component
BC847B
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Guangdong Hottech Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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BC847B
Guangdong Hottech · Bipolar (BJT) · SOT-23
BC847B from Guangdong Hottech, 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 | B | input | Base - NPN control terminal; DC current gain hFE 200-450 (BC847B) at VCE=5V, IC=2mA; base-emitter saturation voltage VBE(sat) max 1.1V at IC=100mA, IB=5mA. |
| 2 | E | passive | Emitter - NPN emitter terminal; emitter-base breakdown voltage VEBO=6V; emitter cut-off current IEBO max 0.1µA at VEB=5V, IC=0. |
| 3 | C | passive | Collector - NPN collector terminal; max collector current IC=100mA, collector-emitter breakdown voltage V(BR)CEO=45V, collector-emitter saturation voltage VCE(sat) max 0.5V at IC=100mA, IB=5mA, max power dissipation PC=200mW. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Guangdong Hottech |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
BC847B - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
bc847b-etched.step/bc847b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bc847b.step/bc847b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Guangdong Hottech datasheet (4 pp, sha256
11fee808a1df2158, retrieved 2026-09-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-sonnet-4-6(text+vision), consensusclaude-opus-4-7(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).
# BC847B
**Guangdong Hottech** · Bipolar (BJT) · SOT-23
BC847B from Guangdong Hottech, 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 | B | input | Base - NPN control terminal; DC current gain hFE 200-450 (BC847B) at VCE=5V, IC=2mA; base-emitter saturation voltage VBE(sat) max 1.1V at IC=100mA, IB=5mA. |
| 2 | E | passive | Emitter - NPN emitter terminal; emitter-base breakdown voltage VEBO=6V; emitter cut-off current IEBO max 0.1µA at VEB=5V, IC=0. |
| 3 | C | passive | Collector - NPN collector terminal; max collector current IC=100mA, collector-emitter breakdown voltage V(BR)CEO=45V, collector-emitter saturation voltage VCE(sat) max 0.5V at IC=100mA, IB=5mA, max power dissipation PC=200mW. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Guangdong Hottech |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |
## CAD (KiCad official)
- Symbol: `BC847B`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `bc847b-etched.step` / `bc847b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bc847b.step` / `bc847b.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Guangdong Hottech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905238178222080) (4 pp, sha256 `11fee808a1df2158`, retrieved 2026-09-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (text+vision), consensus `claude-opus-4-7` (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/bc847b-datasheet.pdf)