# BAV21W_R1_00301

**PANJIT International** · Switching Diodes · SOD-123

BAV21W_R1_00301 from PANJIT International, in a SOD-123. 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 | Cathode | passive | Cathode terminal of the BAV21W switching diode, rated for a reverse voltage VR of 200 V and a peak reverse voltage VRM of 250 V. |
| 2 | Anode | passive | Anode terminal of the BAV21W switching diode, rated for an average rectified current IO of 200 mA and a peak forward surge current IFSM of 4 A (1 ms). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SOD-123 |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `BAV21W_R1_00301`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bav21w-r1-00301-etched.step` / `bav21w-r1-00301-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bav21w-r1-00301.step` / `bav21w-r1-00301.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PANJIT International datasheet](docs/bav21w-r1-00301-datasheet.pdf) (4 pp, sha256 `de49293e16d630c0`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/bav21w-r1-00301-datasheet.pdf)