component

BZT52C18

Public Made by Adom

by adom

hongjiacheng Zener Diodes, SOD-123. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint convention, KiCad symbol/footprint/3D.

componentdiodesbzt52c18factory-2.0.0extractor-text

Verified BZT52C18

by Ray · last 11 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

11 Nov 2026RayPublished by the parts factory: tier mfr, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: BZT52C18 · SOD-123 · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: all 2 pin names found in the 4-page datasheet
  • ✓distributor: lcsc C19077414, digikey 4878-BZT52C18CT-ND, mouser 637-BZT52C18
  • ✓family: D_SOD-123
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-rx3dsf30/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓symbol_text: no pin names collide
  • ✓viewers: viewers/footprint.html 17 kB, viewers/symbol.html 6 kB
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ bzt52c18.kicad_sym✓ bzt52c18.kicad_mod✓ bzt52c18.step
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Ray Publish 0.1.0 969a97b

BZT52C18

hongjiacheng · Zener Diodes · SOD-123

BZT52C18 from hongjiacheng, in a SOD-123. 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 hongjiacheng
Package SOD-123
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
Z-voltage range VZ 16.8 19.1 V IZ = 5 mA 2
Dynamic resistance rzj 45 Ω f = 1 kHz 2
Temperature coefficient of Z-voltage αVZ 3 11 10^-4/°C 2
Z-current IZmax 26 mA TA = 25°C 2
Power dissipation Ptot 500 mW Mounted on P.C. board with 25 mm2 copper pads per terminal 1
Junction temperature Tj -50 150 °C 1
Storage temperature TS -50 150 °C 1
Thermal resistance junction to ambient RthA 250 K/W Mounted on P.C. board with 25 mm2 copper pads per terminal 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 copper copper pads per terminal, Montage auf Leiterplatte mit 25 mm2 Lötpads je Anschluss 1

CAD (KiCad official)

  • Symbol: BZT52C18
  • Footprint: Diode_SMD:D_SOD-123
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: bzt52c18-etched.step / bzt52c18-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzt52c18.step / bzt52c18.glb are the bare package body.

Provenance

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

  • Datasheet: hongjiacheng datasheet (4 pp, sha256 8acbac11ad4a7574, retrieved 2026-11-11, tier: manufacturer)
  • 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