# 2SC3265

**UMW** · Bipolar (BJT) · SOT-23

2SC3265 from UMW, in a SOT-23. 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 terminal of the NPN transistor; the absolute maximum emitter-base voltage VEBO is 5 V. |
| 2 | E | passive | EMITTER terminal of the NPN transistor; the emitter-base breakdown voltage V(BR)EBO is specified with a minimum of 5 V at IE=100μA. |
| 3 | C | passive | COLLECTOR terminal of the NPN transistor; the absolute maximum collector-emitter voltage VCEO is 30 V and collector current IC is 800 mA continuous. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| Package | SOT-23 |
| 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-emitter voltage | VCEO |  |  | 30 | V | TA=25°C | 1 |
| Collector-base voltage | VCBO |  |  | 35 | V | TA=25°C | 1 |
| Emitter-base voltage | VEBO |  |  | 5 | V | TA=25°C | 1 |
| Collector current -continuous | IC |  |  | 800 | mA | TA=25°C | 1 |
| Collector power dissipation | PC |  |  | 200 | mW | TA=25°C | 1 |
| Junction temperature | TJ |  |  | 150 | °C |  | 1 |
| Storage temperature | TSTG | -55 |  | 150 | °C |  | 1 |
| Collector-base breakdown voltage | V(BR)CBO | 35 |  |  | V | IC=100μA, IE=0 | 2 |
| Collector-emitter breakdown voltage | V(BR)CEO | 30 |  |  | V | IC=10mA, IB=0 | 2 |
| Emitter-base breakdown voltage | V(BR)EBO | 5 |  |  | V | IE=100μA, IC=0 | 2 |
| Collector cut-off current | ICBO |  |  | 0.1 | μA | VCB=30V, IE=0 | 2 |
| Emitter cut-off current | IEBO |  |  | 0.1 | μA | VEB=5V, IC=0 | 2 |
| Collector-emitter saturation voltage | VCE(sat) |  |  | 0.5 | V | IC=500mA, IB=20mA | 2 |

## CAD (KiCad official)

- Symbol: `2SC3265`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `2sc3265-etched.step` / `2sc3265-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sc3265.step` / `2sc3265.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UMW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757271542751879168) (6 pp, sha256 `27fe19601188c943`, 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/2sc3265-datasheet.pdf)