component
BCX53 AH HD
Public Made by Adomby adom
Guangdong Hottech Bipolar (BJT), SOT-89. 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 | 17d ago |
| viewers | 17d ago |
| bcx53-ah-hd-etched.glb | 17d ago |
| bcx53-ah-hd-etched.step | 17d ago |
| bcx53-ah-hd-hero.glb | 17d ago |
| bcx53-ah-hd-hero.overlay.json | 17d ago |
| bcx53-ah-hd.glb | 17d ago |
| bcx53-ah-hd.kicad_mod | 17d ago |
| bcx53-ah-hd.kicad_sym | 17d ago |
| bcx53-ah-hd.lbr | 17d ago |
| bcx53-ah-hd.step | 17d ago |
| package.json | 17d ago |
| page.json | 17d ago |
| README.md | 17d ago |
BCX53 AH HD
Guangdong Hottech · Bipolar (BJT) · SOT-89
BCX53 AH HD from Guangdong Hottech, in a SOT-89. 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 | B | input | Base of the PNP transistor; the SOT-89 drawing labels the left-hand lead B, and the datasheet gives VEBO as -5 V max. |
| 2 | C | passive | Collector of the PNP transistor (centre lead, internally joined to the collector tab); the datasheet gives IC of -1 A max and VCEO of -80 V for the BCX53. |
| 3 | E | passive | Emitter of the PNP transistor; the SOT-89 drawing labels the right-hand lead E. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Guangdong Hottech |
| Package | SOT-89 |
| 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 (BCX53) | VCBO | -100 | V | 1 | |||
| Collector-Emitter Voltage (BCX53) | VCEO | -80 | V | 1 | |||
| Emitter-Base Voltage | VEBO | -5 | V | 1 | |||
| Collector Current | IC | -1 | A | 1 | |||
| Collector Power Dissipation | PC | 500 | mW | 1 | |||
| Junction Temperature | TJ | 150 | °C | 1 | |||
| Storage Temperature | TSTG | -55 | 150 | °C | 1 | ||
| Thermal Resistance From Junction To Ambient | RθJA | 250 | °C/W | 1 | |||
| Collector-base breakdown voltage (BCX53) | V(BR)CBO | -100 | V | IC=-100uA, IE=0 | 2 | ||
| Collector-emitter breakdown voltage (BCX53) | V(BR)CEO | -80 | V | IC=-10mA, IB=0 | 2 | ||
| Emitter-base breakdown voltage | V(BR)EBO | -5 | V | IE=-100uA, IC=0 | 2 | ||
| Collector cut-off current | ICBO | -0.1 | uA | VCB=-30V, IE=0 | 2 | ||
| Emitter cut-off current | IEBO | -0.1 | uA | VEB=-5V, IC=0 | 2 | ||
| DC current gain (BCX53 rank, low current) | hFE1 | 63 | VCE=-2V, IC=-5mA | 2 | |||
| DC current gain (BCX53 rank, medium current) | hFE2 | 63 | 250 | VCE=-2V, IC=-150mA | 2 | ||
| DC current gain (BCX53 rank, high current) | hFE3 | 40 | VCE=-2V, IC=-500mA | 2 | |||
| Collector-emitter saturation voltage | VCE(sat) | -0.5 | V | IC=-500mA, IB=-50mA | 2 | ||
| Base-emitter voltage | VBE | -1 | V | VCE=-2V, IC=-500mA | 2 | ||
| Transition frequency | fT | 50 | MHz | VCE=-5V, IC=-10mA, f=100MHz | 2 |
CAD (KiCad official)
- Symbol:
BCX53 AH HD - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
bcx53-ah-hd-etched.step/bcx53-ah-hd-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bcx53-ah-hd.step/bcx53-ah-hd.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Guangdong Hottech datasheet (5 pp, sha256
f505c1e3b73942ee, retrieved 2026-10-18, 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).