# BZT52C22S-TP

**MCC Micro Commercial Components** · Zener Diodes · SOD-323

BZT52C22S-TP from MCC Micro Commercial Components, 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 | MCC Micro Commercial Components |
| 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 | 20.8 | 22 | 23.3 | V | @ IZT = 5 mA | 2 |
| Test Current | IZT |  | 5 |  | mA |  | 2 |
| Maximum Zener Impedance | ZZT |  |  | 55 | Ω | @ IZT, f=1KHz | 2 |
| Maximum Zener Impedance at knee | ZZK |  |  | 250 | Ω | @ IZK = 1.0 mA, f=1KHz | 2 |
| Reverse Current | IR |  |  | 0.1 | µA | @ VR = 15.4 V | 2 |
| Temperature Coefficient |  | 16.4 |  | 20 | mV/℃ | @ IZTC | 2 |
| Maximum Forward Voltage | VF |  |  | 0.9 | V | IF=10mA | 1 |
| Power Dissipation | PD |  |  | 200 | mW |  | 1 |
| Operating Junction Temperature Range | TJ | -65 |  | 150 | °C |  | 1 |
| Storage Temperature Range | TSTG | -65 |  | 150 | °C |  | 1 |
| Thermal Resistance Junction to Ambient | RθJA |  | 625 |  | °C/W | Junction to Ambient | 1 |
| Zener Voltage Tolerance |  | -5 |  | 5 | % | Standard Zener voltage tolerance | 2 |

## CAD (KiCad official)

- Symbol: `BZT52C22S-TP`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `bzt52c22s-tp-etched.step` / `bzt52c22s-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52c22s-tp.step` / `bzt52c22s-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC Micro Commercial Components datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225604806008832) (4 pp, sha256 `abc424bc2d376df8`, 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/bzt52c22s-tp-datasheet.pdf)