# IRF9640PBF-JSM

**JSMSEMI** · MOSFETs · TO-220-3

IRF9640PBF-JSM from JSMSEMI, in a TO-220-3. 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 | G | input | Gate; gate-source voltage limited to ±20 V (VGSS) with threshold of -2 V to -4 V at ID = -250 µA. |
| 2 | D | passive | Drain (also the tab); drain-source voltage rated -200 V with continuous drain current of -15 A and pulsed -60 A. |
| 3 | S | passive | Source; body diode continuous current rated -15 A and pulsed -60 A. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `IRF9640PBF-JSM`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220-3 (KiCad packages3D, STEP)
- 3D model files: `irf9640pbf-jsm-etched.step` / `irf9640pbf-jsm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `irf9640pbf-jsm.step` / `irf9640pbf-jsm.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [JSMSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755867469016260608) (5 pp, sha256 `e062fa08fb6fc87f`, retrieved 2026-10-18, 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/irf9640pbf-jsm-datasheet.pdf)