component
A94
Public Made by Adomby adom
Changjiang Electronics Tech (CJ) Bipolar Transistors - BJT, SOT-89-3L. 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
markdownA94
Changjiang Electronics Tech (CJ) · Bipolar Transistors - BJT · SOT-89-3L
A94 from Changjiang Electronics Tech (CJ), in a SOT-89-3L. 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 | passive | Base terminal of the A94 PNP transistor; the emitter-base breakdown voltage V(BR)EBO is -5 V at IE=-100μA with IC=0. |
| 2 | COLLECTOR | passive | Collector terminal of the A94 PNP transistor, rated for VCBO and VCEO of -400 V, continuous collector current of -0.2 A and pulsed collector current of -0.3 A. |
| 3 | EMITTER | passive | Emitter terminal of the A94 PNP transistor; the emitter-base breakdown voltage V(BR)EBO is -5 V at IE=-100μA with IC=0. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjiang Electronics Tech (CJ) |
| Package | SOT-89-3L |
| Category | Transistors |
| 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 breakdown voltage | V(BR)CBO | -400 | V | IC= -100μA, IE=0 | 1 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | -400 | V | IC= -1mA, IB=0 | 1 | ||
| Emitter-base breakdown voltage | V(BR)EBO | -5 | V | IE=-100μA, IC=0 | 1 | ||
| DC current gain hFE(1) | hFE(1) | 80 | 300 | VCE=-10V, IC=-10mA | 1 | ||
| DC current gain hFE(2) | hFE(2) | 70 | VCE=-10V, IC=-1mA | 1 | |||
| DC current gain hFE(3) | hFE(3) | 60 | VCE=-10V, IC=-100mA | 1 | |||
| DC current gain hFE(4) | hFE(4) | 80 | VCE=-10V, IC=-50mA | 1 | |||
| Collector cut-off current | ICBO | -0.1 | μA | VCB=-400V, IE=0 | 1 | ||
| Collector cut-off current | ICEO | -5 | μA | VCE=-400V, IB=0 | 1 | ||
| Emitter cut-off current | IEBO | -0.1 | μA | VEB= -4V, IC=0 | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | -0.2 | V | IC=-10mA, IB=-1mA | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | -0.3 | V | IC=-50mA, IB=-5mA | 1 | ||
| Base-emitter saturation voltage | VBE(sat) | -0.75 | V | IC=-10mA, IB= -1mA | 1 | ||
| Transition frequency | fT | 50 | MHz | VCE=-20V, IC=-10mA, f=30MHz | 1 | ||
| Collector-base voltage | VCBO | -400 | V | 1 | |||
| Collector-emitter voltage | VCEO | -400 | V | 1 | |||
| Emitter-base voltage | VEBO | -5 | V | 1 | |||
| Collector current, continuous | IC | -0.2 | A | Continuous | 1 | ||
| Collector current, pulsed | ICM | -0.3 | A | Pulsed | 1 | ||
| Collector power dissipation | PC | 0.5 | W | 1 | |||
| Junction temperature | TJ | 150 | ℃ | 1 | |||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
A94 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files:
a94-etched.step/a94-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);a94.step/a94.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjiang Electronics Tech (CJ) datasheet (2 pp, sha256
f6891cdf3aff51b7, retrieved 2026-11-05, 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).