component
1N4001
Public Made by Adomby adom
MDD Microdiode Semiconductor Diodes - General Purpose, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown1N4001
MDD Microdiode Semiconductor · Diodes - General Purpose · DO-41
1N4001 from MDD Microdiode Semiconductor, in a DO-41. 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 lead, the end marked with the polarity band on the body; 1.0 (25.4) mm minimum lead length, 0.025-0.021 in (0.65-0.55 mm) diameter. |
| 2 | A | passive | Anode lead, the end opposite the polarity band; 1.0 (25.4) mm minimum lead length, 0.025-0.021 in (0.65-0.55 mm) diameter. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MDD Microdiode Semiconductor |
| Package | DO-41 |
| Category | Diodes |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
1N4001 - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD Microdiode Semiconductor datasheet (2 pp, sha256
ffae0d0920118799, retrieved 2026-10-12, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).