component
0440005.WR
Public Made by Adomby adom
Littelfuse Disposable Fuses, 1206. 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
markdown0440005.WR
Littelfuse · Disposable Fuses · 1206
0440005.WR from Littelfuse, in a 1206. 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 | 1206 |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating Temperature | -55 | 150 | ºC | 1 | |||
| Max. Voltage Rating | 32 | V | 5 A (amp code 005.) row | 1 | |||
| Opening Time at 100% of Ampere Rating | 4 | hours | at 25ºC, 100% of ampere rating, minimum | 1 | |||
| Opening Time at 350% of Ampere Rating | 5 | secs. | at 25ºC, 350% of ampere rating, maximum | 1 | |||
| Wave Soldering Temperature | 260 | °C | 10 seconds max | 2 | |||
| Nominal Resistance | 0.012 | Ohms | measured with < 10% rated current; 5 A row | 1 | |||
| Nominal Melting I2t | 4.761 | A2Sec. | 5 A row | 1 | |||
| Nominal Voltage Drop At Rated Current | 0.0654 | V | measured at rated current after temperature has stabilized; 5 A row | 1 | |||
| Nominal Power Dissipation At Rated Current | 0.327 | W | at rated current; 5 A row | 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 | tin | Terminations: Ag / Ni / Sn (100% Lead-free) Element Cover Coating: Lead-free Glass | 3 |
CAD (KiCad official)
- Symbol:
0440005.WR - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
0440005-wr-etched.step/0440005-wr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);0440005-wr.step/0440005-wr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (3 pp, sha256
39359c45db276d92, 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).