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SRF1812P200
Public Made by Adomby adom
prosemi Resettable Fuses, 1812. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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SRF1812P200
prosemi · Resettable Fuses · 1812
SRF1812P200 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
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 |
|---|---|---|---|---|---|---|---|
| Minimum trip current | IT | 4 | A | 25°C still air (datasheet definition of IT) | 1 | ||
| Maximum hold current | IH | 2 | A | 25°C still air (datasheet definition of IH) | 1 | ||
| Maximum continuous voltage | Vmax | 24 | V | at rated current | 1 | ||
| Maximum fault current | Imax | 100 | A | at rated voltage | 1 | ||
| Minimum resistance (initial, un-soldered) | Rmin | 0.02 | Ω | initial (un-soldered) state | 1 | ||
| Maximum resistance at 25°C after reflow | R1max | 0.1 | Ω | 25°C, measured one hour after reflow | 1 | ||
| Maximum time to trip | Ttrip | 8 | s | 1 | |||
| Typical power dissipation | Pd | 0.8 | W | typical, still air | 1 | ||
| Ambient operating temperature range | -40 | 85 | °C | ambient operating temperature, per thermal derating chart | 1 |
CAD (KiCad official)
- Symbol:
SRF1812P200 - 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:
srf1812p200-etched.step/srf1812p200-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);srf1812p200.step/srf1812p200.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: prosemi datasheet (3 pp, sha256
faf2fa488ca92e34, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).
# SRF1812P200
**prosemi** · Resettable Fuses · 1812
SRF1812P200 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
## 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 |
|---|---|---|---|---|---|---|---|
| Minimum trip current | IT | 4 | | | A | 25°C still air (datasheet definition of IT) | 1 |
| Maximum hold current | IH | | | 2 | A | 25°C still air (datasheet definition of IH) | 1 |
| Maximum continuous voltage | Vmax | | | 24 | V | at rated current | 1 |
| Maximum fault current | Imax | | | 100 | A | at rated voltage | 1 |
| Minimum resistance (initial, un-soldered) | Rmin | 0.02 | | | Ω | initial (un-soldered) state | 1 |
| Maximum resistance at 25°C after reflow | R1max | | | 0.1 | Ω | 25°C, measured one hour after reflow | 1 |
| Maximum time to trip | Ttrip | | | 8 | s | | 1 |
| Typical power dissipation | Pd | | 0.8 | | W | typical, still air | 1 |
| Ambient operating temperature range | | -40 | | 85 | °C | ambient operating temperature, per thermal derating chart | 1 |
## CAD (KiCad official)
- Symbol: `SRF1812P200`
- 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: `srf1812p200-etched.step` / `srf1812p200-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `srf1812p200.step` / `srf1812p200.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [prosemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921206097137664) (3 pp, sha256 `faf2fa488ca92e34`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/srf1812p200-datasheet.pdf)