# C2073

**OSEN** · Bipolar (BJT) · TO-220AB

C2073 from OSEN, in a TO-220AB. 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; drive terminal of the NPN transistor, with VEBO limited to 7 V. |
| 2 | C | passive | Collector; VCBO 170 V, VCEO 150 V, continuous IC 1.5 A, PC 25 W. |
| 3 | E | passive | Emitter; VEBO 7 V maximum emitter-base voltage. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | OSEN |
| Package | TO-220AB |
| 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 Cutoff Current | ICBO |  |  | 10 | µA | VCE=180V，IB=0 | 3 |
| Emitter Cutoff Current | IEBO |  |  | 10 | µA | VEB=7V，IC=0 | 3 |
| Collector Emitter Sustaining voltage (Note 1) | BVCEO | 150 |  |  | V | IC=2mA，IB=0 | 3 |
| Collector Emitter Saturation Voltage (Note 1) | VCE(sat) |  |  | 1 | V | IC=5A,IB=0.5A | 3 |
| DC Current Gain (Note 1) | hFE | 70 |  | 200 |  | IC=0.5A，VCE=5V | 3 |
| Collector-Base Voltage | VCBO |  |  | 170 | V |  | 2 |
| Collector-Emitter Voltage | VCEO |  |  | 150 | V |  | 2 |
| Emitter-Base Voltage | VEBO |  |  | 7 | V |  | 2 |
| Collector Current-Continuous | IC |  |  | 1.5 | A |  | 2 |
| Collector Power Dissipation | PC |  |  | 25 | W | Tc=25°C | 2 |
| Max. operating junction temperature | Tj |  |  | 150 | ℃ |  | 2 |
| Storage Temperature | Tstg | -55 |  | 125 | ℃ |  | 2 |

## CAD (KiCad official)

- Symbol: `C2073`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220AB (KiCad packages3D, STEP)
- 3D model files: `c2073-etched.step` / `c2073-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `c2073.step` / `c2073.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [OSEN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920709017317376) (3 pp, sha256 `d2f2c3591aa110ff`, retrieved 2026-10-19, 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/c2073-datasheet.pdf)