# 2SC2412 BR

**FOSAN** · Bipolar Transistors - BJT · SOT-23

2SC2412 BR from FOSAN, 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 of the NPN transistor; VEBO max 7 V and BVEBO min 7 V (IE=50µA). |
| 2 | E | passive | Emitter of the NPN transistor; VEBO max 7 V relative to base. |
| 3 | C | passive | Collector of the NPN transistor; VCBO 60 V, VCEO 50 V, IC max 150 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FOSAN |
| Package | SOT-23 |
| 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 Breakdown Voltage | BVCBO | 60 |  |  | V | IC=50µA, IE=0 | 2 |
| Collector-Emitter Breakdown Voltage | BVCEO | 50 |  |  | V | IC=1mA, IB=0 | 2 |
| Emitter-Base Breakdown Voltage | BVEBO | 7 |  |  | V | IE=50µA, IC=0 | 2 |
| Collector-Base Leakage Current | ICBO |  |  | 100 | nA | VCB=60V, IE=0 | 2 |
| Emitter-Base Leakage Current | IEBO |  |  | 100 | nA | VEB=7V, IC=0 | 2 |
| DC Current Gain (BR grade) | HFE | 180 |  | 390 |  |  | 1 |
| Collector-Emitter Saturation Voltage | VCE(sat) |  |  | 0.4 | V | IC=50mA, IB=5mA | 2 |
| Collector-Base Voltage | VCBO |  |  | 60 | V |  | 1 |
| Collector-Emitter Voltage | VCEO |  |  | 50 | V |  | 1 |
| Emitter-Base Voltage | VEBO |  |  | 7 | V |  | 1 |
| Collector Current | IC |  |  | 150 | mA |  | 1 |
| Power dissipation | PC |  |  | 200 | mW | Ta=25℃ | 1 |
| Junction and Storage Temperature | TJ,Tstg | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-Ambient | RΘJA |  | 625 |  | ℃/W |  | 1 |
| Transition Frequency | fT |  | 180 |  | MHZ | VCE=12V, IC=2mA | 2 |
| Output Capacitance | Cob |  | 2 | 3.5 | pF | VCB=12V, IE=0, f=1MHZ | 2 |

## CAD (KiCad official)

- Symbol: `2SC2412 BR`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `2sc2412-br-etched.step` / `2sc2412-br-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sc2412-br.step` / `2sc2412-br.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FOSAN datasheet](docs/2sc2412-br-datasheet.pdf) (4 pp, sha256 `6d634033285fb460`, retrieved 2026-10-21, 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/2sc2412-br-datasheet.pdf)