# BZT52B3V6S

**SMC Sangdest Microelectronicstronic Nanjing** · Zener Diodes · SOD-323

BZT52B3V6S from SMC Sangdest Microelectronicstronic Nanjing, 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | SMC Sangdest Microelectronicstronic Nanjing |
| 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 |
|---|---|---|---|---|---|---|---|
| Power Dissipation | PD |  |  | 200 | mW | Device mounted on ceramic PCB 7.6mm x 9.4mm x 0.87mm, pad areas 25mm2 (Note 1) | 1 |
| Junction Temperature | TJ |  |  | 150 | C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | C |  | 1 |
| Thermal Resistance from Junction to Ambient | RΘJA |  |  | 625 | C/W |  | 1 |
| Forward Voltage | VF |  | 0.9 |  | V | @ IF = 10mA (Note 2: short duration test pulse) | 1 |

## CAD (KiCad official)

- Symbol: `BZT52B3V6S`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `bzt52b3v6s-etched.step` / `bzt52b3v6s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52b3v6s.step` / `bzt52b3v6s.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SMC Sangdest Microelectronicstronic Nanjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913254961983488) (5 pp, sha256 `b4b3841aaef05c7a`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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/bzt52b3v6s-datasheet.pdf)