# BZX584B20V

**Yangzhou Yangjie Elec Tech** · Zener Diodes · SOD-523(SC-79)

BZX584B20V from Yangzhou Yangjie Elec Tech, in a SOD-523(SC-79). 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-523(SC-79) |
| 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 | 19.6 | 20 | 20.4 | V | IZT=5mA | 2 |
| Dynamic Impedance | Zzt |  |  | 55 | Ω | IZT=5mA | 2 |
| Dynamic Impedance at knee | Zzk |  |  | 212 | Ω | Izk=1mA | 2 |
| Reverse Current | IR |  |  | 0.045 | uA | VR=14V | 2 |
| Power Dissipation at Ta=25℃ | PD |  |  | 200 | mW | Ta=25℃ | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 1 |
| Maximum Junction Temperature | TJ | -55 |  | 150 | °C |  | 1 |
| Forward Voltage | VF |  |  | 1 | V | @10mA | 1 |
| Thermal Resistance Junction to Ambient Air | RθJA |  |  | 625 | °C/W |  | 1 |

## CAD (KiCad official)

- Symbol: `BZX584B20V`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523(SC-79) (KiCad packages3D, STEP)
- 3D model files: `bzx584b20v-etched.step` / `bzx584b20v-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzx584b20v.step` / `bzx584b20v.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/8590173878464118784) (5 pp, sha256 `337d56c6b13bc12b`, retrieved 2026-10-14, 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/bzx584b20v-datasheet.pdf)