# UDZVTE-175.1B

**ROHM Semicon** · Zener Diodes · SOD-323FL

UDZVTE-175.1B from ROHM Semicon, in a SOD-323FL. 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 of the 5.1 V Zener diode (marking bar side); Zener voltage 4.980 V min to 5.200 V max at Iz = 5 mA. |
| 2 | A | passive | Anode of the Zener diode; the datasheet gives a 200 mW power dissipation limit and a 150 °C junction temperature for the device. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | SOD-323FL |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `UDZVTE-175.1B`
- Footprint: `Diode_SMD:D_SOD-323F`
- 3D model: SOD-323FL (KiCad packages3D, STEP)
- 3D model files: `udzvte-175-1b-etched.step` / `udzvte-175-1b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `udzvte-175-1b.step` / `udzvte-175-1b.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ROHM Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907372773584896) (10 pp, sha256 `95117fba2ab02967`, retrieved 2026-10-12, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/udzvte-175-1b-datasheet.pdf)