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| Country of Origin | Philippines |
|---|---|
| Brand | Littelfuse |
| Body Material | Ceramic |
| Height | 0.5mm |
| Model | 0438.250WR |
| Depth | 1.54mm |
| Series | 438 |
| Maximum Operating Temperature | 150°C |
| Resistance | 2.22Ω |
| Package Type | Reel |
| Minimum Operating Temperature | -55°C |
| Package Size | 0603 |
| Breaking Capacity | 50A |
| Terminal Material | Tin, Nickel, Silver |
| Standards/Approvals | CSA, RoHS |
| Fuse Characteristics | Fast Acting |
Littelfuse 0438.250WR Non-Resettable Fast Acting Fuse with a 250mA current rating and 63V dc voltage rating is engineered for effective overcurrent protection in electronic circuits operating under elevated ambient temperatures up to 150°C. Its ceramic body construction provides enhanced thermal stability and durability.
This fuse belongs to the Littelfuse 438 Series, which is widely used for protecting handheld electronics, LCD displays, battery packs, hard disk drives, and memory card circuits. The fast acting characteristic ensures swift interruption of fault currents to safeguard delicate components.
Designed for surface mount technology, it comes in a compact 0603 size package supplied on reels to facilitate efficient automated assembly processes. The terminal finish comprises tin, nickel, and silver, ensuring excellent solderability and reliable electrical contact.
With a breaking capacity of 50A, this fuse is capable of handling sudden surge currents without damage. It operates reliably within a temperature range from -55°C to 150°C, making it suitable for use in demanding industrial, medical, communication, and computing applications.
The fuse meets stringent RoHS compliance and CSA approvals, underlining its quality and safety credentials. Its 2.22Ω resistance is optimized for circuit protection without significant power loss.
Fast acting fuse characteristic for rapid overcurrent interruption. Ceramic body material enhances heat tolerance and mechanical strength. Breaking capacity rated at 50A for robust circuit defense. Wide operating temperature range from -55°C to +150°C.
Surface mount 0603 package size compatible with automated assembly. Terminal materials of tin, nickel, and silver for superior conductivity. Meets CSA and RoHS standards for safety and environmental compliance. Ideal for handheld electronics, battery packs, and data storage devices.
This Littelfuse Non-Resettable Fuse supports industrial, laboratory, electronic manufacturing, communications, medical equipment, and computing use cases. It provides reliable, space-saving circuit protection crucial for modern electronic applications. Browse the full Littelfuse range on EnvMart for advanced electronic protection solutions.
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