# BAV21WS-AU_R1_000A1

**PANJIT International** · Switching Diodes · SOD-323

BAV21WS-AU_R1_000A1 from PANJIT International, in a SOD-323. 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 of the switching diode; BAV21WS-AU is rated 200 V reverse voltage (250 V peak) with 200 mA average rectified current. |
| 2 | Anode | passive | Anode of the switching diode; maximum forward voltage is 1 V at 0.1 A and peak forward surge current is 4 A (0.001 ms). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | SOD-323 |
| Category | Diodes |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Maximum Forward Voltage | VF |  |  | 1 | V | at 0.1A | 1 |
| Maximum DC Reverse Current | IR |  |  | 0.1 | μA | at Rated DC Blocking Voltage, TJ=25 °C | 1 |
| Maximum Reverse Recovery Time | TRR |  |  | 50 | ns | From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω | 1 |
| Reverse Voltage | VR |  |  | 200 | V |  | 1 |
| Peak Reverse Voltage | VRM |  |  | 250 | V |  | 1 |
| Rectified Current (Average) | IO |  |  | 200 | mA | Half Wave Rectification with Resistive Load and f >50 Hz | 1 |
| Peak Forward Surge Current | IFSM |  |  | 4 | A | 0.001ms | 1 |
| Power Dissipation | PTOT |  |  | 200 | mW | Derate Above 25 °C | 1 |
| Maximum Thermal Resistance, Junction to Ambient | RθJA |  |  | 640 | °C/W | Note 3: mounted with minimum recommended pad size, PC Board FR4 | 1 |
| Maximum Thermal Resistance, Junction to Case | RθJC |  |  | 260 | °C/W | Note 4: mounted on FR4 PCB, single-sided copper, 100cm2 copper pad area | 1 |
| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 |  | 150 | °C |  | 1 |
| Typical Junction Capacitance | CJ |  | 5 |  | pF | VR=0, f=1MHz | 1 |

## CAD (KiCad official)

- Symbol: `BAV21WS-AU_R1_000A1`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `bav21ws-au-r1-000a1-etched.step` / `bav21ws-au-r1-000a1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bav21ws-au-r1-000a1.step` / `bav21ws-au-r1-000a1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PANJIT International datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904058904326144) (5 pp, sha256 `16b65601f6b9e41a`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/bav21ws-au-r1-000a1-datasheet.pdf)