component
BCX56-16Q
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech Bipolar (BJT), SOT-89. 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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Contents
README
markdownBCX56-16Q
Yangzhou Yangjie Elec Tech · Bipolar (BJT) · SOT-89
BCX56-16Q from Yangzhou Yangjie Elec Tech, 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 NPN transistor, left lead in the top-view diagram; the datasheet's emitter-base voltage rating is VEBO 5 V. |
| 2 | C | passive | Collector, centre lead, internally connected to the collector tab; ratings are VCEO 80 V, VCBO 100 V and IC 1 A. |
| 3 | E | passive | Emitter of the NPN transistor, right lead in the top-view diagram. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| 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 |
|---|---|---|---|---|---|---|---|
| DC Current Gain (hFE) at VCE=2V, IC=150mA | hFE | 100 | 250 | VCE=2V, IC=150mA | 2 | ||
| Collector-Base cut-off current | ICBO | 100 | nA | VCB=30V | 2 | ||
| Emitter-Base cut-off current | IEBO | 100 | nA | VEB=5V | 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 | 130 | MHz | IC=10mA, VCE=5V, f=100MHz | 2 | ||
| Collector-Emitter Voltage | VCEO | 80 | V | IC=10mA, IB=0 | 2 | ||
| Collector-Base Voltage | VCBO | 100 | V | IC=100uA, IE=0 | 2 | ||
| Emitter-Base Voltage | VEBO | 5 | V | IE=10uA, IC=0 | 2 | ||
| DC Current Gain (hFE) at VCE=2V, IC=5mA | hFE | 40 | VCE=2V, IC=5mA | 2 | |||
| DC Current Gain (hFE) at VCE=2V, IC=500mA | hFE | 25 | VCE=2V, IC=500mA | 2 | |||
| Collector-Emitter Voltage | VCEO | 80 | V | IC=10mA, IB=0 | 1 | ||
| Collector-Base Voltage | VCBO | 100 | V | IC=100uA, IE=0 | 1 | ||
| Emitter-Base Voltage | VEBO | 5 | V | IE=10uA, IC=0 | 1 | ||
| Collector Current | IC | 1 | A | 1 | |||
| Collector Power Dissipation | PC | 500 | mW | Device mounted on FR-4 PCB 1.0 x 1.0 x 0.06 inch | 1 | ||
| Operation Junction Temperature | Tj | -55 | 150 | ℃ | 1 | ||
| Storage Temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance From Junction To Ambient | RθJA | 140 | 250 | ℃/W | Device mounted on FR-4 PCB 1.0 x 1.0 x 0.06 inch | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
BCX56-16Q - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
bcx56-16q-etched.step/bcx56-16q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bcx56-16q.step/bcx56-16q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256
18e4fdc58361c1b1, 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).