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FMMT6517TA

Public Made by Adom

by adom

Diodes Incorporated Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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FMMT6517TA

Diodes Incorporated · Bipolar (BJT) · SOT-23

FMMT6517TA from Diodes Incorporated, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 B passive Base terminal; the datasheet limits base current to 25 mA (IB) and emitter-base voltage to 7 V (VEBO).
2 E passive Emitter terminal; the datasheet limits emitter-base voltage to 7 V (VEBO) and the emitter-base breakdown to a minimum of 7 V at IE = 100µA.
3 C passive Collector terminal; the datasheet limits collector-emitter voltage to 350 V (VCEO) and collector current to 500 mA (IC).

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category Transistors/Thyristors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Collector-Base Voltage VCBO 350 V 2
Collector-Emitter Voltage VCEO 350 V 2
Emitter-Base Voltage VEBO 7 V 2
Base Current IB 25 mA 2
Collector Current IC 500 mA 2
Power Dissipation PD 310 mW Note 5: minimum recommended pad layout, 1oz Ccu, single-sided 1.6mm FR-4, still air 2
Power Dissipation PD 350 mW Note 6: 15mm x 15mm 1oz Cu pad 2
Thermal Resistance, Junction to Ambient RθJA 403 °C/W Note 5: minimum recommended pad layout, 1oz Cu, still air 2
Thermal Resistance, Junction to Ambient RθJA 357 °C/W Note 6: 15mm x 15mm 1oz Cu pad 2
Thermal Resistance, Junction to Leads RθJL 350 °C/W Note 7: junction to solder point at end of leads 2
Operating and Storage Temperature Range TJ,TSTG -55 150 °C 2
Electrostatic Discharge - Human Body Model ESD HBM 4000 V JEDEC Class 3A, Note 8 (JESD22-A114) 2
Electrostatic Discharge - Machine Model ESD MM 400 V JEDEC Class C, Note 8 (JESD22-A115) 2
Collector-Base Breakdown Voltage BVCBO 350 V IC = 100µA 4
Collector-Emitter Breakdown Voltage BVCEO 350 V IC = 1mA 4
Emitter-Base Breakdown Voltage BVEBO 7 V IE = 100µA 4
Collector Cutoff Current ICBO 50 nA VCB = 250V 4
Emitter Cutoff Current IEBO 50 nA VEB = 6V 4
Static Forward Current Transfer Ratio hFE 20 IC = 1mA, VCE = 10V 4
Static Forward Current Transfer Ratio hFE 30 IC = 10mA, VCE = 10V 4
Static Forward Current Transfer Ratio hFE 15 IC = 100mA, VCE = 10V 4
Collector-Emitter Saturation Voltage VCE(SAT) 0.3 V IC = 10mA, IB = 1mA 4
Collector-Emitter Saturation Voltage VCE(SAT) 0.35 V IC = 20mA, IB = 2mA 4
Collector-Emitter Saturation Voltage VCE(SAT) 0.5 V IC = 30mA, IB = 3mA 4
Collector-Emitter Saturation Voltage VCE(SAT) 1 V IC = 50mA, IB = 5mA 4
Base-Emitter Saturation Voltage VBE(SAT) 0.8 V IC = 10mA, IB = 1mA 4
Base-Emitter Saturation Voltage VBE(SAT) 0.85 V IC = 20mA, IB = 2mA 4
Base-Emitter Saturation Voltage VBE(SAT) 0.9 V IC = 30mA, IB = 3mA 4
Base-Emitter Turn-On Voltage VBE(ON) 2 V IC = 100mA, VCE = 10V 4
Output Capacitance COBO 6 pF VCB = 20V, f = 1MHz 4
Transition Frequency fT 50 MHz VCE = 20V, IC = 10mA, f = 20MHz 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminals: Finish - Matte Tin Plated Leads, Solderable per MIL￾STD-202, Method 208  Weight: 0.008 grams (Approximate) 1

CAD (KiCad official)

  • Symbol: FMMT6517TA
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: fmmt6517ta-etched.step / fmmt6517ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fmmt6517ta.step / fmmt6517ta.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 1574af8d2cc8bf1d, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF