# BC847CLT1G

**onsemi** · Bipolar (BJT) · SOT-23

BC847CLT1G 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 | Bipolar junction transistor base terminal; accepts base current to control collector current with maximum Emitter-Base breakdown voltage of 6.0 V. |
| 2 | EMITTER | output | Bipolar junction transistor emitter terminal; current return path with maximum Base-Emitter saturation voltage of 0.9 V at IC = 100 mA, IB = 5.0 mA. |
| 3 | COLLECTOR | output | Bipolar junction transistor collector terminal; carries modulated collector current up to 100 mA continuous with maximum Collector-Emitter voltage of 45 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `BC847CLT1G`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `bc847clt1g-etched.step` / `bc847clt1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bc847clt1g.step` / `bc847clt1g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8564047036254752768) (13 pp, sha256 `a01affdde0271e35`, retrieved 2026-09-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-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).

[Datasheet PDF](docs/bc847clt1g-datasheet.pdf)