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SS54-MS

Public Made by Adom

by adom

MSKSEMI Diodes - General Purpose, DO-214AC. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SS54-MS

MSKSEMI · Diodes - General Purpose · DO-214AC

SS54-MS from MSKSEMI, in a DO-214AC. 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 K passive Cathode terminal, marked by the color band on the package body; the SS54 is rated for 40 V VRRM/VDC and 5.0 A average forward current.
2 A passive Anode terminal at the end opposite the color band; maximum forward voltage is stated at 5.0 A DC.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package DO-214AC
Category Diodes
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
Maximum Forward Voltage VF 0.55 V at 5.0A DC 2
Maximum DC Reverse Current IR 0.2 mA TJ=25℃, at rated DC blocking voltage 2
Maximum DC Reverse Current IR 20 mA TJ=100℃, at rated DC blocking voltage 2
Maximum Recurrent Peak Reverse Voltage VRRM 40 V 2
Maximum RMS Voltage VRMS 28 V 2
Maximum DC Blocking Voltage VDC 40 V 2
Maximum Average Forward Rectified Current I(AV) 5 A 0.375″ (9.5mm) lead lengths 2
Peak Forward Surge Current IFSM 100 A 8.3ms single half sine-wave superimposed on rated load (JEDEC method) 2
Operating Temperature Range TJ -55 150 ℃ 2
Storage Temperature Range TSTG -55 150 ℃ 2
Typical Junction Capacitance CJ 500 pF Measured at 1.0 MHz and applied reverse voltage of 4.0V DC 2
Typical Thermal Resistance, junction to ambient RθJA 15 ℃/W 2

CAD (KiCad official)

  • Symbol: SS54-MS
  • Footprint: Diode_SMD:D_SMA
  • 3D model: DO-214AC (KiCad packages3D, STEP)
  • 3D model files: ss54-ms-etched.step / ss54-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ss54-ms.step / ss54-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (5 pp, sha256 a18fb516676bd7db, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (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