# BZX584C11

**hongjiacheng** · Zener Diodes · SOD-523

BZX584C11 from hongjiacheng, in a SOD-523. 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, marked by the cathode band; the Zener voltage is 11 V nominal (10.4 V to 11.6 V) at IZT = 5 mA for BZX584C11. |
| 2 | A | passive | Anode; the diode is rated for 150 mW power dissipation and has a forward voltage of 0.9 V at IF = 10 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | hongjiacheng |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse zener voltage | VZ | 10.4 | 11 | 11.6 | V | @ IZT = 5 mA (IZT column for this row) | 2 |
| Typical temperature coefficient |  | 5.4 |  | 9 | mV/℃ |  | 2 |
| Maximum Zener impedance @ IZT | ZZT |  | 20 | 20 | Ω | @ IZT = 5 mA | 2 |
| Maximum Zener impedance @ IZK | ZZK |  | 150 | 150 | Ω | @ IZK = 1 mA | 2 |
| Reverse leakage current | IR |  | 0.1 |  | μA | @ VR = 8 V | 2 |
| Power dissipation | PD |  |  | 150 | mW |  | 1 |
| Forward voltage | VF |  | 0.9 |  | V | @ IF = 10 mA | 1 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 1 |
| Junction temperature | Tj | -55 |  | 150 | ℃ |  | 1 |
| Typical thermal resistance, junction to ambient | RθJ-A |  | 833 |  | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `BZX584C11`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `bzx584c11-etched.step` / `bzx584c11-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzx584c11.step` / `bzx584c11.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [hongjiacheng datasheet](docs/bzx584c11-datasheet.pdf) (4 pp, sha256 `c4ac9f75220354ce`, retrieved 2026-10-21, 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/bzx584c11-datasheet.pdf)