# ALJ13003-72

**ALJ** · Bipolar (BJT) · TO-92

ALJ13003-72 from ALJ, in a TO-92. 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 | EMITTER | passive | Emitter terminal; the datasheet rates the emitter-base voltage VEBO at 9 V. |
| 2 | COLLECTOR | passive | Collector terminal; the datasheet rates the collector current IC at 0.5 A and the collector-emitter voltage VCEO at 480 V. |
| 3 | BASE | passive | Base terminal; the datasheet specifies VBE(sat) of 1.5 V at IC=200 mA, IB=40 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ALJ |
| Package | TO-92 |
| 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 | 600 |  |  | V | IC=100uA, IE=0 | 1 |
| Collector-emitter breakdown voltage | V(BR)CEO | 480 |  |  | V | IC=1mA, IB=0 | 1 |
| Emitter-Base breakdown voltage | V(BR)EBO | 9 |  |  | V | IE=100uA, IC=0 | 1 |
| Collector cut-off current | ICBO |  |  | 10 | μA | VCB=600V, IE=0 | 1 |
| Emitter cut-off current | IEBO |  |  | 10 | μA | VEB=9V, IC=0 | 1 |
| DC current gain | hFE | 15 |  | 30 |  | VCE=10V, IC=400mA | 1 |
| Collector-emitter saturation voltage | VCE(sat) |  |  | 0.6 | V | IC=200mA, IB=40mA | 1 |
| Base-emitter saturation voltage | VBE(sat) |  |  | 1.5 | V | IC=200mA, IB=40mA | 1 |
| Transition frequency | fT | 5 |  |  | MHZ | VCE=10V, IC=0.1A, f=1MHZ | 1 |
| Storage time | ts |  | 2 | 5 | μs | UI9600, IC=0.1A | 1 |
| Rise time | tr |  |  | 1 | μs | UI9600, IC=0.1A | 1 |
| Fall time | tf |  |  | 1 | μs | UI9600, IC=0.1A | 1 |
| Collector-Base Voltage | VCBO |  |  | 600 | V | Ta=25℃ | 1 |
| Collector-Emitter Voltage | VCEO |  |  | 480 | V | Ta=25℃ | 1 |
| Emitter-Base Voltage | VEBO |  |  | 9 | V | Ta=25℃ | 1 |
| Collector Current | IC |  |  | 0.5 | A | Ta=25℃ | 1 |
| Collector Power Dissipation | PC |  |  | 800 | mW | Ta=25℃ | 1 |
| Junction Temperature | Tj |  |  | 150 | ℃ | Ta=25℃ | 1 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ | Ta=25℃ | 1 |

## CAD (KiCad official)

- Symbol: `ALJ13003-72`
- Footprint: `Package_TO_SOT_THT:TO-92_Inline`
- 3D model: TO-92 (KiCad packages3D, STEP)
- 3D model files: `alj13003-72-etched.step` / `alj13003-72-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `alj13003-72.step` / `alj13003-72.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ALJ datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603351561233833984) (2 pp, sha256 `44c1f274de7f6933`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/alj13003-72-datasheet.pdf)