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ESD5B5CL

Public Made by Adom

by adom

WPMtek(Wei Pan Microelectronics) 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.

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ESD5B5CL

WPMtek(Wei Pan Microelectronics) · ESD Protection Devices · SOD-523

ESD5B5CL from WPMtek(Wei Pan Microelectronics), 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 WPMtek(Wei Pan Microelectronics)
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 Working Voltage VRWM 5 V 2
Breakdown Voltage VBR 6 8 V IT = 1mA 2
Reverse Leakage Current IR 0.2 μA VRWM = 5V 2
Clamping Voltage VC 8.5 9 V IPP = 1A (8 x 20µs pulse) 2
Clamping Voltage VC 10 12 V IPP = 2.5A (8 x 20µs pulse) 2
Junction Capacitance CJ 5 pF VR = 0V, f = 1MHz 2
Peak Pulse Power Ppk 30 W 8/20µs, TA=25°C 2
Peak Pulse Current Ipp 2.5 A 8/20µs, TA=25°C 2
ESD per IEC 61000-4-2 (Air) VESD -25 25 kV TA=25°C 2
ESD per IEC 61000-4-2 (Contact) VESD -22 22 kV TA=25°C 2
Operating Temperature Range TJ -55 125 °C 2
Storage Temperature Range Tstg -55 150 °C 2

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  Lead Finish: Matte Tin  Case Material: “Green” Molding Compound. 1

CAD (KiCad official)

  • Symbol: ESD5B5CL
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: esd5b5cl-etched.step / esd5b5cl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); esd5b5cl.step / esd5b5cl.glb are the bare package body.

Provenance

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

  • Datasheet: WPMtek(Wei Pan Microelectronics) datasheet (5 pp, sha256 2aac6c03a40b342f, retrieved 2026-10-22, 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