component
SRF1812P110
Public Made by Adomby adom
prosemi Resettable Fuses, 1812. 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
markdownSRF1812P110
prosemi · Resettable Fuses · 1812
SRF1812P110 from prosemi, in a 1812. 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 | 1 | passive | Non-polarized terminal of the PTC resettable fuse (IH 1.10 A hold, IT 2.20 A trip, Vmax 33 V, Imax 100 A), interchangeable with the other terminal. |
| 2 | 2 | passive | Non-polarized terminal of the PTC resettable fuse (IH 1.10 A hold, IT 2.20 A trip, Vmax 33 V, Imax 100 A), interchangeable with the other terminal. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | prosemi |
| Package | 1812 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current (IH) at 25°C still air | IH | 1.1 | A | 25°C still air | 1 | ||
| Trip current (IT) | IT | 2.2 | A | 25°C still air | 1 | ||
| Maximum continuous voltage (Vmax) | Vmax | 33 | V | at rated current | 1 | ||
| Maximum fault current (Imax) | Imax | 100 | A | at rated voltage | 1 | ||
| Hold current at ambient -40°C | IH | 1.6 | A | ambient operating temperature -40°C | 1 | ||
| Hold current at ambient -20°C | IH | 1.45 | A | ambient operating temperature -20°C | 1 | ||
| Hold current at ambient 0°C | IH | 1.28 | A | ambient operating temperature 0°C | 1 | ||
| Hold current at ambient 25°C | IH | 1.1 | A | ambient operating temperature 25°C | 1 | ||
| Hold current at ambient 40°C | IH | 0.92 | A | ambient operating temperature 40°C | 1 | ||
| Hold current at ambient 50°C | IH | 0.83 | A | ambient operating temperature 50°C | 1 | ||
| Hold current at ambient 60°C | IH | 0.71 | A | ambient operating temperature 60°C | 1 | ||
| Hold current at ambient 70°C | IH | 0.66 | A | ambient operating temperature 70°C | 1 | ||
| Hold current at ambient 85°C | IH | 0.52 | A | ambient operating temperature 85°C | 1 |
CAD (KiCad official)
- Symbol:
SRF1812P110 - Footprint:
Fuse:Fuse_1812_4532Metric - 3D model: 1812, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal 1806 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
srf1812p110-etched.step/srf1812p110-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);srf1812p110.step/srf1812p110.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: prosemi datasheet (3 pp, sha256
f7de331f3db07829, retrieved 2026-10-19, 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).