Littelfuse 438 Series fast acting fuses has been especially designed to provide over current protection to circuits that operate under high working ambient temperatures up to 150ºC. Ideal for handheld electronics, LCD displays, battery packs, hard disk drives and SD memory cards applications.

Operating temperature from -55°C to +150°C
100% Lead-free and RoHS compliant and Halogen-free
Suitable for both leaded and lead-free reflow/wave soldering

Surface Mount Technology

Surface mount fuses offer considerable space (and time) saving features for low voltage applications. The FF types are ideal for protection of high value silicon IC's e.g. alarm systems, audio/visual equipment, computer boards, portable telephones, power supplies, medical apparatus etc.