# 2SB1132 BAR

**GME(银河微电)** · Bipolar (BJT) · SOT-89

2SB1132 BAR from GME(银河微电), 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 | BASE | input | Base of the PNP transistor; emitter-base breakdown voltage VEBO is -5 V. |
| 2 | EMITTER | passive | Emitter of the PNP transistor; VEBO is -5 V relative to base. |
| 3 | COLLECTOR | passive | Collector of the PNP transistor, also the center tab; VCBO -40 V, VCEO -32 V, continuous IC -1 A (-2 A listed as second value). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GME(银河微电) |
| 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 Breakdown Voltage | V(BR)CBO | -40 |  |  | V | IC = -50μA, IE = 0 | 2 |
| Collector-Emitter Breakdown Voltage | V(BR)CEO | -32 |  |  | V | IC = -1mA, IB = 0 | 2 |
| Emitter-Base Breakdown Voltage | V(BR)EBO | -5 |  |  | V | IE = -50μA, IC = 0 | 2 |
| Collector Cut-off Current | ICBO |  |  | -0.5 | μA | VCB = -20V, IE = 0 | 2 |
| DC Current Gain (rank R, marking BAR) | hFE | 180 |  | 390 | - | VCE = -3V, IC = -100mA | 2 |
| Collector-emitter Saturation Voltage | VCE(sat) |  | -0.2 | -0.5 | V | IC = -500mA, IB = -50mA | 2 |
| Collector Output Capacitance | COBO |  | 20 | 30 | pF | VCB = -10V, IE = 0, f = 1MHZ | 2 |
| Collector-Base Voltage | VCBO |  |  | -40 | V |  | 1 |
| Collector-Emitter Voltage | VCEO |  |  | -32 | V |  | 1 |
| Emitter-Base Voltage | VEBO |  |  | -5 | V |  | 1 |
| Collector Current (Continuous) | IC |  |  | -1 | A |  | 1 |
| Collector Current (second printed value, label not printed) | IC |  |  | -2 | A |  | 1 |
| Power Dissipation | PD |  |  | 500 | mW |  | 1 |
| Thermal Resistance (Junction-to-Ambient) | RθJA |  |  | 250 | C/W |  | 1 |
| Operating Junction Temperature | TJ | -55 |  | 150 | °C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 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; solderability per MIL-STD-202, Method 208 SOT-89 Ordering Information | 1 |

## CAD (KiCad official)

- Symbol: `2SB1132 BAR`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files: `2sb1132-bar-etched.step` / `2sb1132-bar-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sb1132-bar.step` / `2sb1132-bar.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [GME(银河微电) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921424213258240) (4 pp, sha256 `bf284d6c74b9a8e4`, retrieved 2026-10-17, 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/2sb1132-bar-datasheet.pdf)