component

BZX584B18V

Public Made by Adom

by adom

Yangzhou Yangjie Elec Tech Zener Diodes, SOD-523(SC-79). Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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BZX584B18V

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

BZX584B18V 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 17.64 18 18.36 V IZT=5mA 2
Dynamic impedance Zzt 45 Ω IZT=5mA 2
Knee dynamic impedance Zzk 212 Ω Izk=1mA 2
Reverse current IR 0.045 uA VR=12.6V 2
Power Dissipation 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

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
contacts tin ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 1

CAD (KiCad official)

  • Symbol: BZX584B18V
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523(SC-79) (KiCad packages3D, STEP)
  • 3D model files: bzx584b18v-etched.step / bzx584b18v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx584b18v.step / bzx584b18v.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 337d56c6b13bc12b, retrieved 2026-10-23, 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