# BZT52C6V2W

**ST Semtech** · Zener Diodes · SOD-123

BZT52C6V2W from ST Semtech, 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 Zener diode, marked as pin 1 in the PINNING table for the SOD-123 package. |
| 2 | Anode | passive | Anode terminal of the Zener diode, shown as pin 2 in the SOD-123 top view and symbol. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ST Semtech |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Dynamic impedance | ZZT |  |  | 10 | Ω | at IZT = 5 mA | 2 |
| Dynamic impedance | ZZK |  |  | 150 | Ω | at IZK (test current printed in the IZK column for this row) | 2 |
| Reverse leakage current | IR |  |  | 3 | μA | at VR = 4 V | 2 |
| Forward voltage | VF |  |  | 0.9 | V | at IF = 10 mA | 1 |
| Power dissipation | Ptot |  |  | 500 | mW |  | 1 |
| Junction temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Storage temperature range | Tstg | -65 |  | 150 | ℃ |  | 1 |
| Thermal resistance junction to ambient air | RthA |  |  | 340 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `BZT52C6V2W`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bzt52c6v2w-etched.step` / `bzt52c6v2w-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52c6v2w.step` / `bzt52c6v2w.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/8603035076859490304) (4 pp, sha256 `f0991bfa898b77b7`, retrieved 2026-10-17, 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/bzt52c6v2w-datasheet.pdf)