component
0402L010SLKR
Public Made by Adomby adom
Littelfuse 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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Contents
README
markdown0402L010SLKR
Littelfuse · Resettable Fuses · 0402
0402L010SLKR 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 |
|---|---|---|---|---|---|---|---|
| Minimum resistance (initial, R min) | Rmin | 0.15 | Ω | 0402L010SL row, Electrical Characteristics table | 2 | ||
| Maximum resistance (initial, R1max) | R1max | 2 | Ω | 0402L010SL row, Electrical Characteristics table | 2 | ||
| Maximum voltage rating (Vmax) | Vmax | 6 | Vdc | 0402L010SL row | 2 | ||
| Maximum fault current (Imax) | Imax | 40 | A | 0402L010SL row | 2 | ||
| Maximum time-to-trip | 1 | s | At 0.50 A (current/time pair printed in Maximum Time-To-Trip columns) | 2 | |||
| Operating temperature | -40 | 85 | °C | Environmental Specifications: Operating Temperature | 4 | ||
| Maximum device surface temperature in tripped state | 125 | °C | Tripped state | 4 | |||
| Passive aging resistance change | -10 | 10 | % | +85°C, 1000 hours; typical resistance change | 4 | ||
| Humidity aging resistance change | -15 | 15 | % | +85°C, 85% R.H., 100 hours; typical resistance change | 4 | ||
| Thermal shock resistance change | -30 | % | MIL-STD-202 Method 107, +85°C/-40°C 20 times; typical resistance change | 4 | |||
| Hold current | Ihold | 0.1 | A | 0402L010SL row | 2 | ||
| Trip current | Itrip | 0.3 | A | 0402L010SL row | 2 | ||
| Typical power dissipation | Pd | 0.5 | W | 0402L010SL row | 2 | ||
| Hold current temperature rerating | Ihold | 0.14 | A | Ambient -40°C (reference only) | 3 | ||
| Hold current temperature rerating | Ihold | 0.13 | A | Ambient -20°C (reference only) | 3 | ||
| Hold current temperature rerating | Ihold | 0.11 | A | Ambient 0°C (reference only) | 3 | ||
| Hold current temperature rerating | Ihold | 0.1 | A | Ambient 20°C (reference only) | 3 | ||
| Hold current temperature rerating | Ihold | 0.09 | A | Ambient 40°C (reference only) | 3 | ||
| Hold current temperature rerating | Ihold | 0.07 | A | Ambient 60°C (reference only) | 3 | ||
| Hold current temperature rerating | Ihold | 0.06 | A | Ambient 70°C (reference only) | 3 | ||
| Hold current temperature rerating | Ihold | 0.05 | A | Ambient 85°C (reference only) | 3 |
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 | Copper | Terminal Material Solder-Plated Copper | 4 |
CAD (KiCad official)
- Symbol:
0402L010SLKR - Footprint:
Fuse:Fuse_0402_1005Metric - 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files:
0402l010slkr-etched.step/0402l010slkr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);0402l010slkr.step/0402l010slkr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (8 pp, sha256
ba01087abeed0a81, 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).