component

HY05U-523

Public Made by Adom

by adom

Leiditech ESD Protection Devices, 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.

componenttvs-fuse-board level protectionhy05u-523factory-2.0.0extractor-text

Verified HY05U-523

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier lcsc, 2 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: HY05U-523 · SOD-523 · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: D_SOD-523
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-fquv8xo1/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.3)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ hy05u-523.kicad_sym✓ hy05u-523.kicad_mod✓ hy05u-523.step
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hy05u-523 / README.md
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Ray Publish 0.1.0 10bc541 11d ago

HY05U-523

Leiditech · ESD Protection Devices · SOD-523

HY05U-523 from Leiditech, 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 1 passive Terminal 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer Leiditech
Package SOD-523
Category TVS/Fuse/Board Level Protection
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 working (stand-off) voltage VRWM 5 V 2
Breakdown voltage VBR 6 V IT = 1 mA 2
Clamping voltage @1A VC 9.8 V @1A 2
Clamping voltage VC 18 V @4A 2
Reverse leakage current IR 1 μA 2
Capacitance C 0.5 pF 2
Peak Pulse Power Ppp 200 W 8/20µs, Tamb=25°C 1
ESD per IEC 61000-4-2 (Air) VESD -30 30 kV Tamb=25°C 1
ESD per IEC 61000-4-2 (Contact) VESD -30 30 kV Tamb=25°C 1
Operating Temperature Range TJ -55 125 °C 1
Storage Temperature Range TSTJ -55 150 °C 1

CAD (KiCad official)

  • Symbol: HY05U-523
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Leiditech datasheet (3 pp, sha256 83847cc3c8cc6382, retrieved 2026-10-30, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal 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