component
B772
Public Made by Adomby adom
Guangdong Hottech 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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README
markdownB772
Guangdong Hottech · Bipolar (BJT) · SOT-89
B772 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; VEBO max -6 V and IEBO max -1 uA at VEB=-6 V. |
| 2 | C | passive | Collector of the PNP transistor (also connected to the tab); VCBO -40 V, VCEO -30 V, IC max -3 A. |
| 3 | E | passive | Emitter of the PNP transistor; total power dissipation 500 mW at TA=25°C. |
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 | VCBO | -40 | V | 1 | |||
| Collector-emitter voltage | VCEO | -30 | 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 | °C | 1 | |||
| Storage temperature | TSTG | -55 | 150 | °C | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 250 | °C/W | 1 | |||
| Collector-base breakdown voltage | V(BR)CBO | -40 | V | IC=-100uA, IE=0 | 1 | ||
| Collector-emitter breakdown voltage | V(BR)CEO | -30 | V | IC=-10mA, IB=0 | 1 | ||
| Emitter-base breakdown voltage | V(BR)EBO | -6 | V | IE=-100uA, IC=0 | 1 | ||
| Collector cut-off current (base open, VCB) | ICBO | -1 | uA | VCB=-40V, IE=0 | 1 | ||
| Collector cut-off current (base open, VCE) | ICEO | -10 | uA | VCE=-30V, IB=0 | 1 | ||
| Emitter cut-off current | IEBO | -1 | uA | VEB=-6V, IC=0 | 1 | ||
| DC current gain | hFE | 60 | 400 | VCE=-2V, IC=-1A | 1 | ||
| Collector-emitter saturation voltage | VCE(sat) | -0.5 | V | IC=-2A, IB=-0.2A | 1 | ||
| Base-emitter saturation voltage | VBE(sat) | -1.5 | V | IC=-2A, IB=-0.2A | 1 | ||
| Transition frequency | fT | 50 | MHz | VCE=-5V, IC=-0.1A, f=10MHz | 1 |
CAD (KiCad official)
- Symbol:
B772 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
b772-etched.step/b772-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);b772.step/b772.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Guangdong Hottech datasheet (4 pp, sha256
3833063e9a3684b3, retrieved 2026-10-09, 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).