component

SPD9105W-MS

Public Made by Adom

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MSKSEMI Electrostatic And Surge Protection (TVS/ESD), SOD-323. 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 protectionspd9105w-msfactory-2.0.0extractor-text

Verified SPD9105W-MS

by Ray · last 5 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

5 Nov 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: SPD9105W-MS · SOD-323 · 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-323
  • ✓files: 6 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-gk2kcakp/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 1 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: 1 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ spd9105w-ms.kicad_sym✓ spd9105w-ms.kicad_mod✓ spd9105w-ms.step
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Ray Publish 0.1.0 addc8d6 4d ago

SPD9105W-MS

MSKSEMI · Electrostatic And Surge Protection (TVS/ESD) · SOD-323

SPD9105W-MS from MSKSEMI, in a SOD-323. 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-323
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
ESD per IEC 61000-4-2 (Air) VESD -30 30 kV IEC 61000-4-2 (Air) 2
ESD per IEC 61000-4-2 (Contact) VESD -30 30 kV IEC 61000-4-2 (Contact) 2
Operating Temperature Range TJ -40 85 °C 2
Storage Temperature Range Tstg -55 150 °C 2
Reverse Working Voltage VRWM 5 V 3
Breakdown Voltage VBR 6 V IT = 1mA 3
Reverse Leakage Current IR 1 100 nA VRWM = 5V 3
Clamping Voltage VC 10 V IPP = 1A (8 x 20µs pulse) 3
Clamping Voltage VC 18 V IPP = 18A (8 x 20µs pulse) 3
Peak Pulse Current IPP 18 A tp=8/20µs 3
Junction Capacitance CJ 1 pF VR = 0V, f = 1MHz 3

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.  UL Flammability Classification Rating94V-0 2

CAD (KiCad official)

  • Symbol: SPD9105W-MS
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: MSKSEMI datasheet (8 pp, sha256 0d64adb941124b37, retrieved 2026-11-05, 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