component
BCP52
Public Made by Adomby adom
Changjing Bipolar (BJT), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 16d ago |
| viewers | 16d ago |
| bcp52-etched.glb | 16d ago |
| bcp52-etched.step | 16d ago |
| bcp52-hero.glb | 16d ago |
| bcp52-hero.overlay.json | 16d ago |
| bcp52.glb | 16d ago |
| bcp52.kicad_mod | 16d ago |
| bcp52.kicad_sym | 16d ago |
| bcp52.lbr | 16d ago |
| bcp52.step | 16d ago |
| package.json | 16d ago |
| page.json | 16d ago |
| README.md | 16d ago |
BCP52
Changjing · Bipolar (BJT) · SOT-223
BCP52 from Changjing, in a SOT-223. 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 | BASE | input | Base terminal of the PNP transistor, with a continuous base current limit of -100 mA and a peak pulse base current limit of -200 mA. |
| 2 | COLLECTOR | passive | Collector terminal of the BCP52, rated for VCBO of -60 V, VCEO of -60 V, a continuous collector current of -1 A and a peak pulse collector current of -2 A. |
| 3 | EMITTER | passive | Emitter terminal of the BCP52, with an emitter-base voltage rating (VEBO) of -5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-223 |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-emitter voltage | VCEO | -60 | V | BCP52 column | 1 | ||
| Collector-base voltage | VCBO | -60 | V | BCP52 column | 1 | ||
| Emitter-base voltage | VEBO | -5 | V | 1 | |||
| Collector current continuous | IC | -1 | A | 1 | |||
| Peak pulse collector current | ICM | -2 | A | 1 | |||
| Base current continuous | IB | -100 | mA | 1 | |||
| Peak pulse base current | IBM | -200 | mA | 1 | |||
| Collector power dissipation | PC | 1.5 | W | 1 | |||
| Junction and storage temperature range | TJ,Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal resistance junction to ambient | RθJA | 94 | ℃/W | 1 | |||
| Collector-base breakdown voltage | V(BR)CBO | -60 | V | IC=-0.1mA, IE=0 (BCP52) | 1 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | -60 | V | IC=-10mA, IB=0 (BCP52) | 1 | ||
| Base-emitter breakdown voltage | V(BR)EBO | -5 | V | IE=-10μA, IC=0 | 1 | ||
| Collector cut-off current | ICBO | -100 | nA | VCB=-30 V, IE=0 | 1 | ||
| DC current gain hFE(1) | hFE(1) | 25 | VCE=-2V, IC=-5mA | 1 | |||
| DC current gain hFE(2) | hFE(2) | 63 | 250 | VCE=-2V, IC=-150mA | 1 | ||
| DC current gain hFE(3) | hFE(3) | 25 | VCE=-2V, IC=-500mA | 1 | |||
| Collector-emitter saturation voltage | VCE(sat) | -0.5 | V | IC=-500mA, IB=-50mA | 1 | ||
| Base-emitter voltage | VBE | -1 | V | VCE=-2V, IC=-500mA | 1 | ||
| Transition frequency | fT | 100 | MHz | VCE=-10V, IC=-50mA, f=100MHz | 1 |
CAD (KiCad official)
- Symbol:
BCP52 - Footprint:
Package_TO_SOT_SMD:SOT-223-3_TabPin2 - 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files:
bcp52-etched.step/bcp52-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bcp52.step/bcp52.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
7e883b2b2a4645e3, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).