component
FMMT634TA
Public Made by Adomby adom
Diodes Incorporated Darlington Transistors, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownFMMT634TA
Diodes Incorporated · Darlington Transistors · SOT-23
FMMT634TA from Diodes Incorporated, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Base | input | NPN Darlington transistor base input terminal with maximum Emitter-Base voltage (VEBO) of 12V. |
| 2 | Emitter | output | Emitter output terminal with emitter cut-off current (IEBO) less than 1-10nA at VEB=7V. |
| 3 | Collector | output | Collector output terminal rated for maximum Collector-Emitter voltage (VCEO) of 100V and maximum continuous collector current (IC) of 900mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
FMMT634TA - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
fmmt634ta-etched.step/fmmt634ta-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fmmt634ta.step/fmmt634ta.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (7 pp, sha256
5524a490fb544a37, retrieved 2026-09-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).