component
MMBTSA1576W
Public Made by Adomby adom
CBI Bipolar (BJT), SOT-323. 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
markdownMMBTSA1576W
CBI · Bipolar (BJT) · SOT-323
MMBTSA1576W from CBI, in a SOT-323. 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 DC current gain hFE 120 to 560 (groups Q, R, S) at -VCE = 6 V, -IC = 1 mA. |
| 2 | E | passive | Emitter of the PNP transistor; -VEBO max 6 V relative to base. |
| 3 | C | passive | Collector of the PNP transistor; -VCBO 60 V, -VCEO 50 V, -IC max 150 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | CBI |
| Package | SOT-323 |
| 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, Group Q | hFE | 120 | 270 | at -VCE = 6 V, -IC = 1 mA | 1 | ||
| DC Current Gain, Group R | hFE | 180 | 390 | at -VCE = 6 V, -IC = 1 mA | 1 | ||
| DC Current Gain, Group S | hFE | 270 | 560 | at -VCE = 6 V, -IC = 1 mA | 1 | ||
| Collector Base Cutoff Current | -ICBO | 0.1 | µA | at -VCB = 60 V | 1 | ||
| Emitter Base Cutoff Current | -IEBO | 0.1 | µA | at -VEB = 6 V | 1 | ||
| Collector Base Breakdown Voltage | -V(BR)CBO | 60 | V | at -IC = 50 µA | 1 | ||
| Collector Emitter Breakdown Voltage | -V(BR)CEO | 50 | V | at -IC = 1 mA | 1 | ||
| Emitter Base Breakdown Voltage | -V(BR)EBO | 6 | V | at -IE = 50 µA | 1 | ||
| Collector Emitter Saturation Voltage | VCE(sat) | 0.5 | V | at -IC = 50 mA, -IB = 5 mA | 1 | ||
| Collector Output Capacitance | Cob | 5 | pF | at -VCB = 12 V, f = 1 MHz | 1 | ||
| Collector Base Voltage | -VCBO | 60 | V | 1 | |||
| Collector Emitter Voltage | -VCEO | 50 | V | 1 | |||
| Emitter Base Voltage | -VEBO | 6 | V | 1 | |||
| Collector Current | -IC | 150 | mA | 1 | |||
| Power Dissipation | Ptot | 200 | mW | 1 | |||
| Junction Temperature | Tj | 150 | °C | 1 | |||
| Storage Temperature Range | Tstg | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
MMBTSA1576W - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files:
mmbtsa1576w-etched.step/mmbtsa1576w-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmbtsa1576w.step/mmbtsa1576w.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: CBI datasheet (2 pp, sha256
b6b7e539c5c55fe4, retrieved 2026-10-17, 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).