component
2SB1424
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
markdown2SB1424
Changjiang Electronics Tech (CJ) · Bipolar Transistors - BJT · SOT-89-3L
2SB1424 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 | input | Base terminal of the PNP transistor; the datasheet specifies VCE(sat) at IC=-2A with IB=-0.1A and hFE at VCE=-2V, IC=-0.1A. |
| 2 | COLLECTOR | passive | Collector terminal of the PNP transistor; rated for VCBO -20V, VCEO -20V, and IC -3A continuous collector current, with PC 500mW at Ta=25℃. |
| 3 | EMITTER | passive | Emitter terminal of the PNP transistor; rated for VEBO -6V, with emitter cut-off current IEBO specified at VEB=-5V. |
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 | -20 | V | IC=-50µA,IE=0 | 1 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | -20 | V | IC=-1mA,IB=0 | 1 | ||
| Emitter-base breakdown voltage | V(BR)EBO | -6 | V | IE=-50µA,IC=0 | 1 | ||
| Collector cut-off current | ICBO | -0.1 | µA | VCB=-20V,IE=0 | 1 | ||
| Emitter cut-off current | IEBO | -0.1 | µA | VEB=-5V,IC=0 | 1 | ||
| DC current gain | hFE | 120 | 390 | VCE=-2V, IC=-0.1A | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | -0.5 | V | IC=-2A,IB=-0.1A | 1 | ||
| Collector output capacitance | Cob | 35 | pF | VCB=-10V,IE=0, f=1MHz | 1 | ||
| Transition frequency | fT | 240 | MHz | VCE=-2V,IC=-0.5A, f=100MHz | 1 | ||
| Collector-base voltage | VCBO | -20 | V | 1 | |||
| Collector-emitter voltage | VCEO | -20 | V | 1 | |||
| Emitter-base voltage | VEBO | -6 | V | 1 | |||
| Collector current | IC | -3 | A | 1 | |||
| Collector power dissipation | PC | 500 | mW | 1 | |||
| Junction temperature | Tj | 150 | ℃ | 1 | |||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal resistance from junction to ambient | RθJA | 250 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
2SB1424 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files:
2sb1424-etched.step/2sb1424-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);2sb1424.step/2sb1424.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
f7027a0e249a979f, retrieved 2026-10-30, 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).