# BAP64-04W

**Changjing** · Diodes - General Purpose · SOT-323

BAP64-04W from Changjing, in a SOT-323. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | A1 | passive | Anode of diode 1; VF max 1.1 V at IF = 50 mA, VR max 175 V, rd = 1.35 Ω at IF = 100 mA / 100 MHz. |
| 2 | A2 | passive | Anode of diode 2; VF max 1.1 V at IF = 50 mA, VR max 175 V, rd = 1.35 Ω at IF = 100 mA / 100 MHz. |
| 3 | K | passive | Common cathode of both diodes; rated VR max 175 V, IF max 100 mA continuous, Cd = 0.52 pF at VR = 0 V / 1 MHz. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-323 |
| Category | Diodes |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `BAP64-04W`
- Footprint: `Package_TO_SOT_SMD:SOT-323_SC-70`
- 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files: `bap64-04w-etched.step` / `bap64-04w-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bap64-04w.step` / `bap64-04w.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590223106917756928) (5 pp, sha256 `38c9060fb95deb1a`, retrieved 2026-09-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (text+vision), consensus `claude-opus-4-7` (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/bap64-04w-datasheet.pdf)