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Contents

README

markdown

1N5819HW-MS

MSKSEMI · Schottky Diodes · SOD-123

1N5819HW-MS from MSKSEMI, in a SOD-123. 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer MSKSEMI
Package SOD-123
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
Reverse breakdown voltage V(BR) 40 V IR= 1mA 2
Reverse voltage leakage current IR 1 mA VR=40V 2
Forward voltage VF 0.6 V IF=1A 2
Forward voltage VF 0.9 V IF=3A 2
Diode capacitance CD 120 pF VR=4V, f=1MHz 2
Non-repetitive peak reverse voltage VRM 40 V 2
Peak repetitive reverse voltage VRRM 40 V 2
Working peak reverse voltage VRWM 40 V 2
DC blocking voltage VR 40 V 2
RMS reverse voltage VR(RMS) 28 V 2
Average rectified output current IO 1 A 2
Peak forward surge current IFSM 9 A t=8.3ms 2
Repetitive peak forward current IFRM 1.5 A 2
Power dissipation PD 500 mW 2
Thermal resistance junction to ambient RθJA 200 ℃/W 2
Junction temperature TJ 125 ℃ 2
Storage temperature TSTG -55 150 ℃ 2

CAD (KiCad official)

  • Symbol: 1N5819HW-MS
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: 1n5819hw-ms-etched.step / 1n5819hw-ms-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 1n5819hw-ms.step / 1n5819hw-ms.glb are the bare package body.

Provenance

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

  • Datasheet: MSKSEMI datasheet (5 pp, sha256 ac16dec908529ca9, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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