component

HCESD523NC3V3B

Public Made by Adom

by adom

HXY MOSFET Electrostatic And Surge Protection (TVS/ESD), 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.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 17d ago
viewers hcesd523nc3v3b: symbol repaired (bidirectional TVS (the page says so)) · Ray 5d ago
hcesd523nc3v3b-etched.glb Publish 0.1.0 · Ray 17d ago
hcesd523nc3v3b-etched.step hcesd523nc3v3b: factory component page (tier=lcsc) · Ray 17d ago
hcesd523nc3v3b-hero.glb hcesd523nc3v3b: hero GLB from the etched model (keeps the MPN mark) · Ray 17d ago
hcesd523nc3v3b-hero.overlay.json Publish 0.1.0 · Ray 17d ago
hcesd523nc3v3b.glb Publish 0.1.0 · Ray 17d ago
hcesd523nc3v3b.kicad_mod Publish 0.1.0 · Ray 17d ago
hcesd523nc3v3b.kicad_sym hcesd523nc3v3b: symbol repaired (bidirectional TVS (the page says so)) · Ray 5d ago
hcesd523nc3v3b.lbr hcesd523nc3v3b: symbol repaired (bidirectional TVS (the page says so)) · Ray 5d ago
hcesd523nc3v3b.step Publish 0.1.0 · Ray 17d ago
package.json Publish 0.1.0 · Ray 17d ago
page.json Set visibility: public · Ray 17d ago
README.md Publish 0.1.0 · Ray 17d ago

HCESD523NC3V3B

HXY MOSFET · Electrostatic And Surge Protection (TVS/ESD) · SOD-523

HCESD523NC3V3B from HXY MOSFET, 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 bidirectional ESD/TVS diode; either orientation.
2 2 passive Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation.

Key specifications

Parameter Value
Manufacturer HXY MOSFET
Package SOD-523
Category Circuit 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 Stand-Off (Working) Voltage VRWM 3.3 V 2
Reverse Leakage Current IR 1 uA @ VRWM 2
Breakdown Voltage VBR 5.6 V @ IT = 1.0 mA 2
Clamping Voltage VC 11 V @ Max IPP, 8/20us 2
Peak Pulse Current IPP 9 A surge waveform per Figure 1 2
Peak Pulse Power PPK 100 W surge waveform per Figure 1 2
Device Capacitance C 15 7.8 pF 2
Peak Pulse Power PPP 100 W tp = 8/20us 1
Maximum lead temperature for soldering TL 260 °C during 10s 1
Storage Temperature Range Tstg -55 155 °C 1
Operating Temperature Range Top -40 125 °C 1
Maximum junction temperature Tj 150 °C 1
IEC61000-4-2 ESD air discharge -15 15 KV IEC61000-4-2 air discharge 1
IEC61000-4-2 ESD contact discharge -8 8 KV IEC61000-4-2 contact discharge 1
IEC61000-4-4 EFT 40 A IEC61000-4-4 1
ESD Voltage Per Human Body Model 16 KV Human Body Model 1

CAD (KiCad official)

  • Symbol: HCESD523NC3V3B
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: hcesd523nc3v3b-etched.step / hcesd523nc3v3b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hcesd523nc3v3b.step / hcesd523nc3v3b.glb are the bare package body.

Provenance

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

  • Datasheet: HXY MOSFET datasheet (4 pp, sha256 e42dba49e59dd4b5, retrieved 2026-10-23, 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