component
0440002.WRA
Public Made by Adomby adom
Littelfuse Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents
README
markdown0440002.WRA
Littelfuse · Disposable Fuses · 1206
0440002.WRA 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 | One termination (Ag/Ni/Sn) of the non-polarized fuse; 2 A rated, 32 V max, 50 A interrupting rating at 32VAC/DC, nominal resistance 0.0385 ohm. |
| 2 | 2 | passive | Other termination (Ag/Ni/Sn) of the non-polarized fuse, electrically interchangeable with the first; carries 2 A rated current for 4 hours minimum and opens in 5 s maximum at 350% of rating. |
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 |
|---|---|---|---|---|---|---|---|
| Opening time at 100% of rated current (minimum) | 4 | hours | 100% of ampere rating, 1.75A - 8A range, at 25ºC, minimum | 1 | |||
| Opening time at 350% of rated current (maximum) | 5 | s | 350% of ampere rating, 1.75A - 8A range, at 25ºC, maximum | 1 | |||
| Operating temperature | -55 | 150 | °C | 1 | |||
| Max. voltage rating | 32 | V | Amp code 002. (2A) row | 1 | |||
| Interrupting rating (AC/DC) | 50 | A | 50A @ 32VAC/DC, 2A row | 1 | |||
| Continuous operation recommended current | 80 | % of rated current | Recommended continuous operation, no more than 80% rated current | 1 | |||
| Ampere rating | 2 | A | Amp code 002. (0440002.) | 1 | |||
| Nominal resistance | 0.0385 | Ohms | Measured with <10% rated current | 1 | |||
| Nominal melting I2t | 0.4326 | A2Sec. | Measured at 1msec. opening time | 1 | |||
| Nominal voltage drop at rated current | 0.0792 | V | Measured at rated current after temperature has stabilized | 1 | |||
| Nominal power dissipation at rated current | 0.158 | W | At rated current | 1 | |||
| Reflow peak temperature | TP | 260 | °C | Pb-free reflow; printed 260+0/-5 °C; do not exceed 260°C | 2 | ||
| Wave soldering temperature | 260 | °C | Wave soldering, 10 seconds max | 2 | |||
| Wave soldering time | 10 | s | Wave soldering at 260°C | 2 |
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:
0440002.WRA - Footprint:
Fuse:Fuse_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
0440002-wra-etched.step/0440002-wra-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);0440002-wra.step/0440002-wra.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Littelfuse datasheet (3 pp, sha256
1483cc8fb8ea4fd4, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).