# 2SB772PU

**CBI** · Bipolar (BJT) · SOT-89

2SB772PU from CBI, 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; -VEBO max 5 V, base current -IB max 0.6 A. |
| 2 | C | passive | Collector (also the tab); -VCEO max 30 V, -VCBO max 40 V, -IC max 3 A (7 A peak for 10 ms). |
| 3 | E | passive | Emitter of the PNP transistor; -VEBO max 5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | CBI |
| 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 Cutoff Current | -ICBO |  |  | 1 | µA | at -VCB = 30 V | 1 |
| Emitter Base Cutoff Current | -IEBO |  |  | 1 | µA | at -VEB = 3 V | 1 |
| Collector Base Breakdown Voltage | -V(BR)CBO | 40 |  |  | V | at -IC = 1 mA | 1 |
| Collector Emitter Breakdown Voltage | -V(BR)CEO | 30 |  |  | V | at -IC = 1 mA | 1 |
| Emitter Base Breakdown Voltage | -V(BR)EBO | 5 |  |  | V | at -IE = 1 mA | 1 |
| Collector Emitter Saturation Voltage | -VCE(sat) |  |  | 0.5 | V | at -IC = 2 A, -IB = 200 mA | 1 |
| Base Emitter Saturation Voltage | -VBE(sat) |  |  | 2 | V | at -IC = 2 A, -IB = 200 mA | 1 |
| DC Current Gain, Current Gain Group P | hFE | 160 |  | 320 |  | at -VCE = 2 V, -IC = 1 A | 1 |
| Collector Base Voltage | -VCBO |  |  | 40 | V |  | 1 |
| Collector Emitter Voltage | -VCEO |  |  | 30 | V |  | 1 |
| Emitter Base Voltage | -VEBO |  |  | 5 | V |  | 1 |
| Collector Current | -IC |  |  | 3 | A |  | 1 |
| Peak Collector Current | -ICP |  |  | 7 | A | t = 10 ms | 1 |
| Base Current | -IB |  |  | 0.6 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 1 | W | Ta = 25 °C | 1 |
| Total Power Dissipation | PD |  |  | 10 | W | Tc = 25 °C | 1 |
| Operating and Storage Junction Temperature Range | Tj, Tstg | -65 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `2SB772PU`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files: `2sb772pu-etched.step` / `2sb772pu-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sb772pu.step` / `2sb772pu.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [CBI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944826578845696) (3 pp, sha256 `688c66dc889b892d`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).

[Datasheet PDF](docs/2sb772pu-datasheet.pdf)