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                                                                                                  1. Home
                                                                                                  2. Semiconductors - Discretes
                                                                                                  3. Transistors
                                                                                                  4. Bipolar Transistors
                                                                                                  5. Single Bipolar Junction Transistors - BJT
                                                                                                  Print Page

                                                                                                  FMMT618

                                                                                                  Bipolar (BJT) Single Transistor, NPN, 20 V, 2.5 A, 625 mW, SOT-23, Surface Mount

                                                                                                  Date/Lot Code

                                                                                                  DIODES INC.
                                                                                                  DIODES INC. FMMT618
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerDIODES INC.
                                                                                                  Manufacturer Part NoFMMT618
                                                                                                  Newark Part No.
                                                                                                  Full Reel86AK5035
                                                                                                  Re-Reel96K9967
                                                                                                  Cut Tape96K9967
                                                                                                  Your Part Number
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  1,855 In Stock

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                                                                                                  Delivery in 2-4 Business Days(UK stock)
                                                                                                  Order before 9pm EST standard shipping
                                                                                                  Packaging Options
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                                                                                                  QuantityPrice
                                                                                                  1+$0.662
                                                                                                  10+$0.554
                                                                                                  25+$0.498
                                                                                                  50+$0.450
                                                                                                  100+$0.397
                                                                                                  Full Reel
                                                                                                  QuantityPrice
                                                                                                  3000+$0.284
                                                                                                  6000+$0.267
                                                                                                  12000+$0.253
                                                                                                  18000+$0.241
                                                                                                  30000+$0.234
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                                                                                                  Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                  Product Information

                                                                                                  DIODES INC.
                                                                                                  ManufacturerDIODES INC.
                                                                                                  Manufacturer Part NoFMMT618
                                                                                                  Newark Part No.
                                                                                                  Full Reel86AK5035
                                                                                                  Re-Reel96K9967
                                                                                                  Cut Tape96K9967
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  Transistor PolarityNPN
                                                                                                  Collector Emitter Voltage Max20V
                                                                                                  Collector Emitter Voltage V(br)ceo20V
                                                                                                  Continuous Collector Current2.5A
                                                                                                  Power Dissipation625mW
                                                                                                  Power Dissipation Pd625mW
                                                                                                  DC Collector Current2.5A
                                                                                                  Transistor Case StyleSOT-23
                                                                                                  Transistor MountingSurface Mount
                                                                                                  DC Current Gain hFE450hFE
                                                                                                  No. of Pins3Pins
                                                                                                  Transition Frequency140MHz
                                                                                                  DC Current Gain hFE Min450hFE
                                                                                                  Operating Temperature Max150°C
                                                                                                  Product Range-
                                                                                                  Qualification-
                                                                                                  MSLMSL 1 - Unlimited
                                                                                                  SVHCNo SVHC (25-Jun-2025)

                                                                                                  Product Overview

                                                                                                  The FMMT618 is a NPN silicon power switching Bipolar Transistor offers 625mW power dissipation and extremely low saturation voltage.

                                                                                                  • 12A Peak pulse current
                                                                                                  • Excellent hFE characteristics up to 12A
                                                                                                  • Extremely low equivalent on resistance
                                                                                                  • PNP complement is FMMT717
                                                                                                  • -55 to 150°C Operating temperature range

                                                                                                  Applications

                                                                                                  Power Management, Industrial

                                                                                                  Technical Specifications

                                                                                                  Transistor Polarity

                                                                                                  NPN

                                                                                                  Collector Emitter Voltage V(br)ceo

                                                                                                  20V

                                                                                                  Power Dissipation

                                                                                                  625mW

                                                                                                  DC Collector Current

                                                                                                  2.5A

                                                                                                  Transistor Mounting

                                                                                                  Surface Mount

                                                                                                  No. of Pins

                                                                                                  3Pins

                                                                                                  DC Current Gain hFE Min

                                                                                                  450hFE

                                                                                                  Product Range

                                                                                                  -

                                                                                                  MSL

                                                                                                  MSL 1 - Unlimited

                                                                                                  Collector Emitter Voltage Max

                                                                                                  20V

                                                                                                  Continuous Collector Current

                                                                                                  2.5A

                                                                                                  Power Dissipation Pd

                                                                                                  625mW

                                                                                                  Transistor Case Style

                                                                                                  SOT-23

                                                                                                  DC Current Gain hFE

                                                                                                  450hFE

                                                                                                  Transition Frequency

                                                                                                  140MHz

                                                                                                  Operating Temperature Max

                                                                                                  150°C

                                                                                                  Qualification

                                                                                                  -

                                                                                                  SVHC

                                                                                                  No SVHC (25-Jun-2025)

                                                                                                  Technical Docs (3)

                                                                                                  Application Note EN

                                                                                                  Technical Data Sheet EN

                                                                                                  Simulation Model EN

                                                                                                  Alternatives for FMMT618

                                                                                                  1 Product Found

                                                                                                  Associated Products

                                                                                                  2 Products Found

                                                                                                  Legislation and Environmental

                                                                                                  US ECCN:EAR99
                                                                                                  EU ECCN:Unknown
                                                                                                  RoHS Compliant:Yes

                                                                                                  RoHS

                                                                                                  RoHS Phthalates Compliant:Yes

                                                                                                  RoHS

                                                                                                  SVHC:No SVHC (25-Jun-2025)
                                                                                                  Download Product Compliance Certificate

                                                                                                  Product Compliance Certificate

                                                                                                  Product traceability

                                                                                                  Date/Lot Code

                                                                                                  Customer Service
                                                                                                  I Need Help
                                                                                                  Sales 01.800.463.9275
                                                                                                  Technical 01.800.463.9275
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