component
MF-ASML020
Public Made by Adomby adom
BOURNS Resettable Fuses, 0402. 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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README
markdownMF-ASML020
BOURNS · Resettable Fuses · 0402
MF-ASML020 from BOURNS, in a 0402. 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 | 0402 |
| 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 resistance at 23 °C (Rmin) | Rmin | 0.1 | Ω | at 23 °C, still air | 1 | ||
| Maximum resistance at 23 °C (R1max) | R1max | 1.6 | Ω | at 23 °C | 1 | ||
| Maximum time to trip | 1 | s | At 1.0 A, Vmax, 23 °C, still air | 1 | |||
| Passive aging resistance change | -10 | 10 | % | +85 °C, 1000 hours; typical resistance change | 1 | ||
| Humidity aging resistance change | -30 | 30 | % | +85 °C, 85 % R.H., 24 hours; typical resistance change | 1 | ||
| Thermal shock resistance change | -30 | 30 | % | -40 °C to +85 °C, 20 times; typical resistance change | 1 | ||
| Maximum voltage | Vmax | 6 | V | 1 | |||
| Maximum interrupt current | Imax | 50 | A | 1 | |||
| Operating temperature | -40 | 85 | °C | 1 | |||
| Hold current | Ihold | 0.2 | A | at 23 °C | 1 | ||
| Trip current | Itrip | 0.5 | A | at 23 °C | 1 | ||
| Tripped power dissipation | 0.5 | W | at 23 °C | 1 | |||
| Hold current derating | Ihold | 0.32 | A | Ambient -40 °C | 2 | ||
| Hold current derating | Ihold | 0.28 | A | Ambient -20 °C | 2 | ||
| Hold current derating | Ihold | 0.24 | A | Ambient 0 °C | 2 | ||
| Hold current derating | Ihold | 0.2 | A | Ambient 23 °C | 2 | ||
| Hold current derating | Ihold | 0.16 | A | Ambient 40 °C | 2 | ||
| Hold current derating | Ihold | 0.14 | A | Ambient 50 °C | 2 | ||
| Hold current derating | Ihold | 0.12 | A | Ambient 60 °C | 2 | ||
| Hold current derating | Ihold | 0.1 | A | Ambient 70 °C | 2 | ||
| Hold current derating | Ihold | 0.08 | A | Ambient 85 °C | 2 |
CAD (KiCad official)
- Symbol:
MF-ASML020 - Footprint:
Fuse:Fuse_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
mf-asml020-etched.step/mf-asml020-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mf-asml020.step/mf-asml020.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BOURNS datasheet (6 pp, sha256
53c7ba6c9ff953c5, retrieved 2026-10-18, 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).