# BZT52B7V5SQ

**Yangzhou Yangjie Elec Tech** · Zener Diodes · SOD-323

BZT52B7V5SQ from Yangzhou Yangjie Elec Tech, 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 | Yangzhou Yangjie Elec Tech |
| 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 | 7.35 | 7.5 | 7.65 | V | Izt=5 mA | 2 |
| Zener Test Current | Izt |  | 5 |  | mA |  | 2 |
| Dynamic Impedance | Zzt |  |  | 15 | Ω | IZt=5 mA | 2 |
| Knee Dynamic Impedance | Zzk |  |  | 80 | Ω | Izk=1.0 mA | 2 |
| Reverse Leakage Current | IR |  |  | 1 | μA | VR=5.0 V | 2 |
| Typical Temperature Coefficient |  | 2.5 |  | 5.3 | mV/℃ | IZTC=5 mA | 2 |
| Maximum Forward Voltage | VF |  |  | 0.9 | V | IF=10 mAdc | 1 |
| Power Dissipation | PD |  |  | 300 | mW | Ta=25℃ | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 1 |
| Junction Temperature | TJ | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance Junction to Ambient Air | RθJA |  |  | 415 | °C /W |  | 1 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing |  | black | 4. Body color: Black | 5 |
| contacts |  | tin | ● Terminals: Tin plated leads, solderable per J-STD￾002 and JESD22-B102 ● Polarity: Cathode line denotes the cathode end | 1 |

## CAD (KiCad official)

- Symbol: `BZT52B7V5SQ`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `bzt52b7v5sq-etched.step` / `bzt52b7v5sq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52b7v5sq.step` / `bzt52b7v5sq.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603042823734513664) (6 pp, sha256 `0f747d73806fc0f7`, 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/bzt52b7v5sq-datasheet.pdf)