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FMMT597TA

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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FMMT597TA

Diodes Incorporated · Bipolar (BJT) · SOT-23

FMMT597TA 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; drive terminal of the PNP transistor, with base current rated to -200 mA and VEBO of -7 V.
2 E passive Emitter of the PNP transistor; the datasheet gives VEBO of -7 V maximum and IC of -0.2 A continuous.
3 C passive Collector (single lead on one side of the package); VCEO and VCBO are -300 V, IC is -0.2 A continuous and ICM is -1 A 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 Voltage VCBO -300 V 2
Collector-Emitter Voltage VCEO -300 V 2
Emitter-Base Voltage VEBO -7 V 2
Continuous Collector Current IC -0.2 A 2
Peak Pulse Current ICM -1 A 2
Base Current IB -200 mA 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 500 mW Note 5: 15mm x 15mm 1oz copper FR4 PCB, still air, steady state 2
Thermal Resistance, Junction to Ambient RθJA 250 °C/W Note 5: 15mm x 15mm 1oz copper FR4 PCB, still air, steady state 2
Thermal Resistance, Junction to Lead RθJL 197 °C/W Note 6: junction to solder point at end of collector lead 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Collector-Base Breakdown Voltage BVCBO -300 V IC = -100µA 4
Collector-Emitter Breakdown Voltage BVCEO -300 V IC = -10mA 4
Emitter-Base Breakdown Voltage BVEBO -7 -8.1 V IE = -100µA 4
Collector-Base Cut-Off Current ICBO -100 nA VCB = -250V 4
Emitter-Base Cut-Off Current IEBO -100 nA VEB = -4V 4
Collector-Emitter Cut-Off Current ICES -100 nA VCE = -250V 4
Static Forward Current Transfer Ratio hFE 100 IC = -1mA, VCE = -10V 4
Collector-Emitter Saturation Voltage VCE(SAT) -250 mV IC = -50mA, IB = -5mA 4
Base-Emitter Saturation Voltage VBE(SAT) -1000 mV IC = -100mA, IB = -20mA 4
Base-Emitter Turn-On Voltage VBE(ON) -850 mV IC = -100mA, VCE = -10V 4
Transition Frequency fT 75 MHz VCE = -10V, IC = -50mA, f = 100MHz 4
Output Capacitance Cobo 10 pF VCB = -10V, f = 1MHz 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 1

CAD (KiCad official)

  • Symbol: FMMT597TA
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: fmmt597ta-etched.step / fmmt597ta-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fmmt597ta.step / fmmt597ta.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 63ea0fd460c9e2f7, 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