1N5408 3A Rectifier Diode

@@ -0,0 +1,45 @@+# 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](https://www.diodes.com/datasheet/download/1N5400G.pdf) (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](docs/1n5408-datasheet.pdf)

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