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1N5408 3A Rectifier Diode

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by adom

3 A, 1000 V general-purpose glass-passivated rectifier in axial DO-201AD.

dioderectifierpower1000v3ado-201addiodes
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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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1N5408

Diodes Incorporated · Rectifier Diode · DO-201AD

The 1N5408 is a 3 A general-purpose rectifier rated to 1000 V reverse voltage, part of the 1N5400 glass-passivated series. Its axial DO-201AD package suits through-hole power supplies, freewheeling, and general rectification where high reverse voltage is needed.

Pinout

Pin Name Type Function
1 K passive Cathode terminal of the rectifier diode, identified by the printed band on the DO-201AD case. Blocks reverse current up to VRRM = 1000V for the 1N5408G variant.
2 A passive Anode terminal of the rectifier diode. Conventional forward current flows from anode to cathode when VF > ~0.7V (typ 1.1V at IF = 3.0A).

Key specifications

Parameter Value
Type General-purpose rectifier
Average forward current (IO) 3 A
Peak repetitive reverse voltage (VRRM) 1000 V
Forward voltage (VF) 1.0 V at 3 A
Peak surge current (IFSM) 200 A
Reverse recovery Standard (not fast)
Operating temperature -65 C to 150 C

Ordering variants

  • 1N5408G-B
  • 1N5408G-T

CAD (KiCad official)

  • Symbol: 1n5408.kicad_sym
  • Footprint: 1n5408.kicad_mod
  • 3D model: Axial DO-201AD body from KiCad Diode_THT/D_DO-201AD_P15.24mm_Horizontal.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (3 pp, sha256 a8a9a95573279586, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF