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MSESD5Z3.3C

Public Made by Adom

by adom

MSKSEMI 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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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

MSESD5Z3.3C

MSKSEMI · ESD Protection Devices · SOD-523

MSESD5Z3.3C from MSKSEMI, 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 MSKSEMI
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 Peak 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 11.6 V @ IPP=5 A 2
Clamping Voltage at Max IPP VC 18.6 V @ Max IPP 2
Maximum Peak Pulse Current IPP 9.4 A 2
Peak Pulse Power PPK 174 W 2
Capacitance C 25 pF 2
Forward Voltage VF 0.9 V IF = 10mA 2
Peak Pulse Power PPP 200 W tp = 8/20μs 2
Maximum lead temperature for soldering TL 260 °C 10s 2
Storage Temperature Range Tstg -55 155 °C 2
Operating Temperature Range Top -40 125 °C 2
Maximum junction temperature Tj 150 °C 2
IEC61000-4-2 ESD air discharge -30 30 KV IEC61000-4-2 air discharge 2
IEC61000-4-2 ESD contact discharge -30 30 KV IEC61000-4-2 contact discharge 2
IEC61000-4-4 EFT 40 A IEC61000-4-4 2
ESD Voltage Human Body Model 16 KV Human Body Model 2

CAD (KiCad official)

  • Symbol: MSESD5Z3.3C
  • Footprint: Diode_SMD:D_SOD-523
  • 3D model: SOD-523 (KiCad packages3D, STEP)
  • 3D model files: msesd5z3-3c-etched.step / msesd5z3-3c-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msesd5z3-3c.step / msesd5z3-3c.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (5 pp, sha256 bc13f5cd892bc58b, 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