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FMMT720TA

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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FMMT720TA

Diodes Incorporated · Bipolar (BJT) · SOT-23

FMMT720TA 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 input Base of the PNP transistor; drive current into this pin sets the collector current (IB max -500mA, VEBO -7V).
2 E passive Emitter of the PNP transistor; emitter-base voltage is limited to -7V (VEBO).
3 C passive Collector of the PNP transistor (single lead on one side of the package); VCEO -40V, IC -1.5A continuous, ICM -4A peak.

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 Breakdown Voltage BVCBO -40 -95 V IC = -100µA 4
Collector-Emitter Breakdown Voltage BVCEO -40 -85 V IC = -10mA 4
Emitter-Base Breakdown Voltage BVEBO -7 -8.8 V IE = -100µA 4
Collector Cutoff Current ICBO -100 nA VCB = -35V 4
Emitter Cutoff Current IEBO -100 nA VEB = -5.6V 4
Collector Emitter Cutoff Current ICES -100 nA VCE = -35V 4
Static Forward Current Transfer Ratio hFE 300 480 IC = -10mA, VCE = -2V 4
Static Forward Current Transfer Ratio hFE 300 450 IC = -0.1A, VCE = -2V 4
Static Forward Current Transfer Ratio hFE 180 290 IC = -1A, VCE = -2V 4
Static Forward Current Transfer Ratio hFE 60 130 IC = -1.5A, VCE = -2V 4
Static Forward Current Transfer Ratio hFE 12 22 IC = -3A, VCE = -2V 4
Collector-Emitter Saturation Voltage VCE(sat) -26 -40 mV IC = -0.1A, IB = -10mA 4
Collector-Emitter Saturation Voltage VCE(sat) -150 -220 mV IC = -1A, IB = -50mA 4
Collector-Emitter Saturation Voltage VCE(sat) -245 -330 mV IC = -1.5A, IB = -100mA 4
Base-Emitter Turn-On Voltage VBE(on) -0.8 -1 V IC = -1.5A, VCE = -2V 4
Base-Emitter Saturation Voltage VBE(sat) -0.89 -1 V IC = -1.5A, IB = -75mA 4
Output Capacitance Cobo 19 25 pF VCB = -10V, f = 1MHz 4
Transition Frequency fT 150 180 MHz VCE = -10V, IC = -50mA, f = 100MHz 4
Collector-Base Voltage VCBO -40 V 2
Collector-Emitter Voltage VCEO -40 V 2
Emitter-Base Voltage VEBO -7 V 2
Continuous Collector Current IC -1.5 A 2
Peak Pulse Current ICM -4 A 2
Base Current IB -500 mA 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Electrostatic Discharge - Human Body Model ESD HBM 4000 V JEDEC Class 3A 2
Electrostatic Discharge - Machine Model ESD MM 400 V JEDEC Class C 2
Power Dissipation PD 625 mW Note 6: surface mounted on 25mm X 25mm FR4 PCB, steady state, still air 2
Power Dissipation PD 806 mW Note 7: same as Note 6, t ≤ 5 sec 2
Thermal Resistance, Junction to Ambient RθJA 200 °C/W Note 6: surface mounted on 25mm X 25mm FR4 PCB, steady state, still air 2
Thermal Resistance, Junction to Ambient RθJA 155 °C/W Note 7: same as Note 6, t ≤ 5 sec 2
Thermal Resistance, Junction to Leads RθJL 194 °C/W Note 8: junction to solder point at end of collector lead 2

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 1

CAD (KiCad official)

  • Symbol: FMMT720TA
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: fmmt720ta-etched.step / fmmt720ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fmmt720ta.step / fmmt720ta.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 e60a95ea883aaf04, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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