component
BC856S
Public Made by Adomby adom
Changjing Bipolar (BJT), SOT-363. 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
markdownBC856S
Changjing · Bipolar (BJT) · SOT-363
BC856S from Changjing, 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 1 (PNP); emitter-base voltage rating -5 V. |
| 2 | B1 | passive | Base of transistor 1 (PNP). |
| 3 | C2 | passive | Collector of transistor 2 (PNP); max collector current -0.1 A continuous, collector-emitter voltage -65 V. |
| 4 | E2 | passive | Emitter of transistor 2 (PNP); emitter-base voltage rating -5 V. |
| 5 | B2 | passive | Base of transistor 2 (PNP). |
| 6 | C1 | passive | Collector of transistor 1 (PNP); max collector current -0.1 A continuous, collector-emitter voltage -65 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-363 |
| Category | Transistors/Thyristors |
| Pins | 6 |
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-base breakdown voltage | V(BR)CBO | -80 | V | IC=-10A,IE=0 | 1 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | -65 | V | IC=-10mA,IB=0 | 1 | ||
| Emitter-base breakdown voltage | V(BR)EBO | -5 | V | IE=-10A,IC=0 | 1 | ||
| Collector cut-off current | ICBO | -15 | nA | VCB=-30V,IE=0 | 1 | ||
| Emitter cut-off current | IEBO | -100 | nA | VEB=-5V,IC=0 | 1 | ||
| DC current gain | hFE | 110 | VCE=-5V,IC=-2mA | 1 | |||
| Collector-emitter saturation voltage | VCE(sat) | -0.1 | V | IC=-10mA, IB=-0.5mA | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | -0.3 | V | IC=-100mA, IB=-5mA | 1 | ||
| Base-emitter saturation voltage | VBE(sat) | 0.7 | V | IC=-10mA, IB=-0.5mA | 1 | ||
| Output capacitance | Cobo | 2.5 | pF | VCB=-10V, f=1MHz, IE=0 | 1 | ||
| Transition frequency | fT | 100 | MHz | VCE=-5V, IC=-10mA, f=100MHz | 1 | ||
| Collector-base voltage | -80 | V | 1 | ||||
| Collector-emitter voltage | -65 | V | 1 | ||||
| Emitter-base voltage | -5 | V | 1 | ||||
| Collector current, continuous | -0.1 | A | 1 | ||||
| Collector power dissipation | 0.2 | W | 1 | ||||
| Thermal resistance, junction to ambient | 625 | /W | 1 | ||||
| Operation junction and storage temperature range | TJ,TSTG | -55 | 150 | 1 |
CAD (KiCad official)
- Symbol:
BC856S - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
bc856s-etched.step/bc856s-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bc856s.step/bc856s.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
da6ea6297f0e76db, 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).