| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
3,200 pcs
|
3200 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
180 pcs
|
180 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The Littelfuse 043803.5WR is a 3.5A board mount fuse from the 438 Series, designed for overcurrent protection in high-temperature environments up to 150°C. It is rated for 12VAC and 32VDC with a breaking capacity of 50A at rated voltage. The fuse features fast-acting response and a high melting I²t of 0.4752 A²s, providing excellent inrush current withstand capability.
This surface mount fuse comes in a compact 0603 (1608 metric) package with dimensions 1.54mm x 0.85mm x 0.50mm. It has a nominal resistance of 0.0205 ohms, voltage drop of 0.082V, and power dissipation of 0.287W at rated current. The fuse is 100% lead-free, RoHS compliant, and halogen-free, making it suitable for environmentally conscious designs.
The 438 Series is recognized by UL, CSA, CE, and UKCA, conforming to international safety standards. It is suitable for both leaded and lead-free reflow/wave soldering processes. Typical applications include overcurrent protection in circuits operating under high ambient temperatures.
The current rating is 3.5 A.
The voltage rating is 12 VAC and 32 VDC.
The breaking capacity is 50 A at rated voltage.
The response time is Fast Blow (fast-acting).
The fuse comes in a 0603 (1608 Metric) surface mount package.
The operating temperature range is -55°C to 150°C.
The fuse is approved by CSA, UL, CE, and UKCA.