component
MMBT3904LT3G
Public Made by Adomby adom
onsemi 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
markdownMMBT3904LT3G
onsemi · Bipolar (BJT) · SOT-23
MMBT3904LT3G from onsemi, 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 | Base terminal for NPN transistor control; maximum emitter-base voltage 6.0 Vdc with maximum base cutoff current of 50 nAdc. |
| 2 | EMITTER | passive | Emitter terminal of NPN transistor; maximum emitter-base voltage 6.0 Vdc. |
| 3 | COLLECTOR | passive | Collector terminal of NPN transistor; maximum continuous collector current 200 mAdc, maximum collector-emitter voltage 40 Vdc, and maximum collector current peak of 900 mAdc. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
MMBT3904LT3G - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
mmbt3904lt3g-etched.step/mmbt3904lt3g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmbt3904lt3g.step/mmbt3904lt3g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (7 pp, sha256
7811efe248ad1748, retrieved 2026-09-23, 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).