component
0805L100WR
Public Made by Adomby adom
Littelfuse Resettable Fuses, 0805. 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
markdown0805L100WR
Littelfuse · Resettable Fuses · 0805
0805L100WR from Littelfuse, in a 0805. 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 | 0805 |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current | I hold | 1 | A | Maximum current device will pass without tripping in 20°C still air | 1 | ||
| Trip current | I trip | 1.95 | A | Minimum current at which device will trip in 20°C still air | 1 | ||
| Maximum voltage | V max | 6 | Vdc | Maximum voltage device can withstand without damage at rated current (I max) | 1 | ||
| Maximum fault current | I max | 40 | A | Maximum fault current device can withstand without damage at rated voltage (Vmax) | 1 | ||
| Power dissipated in tripped state | P d | 0.6 | W | Power dissipated from device when in tripped state at 20°C still air | 1 | ||
| Maximum time to trip | 0.3 | s | Time to trip at 8.00 A | 1 | |||
| Minimum resistance, initial state | R min | 0.06 | Ω | Minimum resistance of device in initial (un-soldered) state | 1 | ||
| Maximum resistance after trip or reflow | R 1max | 0.21 | Ω | At 20°C, measured one hour after tripping or reflow soldering of 260°C for 20 sec | 1 | ||
| Resistance change, passive aging | -5 | 5 | % | +85°C, 1000 hours; typical resistance change | 3 | ||
| Resistance change, humidity aging | -5 | 5 | % | +85°C, 85% R.H., 1000 hours; typical resistance change | 3 | ||
| Resistance change, thermal shock | -30 | % | MIL-STD-202 Method 107, +85°C/-40°C 20 times; typical resistance change | 3 | |||
| Operating/storage temperature | -40 | 85 | °C | Operating/storage temperature | 3 | ||
| Maximum device surface temperature in tripped state | 125 | °C | Maximum device surface temperature in tripped state | 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 | 3 |
CAD (KiCad official)
- Symbol:
0805L100WR - Footprint:
Fuse:Fuse_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
0805l100wr-etched.step/0805l100wr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);0805l100wr.step/0805l100wr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (5 pp, sha256
704fa70dbeb37bfa, 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).