# BZT52-B16_R1_00001

**PANJIT International** · Zener Diodes · SOD-123

BZT52-B16_R1_00001 from PANJIT International, 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, labeled pin 1 on the SOD-123 outline; the datasheet's polarity diagram is referenced but not included in the extracted text, and the diode is rated 410 mW maximum power dissipation with a junction/storage range of -55 to +150 °C. |
| 2 | Anode | passive | Anode terminal of the Zener diode, labeled pin 2 on the SOD-123 outline, with a forward voltage drop of 0.9 V maximum at IF = 10 mA stated for the device. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| 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 |
|---|---|---|---|---|---|---|---|
| Nominal Zener voltage (BZT52-B16) | VZ | 15.68 | 16 | 16.32 | V | IZT = 5.0 mA | 2 |
| Max. Zener impedance (ZZT) | ZZT |  |  | 40 | Ω | @ IZT = 5.0 mA | 2 |
| Max. Zener impedance (ZZK) | ZZK |  |  | 200 | Ω | @ IZK = 1.00 mA | 2 |
| Max. reverse leakage current | IR |  |  | 0.1 | μA | @ VR = 12.0 V | 2 |
| Maximum power dissipation | PD |  |  | 410 | mW | Note 1: mounted on 48 cm2 FR-4 PCB | 1 |
| Thermal resistance junction to ambient | RθJA |  |  | 430 | OC/W | Note 2: mounted on FR-4 PCB with minimum recommended pad | 1 |
| Thermal resistance junction to lead | RθJL |  |  | 320 | OC/W |  | 1 |
| Operating junction and storage temperature range | TJ | -55 |  | 150 | OC |  | 1 |

## CAD (KiCad official)

- Symbol: `BZT52-B16_R1_00001`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bzt52-b16-r1-00001-etched.step` / `bzt52-b16-r1-00001-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52-b16-r1-00001.step` / `bzt52-b16-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/8590196922268225537) (7 pp, sha256 `aa7b58e386144b01`, retrieved 2026-10-18, 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/bzt52-b16-r1-00001-datasheet.pdf)