component
MF-USMF020-2
Public Made by Adomby adom
BOURNS Resettable Fuses, 1210. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 17d ago |
| viewers | 17d ago |
| mf-usmf020-2-etched.glb | 17d ago |
| mf-usmf020-2-etched.step | 17d ago |
| mf-usmf020-2-hero.glb | 17d ago |
| mf-usmf020-2-hero.overlay.json | 17d ago |
| mf-usmf020-2.glb | 17d ago |
| mf-usmf020-2.kicad_mod | 17d ago |
| mf-usmf020-2.kicad_sym | 17d ago |
| mf-usmf020-2.lbr | 17d ago |
| mf-usmf020-2.step | 17d ago |
| package.json | 17d ago |
| page.json | 17d ago |
| README.md | 17d ago |
MF-USMF020-2
BOURNS · Resettable Fuses · 1210
MF-USMF020-2 from BOURNS, in a 1210. 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 MF-USMF020 PTC resettable fuse (Ihold 0.20 A, Vmax 30 V, Imax 10 A), interchangeable with the other terminal. |
| 2 | 2 | passive | Non-polarized terminal of the MF-USMF020 PTC resettable fuse (Ihold 0.20 A, Vmax 30 V, Imax 10 A), interchangeable with the other terminal. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | 1210 |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance, minimum (at 23 °C) | RMin. | 0.4 | Ohms | 1 | |||
| Resistance, maximum (at 23 °C) | R1Max. | 5 | Ohms | 1 | |||
| Maximum voltage (Vmax) | V max. | 30 | Volts | 1 | |||
| Maximum current (Imax) | I max. | 10 | Amps | 1 | |||
| Hold current (at 23 °C) | Ihold | 0.2 | Amperes | at 23 °C | 1 | ||
| Trip current (at 23 °C) | Itrip | 0.4 | Amperes | at 23 °C | 1 | ||
| Max. time to trip (at 23 °C) | 8 | Seconds | At specified current, Vmax, 23 °C | 1 | |||
| Tripped power dissipation (at 23 °C) | 0.6 | Watts | at 23 °C | 1 | |||
| Resistance change, passive aging | -5 | 5 | % | +85 °C, 1000 hours; typical resistance change | 1 | ||
| Resistance change, humidity aging | -5 | 5 | % | +85 °C, 85 % R.H. 1000 hours; typical resistance change | 1 | ||
| Resistance change, thermal shock | -10 | 10 | % | +85 °C to -40 °C, 20 times; typical resistance change | 1 | ||
| Operating temperature range | -40 | 85 | °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 | 2 |
CAD (KiCad official)
- Symbol:
MF-USMF020-2 - Footprint:
Fuse:Fuse_1210_3225Metric - 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files:
mf-usmf020-2-etched.step/mf-usmf020-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mf-usmf020-2.step/mf-usmf020-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (4 pp, sha256
74014e5b17460aca, retrieved 2026-10-18, 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).