component
BC856BDW
Public Made by Adomby adom
YFW Bipolar (BJT), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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BC856BDW
YFW · Bipolar (BJT) · SOT-363
BC856BDW from YFW, in a SOT-363. 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 | E1 | passive | Emitter of transistor TR1 (PNP); -VEBO max rating 5 V. |
| 2 | B1 | input | Base of transistor TR1; -VEBO 5 V, collector current -IC up to 100 mA. |
| 3 | C2 | passive | Collector of transistor TR1 per the datasheet's pin list (3. Collector); -VCEO 65 V for BC856DW, -IC 100 mA max. |
| 4 | E2 | passive | Emitter of transistor TR2 (PNP); -VEBO max rating 5 V. |
| 5 | B2 | input | Base of transistor TR2; -VEBO 5 V, collector current -IC up to 100 mA. |
| 6 | C1 | passive | Collector of transistor TR2 per the datasheet's pin list (6. Collector); -VCEO 65 V for BC856DW, -IC 100 mA max. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | SOT-363 |
| Category | Transistors/Thyristors |
| Pins | 6 |
CAD (KiCad official)
- Symbol:
BC856BDW - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
bc856bdw-etched.step/bc856bdw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bc856bdw.step/bc856bdw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: YFW datasheet (3 pp, sha256
5a09b6a70ac6193f, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(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).
# BC856BDW
**YFW** · Bipolar (BJT) · SOT-363
BC856BDW from YFW, in a SOT-363. 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 | E1 | passive | Emitter of transistor TR1 (PNP); -VEBO max rating 5 V. |
| 2 | B1 | input | Base of transistor TR1; -VEBO 5 V, collector current -IC up to 100 mA. |
| 3 | C2 | passive | Collector of transistor TR1 per the datasheet's pin list (3. Collector); -VCEO 65 V for BC856DW, -IC 100 mA max. |
| 4 | E2 | passive | Emitter of transistor TR2 (PNP); -VEBO max rating 5 V. |
| 5 | B2 | input | Base of transistor TR2; -VEBO 5 V, collector current -IC up to 100 mA. |
| 6 | C1 | passive | Collector of transistor TR2 per the datasheet's pin list (6. Collector); -VCEO 65 V for BC856DW, -IC 100 mA max. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | YFW |
| Package | SOT-363 |
| Category | Transistors/Thyristors |
| Pins | 6 |
## CAD (KiCad official)
- Symbol: `BC856BDW`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `bc856bdw-etched.step` / `bc856bdw-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bc856bdw.step` / `bc856bdw.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [YFW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603346071888547840) (3 pp, sha256 `5a09b6a70ac6193f`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-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).
[Datasheet PDF](docs/bc856bdw-datasheet.pdf)