# 2SC4117-BL

**TOSHIBA** · Bipolar Transistors - BJT · SC-70

2SC4117-BL from TOSHIBA, in a SC-70. 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 | BASE | input | Base terminal of the NPN transistor; VEBO maximum is 5 V and base current IB maximum is 20 mA. |
| 2 | EMITTER | passive | Emitter terminal of the NPN transistor; VEBO maximum is 5 V between emitter and base. |
| 3 | COLLECTOR | passive | Collector terminal of the NPN transistor; VCEO and VCBO maximum are 120 V and collector current IC maximum is 100 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TOSHIBA |
| Package | SC-70 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `2SC4117-BL`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SC-70 (KiCad packages3D, STEP)
- 3D model files: `2sc4117-bl-etched.step` / `2sc4117-bl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sc4117-bl.step` / `2sc4117-bl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TOSHIBA datasheet](docs/2sc4117-bl-datasheet.pdf) (6 pp, sha256 `6566ea76558efe45`, retrieved 2026-10-28, tier: manufacturer)
- **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/2sc4117-bl-datasheet.pdf)