component
BZX584B12
Public Made by Adomby adom
Changjing Zener Diodes, SOD-523. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBZX584B12
Changjing · Zener Diodes · SOD-523
BZX584B12 from Changjing, 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (nominal 12 V, type code 2Y2) | VZ | 11.76 | 12 | 12.24 | V | @IZT=5 mA; pulsed, period 5 ms, pulse width 300 µs (Note 2) | 2 |
| Maximum Zener impedance | ZZT | 25 | Ω | @IZT=5 mA; f=1 kHz (Note 3) | 2 | ||
| Maximum Zener impedance (knee) | ZZK | 150 | Ω | @IZK=1.0 mA | 2 | ||
| Maximum reverse current | IR | 0.1 | µA | @VR=8.0 V | 2 | ||
| Typical temperature coefficient | 6 | 10 | mV/°C | @IZT=5 mA | 2 | ||
| Power dissipation | PD | 150 | mW | Note 1: valid provided device terminals are kept at ambient temperature | 1 | ||
| Forward voltage | VF | 0.9 | V | @IF=10mA | 1 | ||
| Operation junction and storage temperature range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 833 | ℃/W | junction to ambient | 1 |
CAD (KiCad official)
- Symbol:
BZX584B12 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
bzx584b12-etched.step/bzx584b12-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzx584b12.step/bzx584b12.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (5 pp, sha256
eef09e8cb7b892ee, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).