component
TMBT3904
Public Made by Adomby adom
TOSHIBA Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, 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
markdownTMBT3904
TOSHIBA · Bipolar (BJT) · SOT-23
TMBT3904 from TOSHIBA, 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 | Base | input | Base terminal of the NPN transistor, with base current IB rated to 30 mA maximum in the absolute maximum ratings. |
| 2 | Emitter | passive | Emitter terminal of the NPN transistor, with emitter-base voltage VEBO rated to 5 V maximum. |
| 3 | Collector | passive | Collector terminal of the NPN transistor, with collector-emitter voltage VCEO rated to 50 V and collector current IC rated to 150 mA maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TOSHIBA |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
TMBT3904 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
tmbt3904-etched.step/tmbt3904-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tmbt3904.step/tmbt3904.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TOSHIBA datasheet (5 pp, sha256
e9e449e9e2d1ddad, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).