component
SF18G
Public Made by Adomby adom
DIYI Elec Tech Diodes - Fast Recovery Rectifiers, DO-41. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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SF18G
DIYI Elec Tech · Diodes - Fast Recovery Rectifiers · DO-41
SF18G from DIYI Elec Tech, 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DIYI Elec Tech |
| Package | DO-41 |
| 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 |
|---|---|---|---|---|---|---|---|
| Average Rectified Output Current (Note 1, leads at 9.5 mm, @T=90℃) | IF(AV) | 1 | A | @T=90℃, leads at 9.5mm (Note 1) | 1 | ||
| Peak Forward Surge Current | IFSM | 35 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | 1 | ||
| Operating Temperature Range | TJ | -55 | 150 | ℃ | 1 | ||
| Storage Temperature Range | TSTG | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
SF18G - 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: DIYI Elec Tech datasheet (3 pp, sha256
21ce4265f705bf39, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).