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Littelfuse Non-Resettable Fast Acting Fuse 250mA 63V dc Ceramic Body 438 Series 0438.250WR

Category Non-Resettable Fuse Brand LITTELFUSE Condition New

Specifications

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

Key Features

  • Features fast acting fuse characteristic ideal for quick interruption of over currents.
  • Constructed with a durable ceramic body material ensuring high temperature resistance.
  • Rated for a breaking capacity of 50A supporting robust circuit protection.
  • Operates reliably from -55°C to 150°C, suitable for harsh environments.
  • Available in a 0603 package size on a reel for efficient surface mount technology assembly.
  • Terminal materials include tin, nickel, and silver for excellent electrical connectivity.
  • RoHS compliant and meets CSA standards for quality and safety assurance.
  • Part of the Littelfuse 438 Series ideal for handheld electronics and sensitive devices.

Product Description

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.

Littelfuse Non-Resettable Fast Acting Fuse 250mA 63V dc Ceramic Body 438 Series 0438.250WR
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Frequently Asked Questions

This model has a current rating of 250mA, making it suitable for low-power applications.

It is rated for a voltage of 63V DC, which allows it to be used in various electronic circuits.

The breaking capacity is rated at 50A, enabling it to handle sudden surge currents effectively.

This unit operates reliably from -55°C to 150°C, making it suitable for harsh environments.

The body is made of ceramic, and the terminals are constructed from tin, nickel, and silver for excellent conductivity.

It comes in a compact 0603 package size, which is ideal for surface mount technology applications.

Yes, it meets CSA standards and is RoHS compliant, ensuring it adheres to safety and environmental regulations.

This fuse is ideal for protecting handheld electronics, LCD displays, battery packs, hard disk drives, and memory card circuits.

The resistance is optimized at 2.22Ω, which helps in circuit protection without significant power loss.

It features a fast acting characteristic, ensuring quick interruption of overcurrents to safeguard sensitive components.

It is supplied on reels, facilitating efficient automated assembly processes in manufacturing environments.

The height of this model is 0.5mm, allowing for space-saving designs in electronic circuits.

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