# BZT52C4V3-TP

**MCC(Micro Commercial Components)** · Zener Diodes · SOD-123

BZT52C4V3-TP from MCC(Micro Commercial Components), 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 | 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-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 |
|---|---|---|---|---|---|---|---|
| Zener Voltage | VZ | 4 | 4.3 | 4.6 | V | @ IZT = 5 mA (BZT52C4V3 row) | 2 |
| Maximum Zener Impedance | ZZT |  |  | 90 | Ω | @ IZT = 5 mA, f = 1 kHz (Note 2) | 2 |
| Maximum Zener Impedance | ZZK |  |  | 600 | Ω | @ IZK = 1.0 mA | 2 |
| Maximum Reverse Current | IR |  |  | 3 | µA | @ VR = 1.0 V | 2 |
| Typical Temperature Coefficient |  | -3.5 |  | 0 | mV/℃ | @ IZTC (test current not printed in row) | 2 |
| Maximum Forward Voltage | VF |  |  | 0.9 | V | IF = 10 mA | 1 |
| Power Dissipation | PD |  |  | 500 | mW |  | 1 |
| Operating Junction Temperature Range |  | -65 |  | 150 | °C |  | 1 |
| Storage Temperature Range |  | -65 |  | 150 | °C |  | 1 |
| Thermal Resistance Junction to Ambient |  |  | 250 |  | °C/W | Junction to Ambient | 1 |

## CAD (KiCad official)

- Symbol: `BZT52C4V3-TP`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bzt52c4v3-tp-etched.step` / `bzt52c4v3-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52c4v3-tp.step` / `bzt52c4v3-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC(Micro Commercial Components) datasheet](docs/bzt52c4v3-tp-datasheet.pdf) (4 pp, sha256 `7f1e958a77d53c9d`, retrieved 2026-10-30, 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/bzt52c4v3-tp-datasheet.pdf)