component
MF-MSMF010-2
Public Made by Adomby adom
BOURNS 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.
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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Contents
README
markdownMF-MSMF010-2
BOURNS · Resettable Fuses · 1812
MF-MSMF010-2 from BOURNS, 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 | BOURNS |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum voltage (Vmax) | Vmax | 60 | V | 1 | |||
| Maximum current (Imax) | Imax | 40 | A | 1 | |||
| Resistance minimum (RMin) | RMin | 0.7 | Ohms | at 23 °C | 1 | ||
| Resistance maximum (R1Max) | R1Max | 15 | Ohms | at 23 °C | 1 | ||
| Max. time to trip | 1.5 | s | at 0.5 A, at 23 °C | 1 | |||
| Operating temperature | -40 | 85 | °C | 3 | |||
| Recommended storage temperature | 40 | °C | 70 % R.H. max. | 3 | |||
| Passive aging resistance change | -5 | 5 | % | +85 °C, 1000 hours; typical resistance change | 3 | ||
| Humidity aging resistance change | -5 | 5 | % | +85 °C, 85 % R.H., 1000 hours; typical resistance change | 3 | ||
| Thermal shock resistance change | -10 | 10 | % | -40 °C to +85 °C, 20 times; typical resistance change | 3 | ||
| Tripped power dissipation | 0.8 | W | at 23 °C | 1 | |||
| Hold current (Ihold) | Ihold | 0.1 | A | at 23 °C | 1 | ||
| Trip current (Itrip) | Itrip | 0.3 | A | at 23 °C | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | gold | Terminal material: Electroless Ni under immersion Au | 7 |
CAD (KiCad official)
- Symbol:
MF-MSMF010-2 - Footprint:
Fuse:Fuse_1812_4532Metric - 3D model: 1812 (KiCad packages3D, STEP)
- 3D model files:
mf-msmf010-2-etched.step/mf-msmf010-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mf-msmf010-2.step/mf-msmf010-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (16 pp, sha256
50d8022858184247, retrieved 2026-10-28, tier: manufacturer) - 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).