# 2SC4793-O

**JSMSEMI** · Bipolar Transistors - BJT · TO-220F

2SC4793-O from JSMSEMI, in a TO-220F. 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 | passive | Base; maximum base current is 0.1 A and the emitter-base voltage is limited to 5 V. |
| 2 | C | passive | Collector; collector-base and collector-emitter voltage are rated at 230 V, with a maximum DC collector current of 1 A. |
| 3 | E | passive | Emitter; the emitter-base voltage is limited to 5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| Package | TO-220F |
| Category | Transistors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `2SC4793-O`
- Footprint: `Package_TO_SOT_THT:TO-220F-3_Vertical`
- 3D model: TO-220F (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [JSMSEMI datasheet](docs/2sc4793-o-datasheet.pdf) (3 pp, sha256 `8a7ba89e5bcf178e`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/2sc4793-o-datasheet.pdf)