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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
1,000 pcs
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1000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Approval Agency | |
| Automotive Grade | |
| Breaking Capacity | |
| Breaking Capacity @ Rated Voltage | |
| Current Rating | |
| Current Rating (Amps) | |
| Fuse Type | |
| Halogen Free | |
| Height | |
| Industrial Grade | |
| Length | |
| Medical Grade | |
| Melting I²t | |
| Military Grade | |
| Mounting Type | |
| Nominal Power Dissipation | |
| Nominal Resistance | |
| Nominal Voltage Drop | |
| Operating Temperature | |
| Package / Case | |
| Response Time | |
| Tape & Reel | |
| Voltage Rating | |
| Width |
The Littelfuse 04371.25WR is a 1.25A, 63V fast-acting surface mount fuse from the 437 Series. Designed for overcurrent protection in circuits that may encounter high ambient temperatures up to 150°C, this fuse offers excellent temperature stability and performance reliability.
Key electrical specifications include a nominal resistance of 0.318 Ω, a voltage drop of 0.4V at rated current, and a power dissipation of 0.5W. The melting I²t is 0.257 A²s, providing high inrush current withstand capability typical of Littelfuse ceramic fuses.
The fuse is housed in a 1206 (3216 Metric) surface mount package with dimensions 3.20mm x 1.63mm x 0.82mm. It is UL and CSA approved, 100% lead-free, halogen-free, and RoHS compliant. The operating temperature range is -55°C to 150°C.
The current rating is 1.25 A.
The voltage rating is 63 V AC/DC.
The breaking capacity is 50 A at rated voltage (63 V AC/DC).
The response time is fast blow (fast-acting).
The fuse is in a 1206 (3216 Metric) surface mount package.
The operating temperature range is -55°C to 150°C.
Yes, it is RoHS compliant, 100% lead-free, and halogen-free.