# 13003

**OSEN** · Bipolar Transistors - BJT · TO-126

13003 from OSEN, in a TO-126. 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; emitter-base voltage limited to 9 V (VEBO) and emitter cutoff current IEBO max 20 µA at VEB=9V. |
| 2 | C | passive | Collector; VCBO 700 V, VCEO 400 V, continuous collector current 2 A. |
| 3 | E | passive | Emitter of the NPN transistor, the common return terminal of the device. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | OSEN |
| Package | TO-126 |
| Category | Triode/MOS Tube/Transistor |
| 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 |  |  | 700 | V | Tc=25°C | 2 |
| Collector-Emitter Voltage | VCEO |  |  | 400 | V | Tc=25°C | 2 |
| Emitter-Base Voltage | VEBO |  |  | 9 | V | Tc=25°C | 2 |
| Collector Current-Continuous | IC |  |  | 2 | A | Tc=25°C | 2 |
| Collector Power Dissipation | PC |  |  | 30 | W | Tc=25°C | 2 |
| Max. Operating junction temperature | Tj |  |  | 150 | ℃ |  | 2 |
| Storage Temperature | Tstg | -55 |  | 150 | ℃ |  | 2 |
| Collector Cutoff Current | ICBO |  |  | 10 | µA | VCE=650V，IB=0 | 3 |
| Emitter Cutoff Current | IEBO |  |  | 20 | µA | VEB=9V，IC=0 | 3 |
| Collector Emitter Sustaining voltage (Note 1) | BVCEO | 400 |  |  | V | IC=10mA，IB=0 | 3 |
| Collector Emitter Saturation Voltage (Note 1) | VCE(sat) |  |  | 0.6 | V | IC=1.5A,IB=0.3A | 3 |
| Base-Emitter Saturation Voltage (Note 1) | VBE(sat) |  |  | 1.2 | V | IC=1.5A,IB=0.3A | 3 |
| DC Current Gain (Note 1) | hFE | 15 |  | 35 |  | IC=0.1A，VCE=5V | 3 |
| Current-Gain, Bandwidth | fT | 5 |  |  | MHZ | VCE=10V，Ic=0.5A，f=1MHz | 3 |
| Period of storage | Ts | 2 |  | 8 | us |  | 3 |
| Up time | Tr |  |  | 1 | us | Ic=250mA,UI9600 | 3 |
| Drop-out time | Tf |  |  | 1 | us |  | 3 |
| Thermal Resistance, Junction to Case | Rth(j-c) |  | 4.17 |  | °C/W |  | 2 |

## CAD (KiCad official)

- Symbol: `13003`
- Footprint: `Package_TO_SOT_THT:TO-126-3_Vertical`
- 3D model: TO-126 (KiCad packages3D, STEP)
- 3D model files: `13003-etched.step` / `13003-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `13003.step` / `13003.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [OSEN datasheet](docs/13003-datasheet.pdf) (3 pp, sha256 `e50f4334b074c6af`, retrieved 2026-11-07, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/13003-datasheet.pdf)