# BAS216WS

**ST Semtech** · Switching Diodes · SOD-323

BAS216WS from ST Semtech, 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 terminal of the switching diode, rated for a reverse voltage VR of 75 V and a continuous forward current IF of 250 mA. |
| 2 | Anode | passive | Anode terminal of the switching diode, rated for a repetitive peak reverse voltage VRRM of 85 V and a repetitive peak forward current IFRM of 500 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ST Semtech |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Breakdown Voltage | V(BR)R | 75 |  |  | V | at IR = 100 μA | 2 |
| Forward Voltage | VF |  |  | 0.715 | V | at IF = 1 mA | 2 |
| Forward Voltage | VF |  |  | 0.855 | V | at IF = 10 mA | 2 |
| Forward Voltage | VF |  |  | 1 | V | at IF = 50 mA | 2 |
| Forward Voltage | VF |  |  | 1.25 | V | at IF = 150 mA | 2 |
| Reverse Current | IR |  |  | 30 | nA | at VR = 25 V | 2 |
| Reverse Current | IR |  |  | 1 | μA | at VR = 75 V | 2 |
| Reverse Current | IR |  |  | 30 | μA | at VR = 25 V, TJ = 150 °C | 2 |
| Reverse Current | IR |  |  | 50 | μA | at VR = 75 V, TJ = 150 °C | 2 |
| Diode Capacitance | Ctot |  |  | 1.5 | pF | at VR = 0 V, f = 1 MHz | 2 |
| Reverse Recovery Time | trr |  |  | 4 | ns | at IF = 10 mA, VR = 6 V, Irr = 0.1 X IR, RL = 100 Ω | 2 |
| Repetitive Peak Reverse Voltage | VRRM |  |  | 85 | V |  | 1 |
| Reverse Voltage | VR |  |  | 75 | V |  | 1 |
| Continuous Forward Current | IF |  |  | 250 | mA |  | 1 |
| Repetitive Peak Forward Current | IFRM |  |  | 500 | mA |  | 1 |
| Non-repetitive Peak Forward Surge Current | IFSM |  |  | 0.5 | A | at t = 1 s | 1 |
| Non-repetitive Peak Forward Surge Current | IFSM |  |  | 1 | A | at t = 1 ms | 1 |
| Non-repetitive Peak Forward Surge Current | IFSM |  |  | 4 | A | at t = 1 μs | 1 |
| Power Dissipation | PD |  |  | 200 | mW |  | 1 |
| Junction Temperature | Tj |  |  | 150 | °C |  | 1 |
| Storage Temperature Range | Tstg | -65 |  | 150 | °C |  | 1 |
| Thermal Resistance from Junction to Ambient | RθJA |  |  | 625 | /W | Device mounted on FR-4 substrate PC board, with minimum recommended pad layout | 1 |

## CAD (KiCad official)

- Symbol: `BAS216WS`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `bas216ws-etched.step` / `bas216ws-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bas216ws.step` / `bas216ws.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ST Semtech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902811725152256) (4 pp, sha256 `9d3c39faba3ecc99`, retrieved 2026-11-07, 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/bas216ws-datasheet.pdf)