# PDZ12B_R1_00001

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

PDZ12B_R1_00001 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 zener diode (pin 1 marked Cathode); PDZ12B nominal Zener voltage 11.74 V min to 12.24 V max at IZT = 5 mA. |
| 2 | A | passive | Anode of the zener diode (pin 2 marked Anode); device power dissipation is 400 mW maximum at 25 °C. |

## 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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage | VZ | 11.74 |  | 12.24 | V | @ IZT = 5 mA | 2 |
| Max Zener Impedance | ZZT |  |  | 10 | Ω | @ IZT = 5 mA | 2 |
| Max Zener Impedance (knee) | ZZK |  |  | 80 | Ω | @ IZK = 0.5 mA | 2 |
| Max Reverse Leakage Current | IR |  |  | 0.1 | μA | @ VR = 9.0 V | 2 |
| Maximum Power Dissipation | PD |  |  | 400 | mW | Note A, at 25°C | 1 |
| Operating Junction and Storage Temperature Range | TJ | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance, Junction to Ambient | RθJA |  |  | 650 | °C/W | Note B | 1 |

## CAD (KiCad official)

- Symbol: `PDZ12B_R1_00001`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `pdz12b-r1-00001-etched.step` / `pdz12b-r1-00001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pdz12b-r1-00001.step` / `pdz12b-r1-00001.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/8588904081670197249) (6 pp, sha256 `ef42e0f2157480af`, 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/pdz12b-r1-00001-datasheet.pdf)