELEKTRONIK FK 243 MI 247 V SIP
                      4573378

                      Data Sheet

                      RoHS

                      FISCHER ELEKTRONIK
                      1. Heat Sink
                      2. 18.4 K/W
                      3. SIP
                      4. 20 mm
                      5. 13 mm
                      6. 32 mm
                      Each
                      1+
                      HK$10.990
                      10+
                      HK$9.610
                      25+
                      HK$9.420
                      50+
                      HK$9.230
                      100+
                      HK$9.040
                      Min: 1 / Mult: 1
                      18.4K/W
                      SIP
                      20mm
                      13mm
                      32mm
                      Copper
                      0.79"
                      0.51"
                      1.26"
                      FK 243 Series
                      ComparePrice ForQuantity
                      1-15 of 15 items
                      of 1 page(s)
                      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.