component
KSA931
Public Made by Adomby adom
Changjing Bipolar (BJT), TO-92L. 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
markdownKSA931
Changjing · Bipolar (BJT) · TO-92L
KSA931 from Changjing, in a TO-92L. 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 | EMITTER | passive | Emitter terminal of the PNP transistor, with emitter-base voltage VEBO limited to -8 V. |
| 2 | COLLECTOR | passive | Collector terminal, rated for VCBO -80 V, VCEO -60 V, continuous collector current IC -0.7 A and collector power dissipation PC 1 W. |
| 3 | BASE | passive | Base terminal, driven at IB -50 mA for saturation at IC -500 mA (β=10), giving VCE(sat) of -0.7 V and VBE(sat) of -1.2 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | TO-92L |
| 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-Base Voltage | VCBO | -80 | V | 1 | |||
| Collector-Emitter Voltage | VCEO | -60 | V | 1 | |||
| Emitter-Base Voltage | VEBO | -8 | V | 1 | |||
| Collector Current -Continuous | IC | -0.7 | A | 1 | |||
| Collector Power Dissipation | PC | 1 | W | 1 | |||
| Operation Junction and Storage Temperature Range | TJ,Tstg | -55 | 150 | ℃ | 1 | ||
| Collector-base breakdown voltage | V(BR)CBO | -80 | V | IC= -100μA, IE=0 | 1 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | -60 | V | IC= -10mA , IB=0 | 1 | ||
| Emitter-base breakdown voltage | V(BR)EBO | -8 | V | IE= -100μA, IC=0 | 1 | ||
| Collector cut-off current | ICBO | -0.1 | μA | VCB= -60 V, IE=0 | 1 | ||
| Emitter cut-off current | IEBO | -0.1 | μA | VEB= -5V, IC=0 | 1 | ||
| DC current gain | hFE | 40 | 320 | VCE=-2 V, IC= -50mA | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | -0.7 | V | IC= -500mA, IB= -50mA | 1 | ||
| Base-emitter saturation voltage | VBE(sat) | -1.2 | V | IC= -500mA, IB= -50mA | 1 | ||
| Transition frequency | fT | 100 | MHz | VCE= -10 V, IC= -50mA | 1 | ||
| Collector output capacitance | Cob | 13 | pF | VCB=-10V,IE=0,f=1MHz | 1 |
CAD (KiCad official)
- Symbol:
KSA931 - Footprint:
Package_TO_SOT_THT:TO-92 - 3D model: TO-92L (KiCad packages3D, STEP)
- 3D model files:
ksa931-etched.step/ksa931-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ksa931.step/ksa931.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
5ef9ca018b595206, retrieved 2026-10-18, 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).