component
BC3134K
Public Made by Adomby adom
CBI MOSFETs, 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
markdownBC3134K
CBI · MOSFETs · SOT-23
BC3134K from CBI, 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 | GATE | input | Gate terminal; threshold VGS(th) 0.35 to 1.1 V at VDS=VGS, ID=250µA, with VGS maximum ±12 V. |
| 2 | SOURCE | passive | Source terminal of the N-channel MOSFET; continuous drain current up to 0.75 A. |
| 3 | DRAIN | passive | Drain terminal; drain-source voltage rated 20 V, continuous drain current 0.75 A and pulsed 1.8 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | CBI |
| 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 |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS | 20 | V | 1 | |||
| Typical Gate-Source Voltage | VGS | -12 | 12 | V | 1 | ||
| Continuous Drain Current | ID | 0.75 | A | note 1 | 1 | ||
| Pulsed Drain Current | IDM | 1.8 | A | tp=10μs | 1 | ||
| Power Dissipation | PD | 350 | mW | note 1 | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 357 | ℃/W | note 1 | 1 | ||
| Operation Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Lead Temperature for Soldering Purposes | TL | 260 | ℃ | 1/8in duration for 10 s | 1 | ||
| Gate-body leakage current | IGSS | -20 | 20 | µA | VGS=±10V, VDS=0V | 2 | |
| Gate threshold voltage | VGS(th) | 0.35 | 0.54 | 1.1 | V | VDS=VGS, ID=250µA | 2 |
| Drain-source on-resistance | RDS(on) | 270 | 380 | mΩ | VGS=4.5V, ID=0.65A | 2 | |
| Drain-source on-resistance | RDS(on) | 320 | 450 | mΩ | VGS=2.5V, ID=0.55A | 2 | |
| Drain-source on-resistance | RDS(on) | 390 | 800 | mΩ | VGS=1.8V, ID=0.45A | 2 |
CAD (KiCad official)
- Symbol:
BC3134K - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
bc3134k-etched.step/bc3134k-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bc3134k.step/bc3134k.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: CBI datasheet (4 pp, sha256
5a1c74a174fa6c20, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).