component
043501.5KRHF
Public Made by Adomby adom
Littelfuse Disposable 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
markdown043501.5KRHF
Littelfuse · Disposable Fuses · 0402
043501.5KRHF from Littelfuse, 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 | Littelfuse |
| 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 |
|---|---|---|---|---|---|---|---|
| Opening time at 100% of ampere rating | 4 | hours | 100% of rating, at 25ºC, 0.250A-5A range; minimum | 1 | |||
| Insulation resistance after opening | 10000 | Ohms | After opening; printed as 'Greater than 10,000Ohms' | 3 | |||
| Opening time at 200% of ampere rating | 5 | secs. | 200% of rating, at 25ºC, 0.375A-5A range; maximum | 1 | |||
| Opening time at 300% of ampere rating | 0.2 | sec. | 300% of rating, at 25ºC, 0.375A-5A range; maximum | 1 | |||
| Max voltage rating | 32 | V | 1.5A (amp code 01.5) row | 1 | |||
| Interrupting rating | 35 | A | @32VDC; measured at rated voltage | 1 | |||
| Operating temperature | -55 | 90 | ºC | Consult temperature re-rating curve; contact Littelfuse above 90ºC | 3 | ||
| Nominal cold resistance | 0.04701 | Ohms | Measured at 10% of rated current, 25ºC | 1 | |||
| Nominal melting I2t | I2t | 0.056 | A2sec | 1 | |||
| Nominal voltage drop | 86.7 | mV | 1 | ||||
| Nominal power dissipation | 0.13005 | W | 1 |
CAD (KiCad official)
- Symbol:
043501.5KRHF - Footprint:
Fuse:Fuse_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
043501-5krhf-etched.step/043501-5krhf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);043501-5krhf.step/043501-5krhf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (3 pp, sha256
681e3229f7e6bf9b, retrieved 2026-10-19, 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).