component
1N4737A
Public Made by Adomby adom
Nexperia Zener Diodes, 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
markdown1N4737A
Nexperia · Zener Diodes · DO-41
1N4737A from Nexperia, 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 | cathode | passive | Cathode, identified by the marking band on the package (datasheet note [1]: the marking band indicates the cathode). |
| 2 | anode | passive | Anode, the second axial lead of the two-lead SOD66 (DO-41) package. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | DO-41 |
| Category | Diodes |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
1N4737A - 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: Nexperia datasheet (10 pp, sha256
65bff8381f8f1f77, retrieved 2026-10-12, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).