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Littelfuse Non-Resettable Fast Acting Fuse 1A 63V DC Ceramic Body 438 Series 0438001.WR

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Littelfuse Non-Resettable Fast Acting Fuse 1A 63V DC Ceramic Body 438 Series 0438001.WR

Name: Littelfuse Non-Resettable Fast Acting Fuse 1A 63V DC Ceramic Body 438 Series 0438001.WR
Brand: LITTELFUSE
SKU: 377696
Price: 20.22 USD
Availability: InStock

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Category Non-Resettable Fuses Brand LITTELFUSE Condition New

Specifications

Country of Origin	Philippines
Brand	Littelfuse
Body Material	Ceramic
Height	0.5mm
Model	0438001.WR
Depth	1.54mm
Series	438
Maximum Operating Temperature	150°C
Resistance	0.31Ω
Package Type	Reel
Minimum Operating Temperature	-55°C
Package Size	0603
Breaking Capacity	50A
Terminal Material	Nickel, Silver, Tin
Standards/Approvals	RoHS, CSA
Fuse Characteristics	Fast Acting

Key Features

Constructed with a ceramic body for durability and heat resistance.
Designed for fast acting fuse speed ensuring prompt circuit protection.
Operates in a temperature range from -55°C to 150°C.
Features a breaking capacity of 50A suitable for various electronic applications.
Packaged in a reel with standard 0603 package size for automated placement.
Terminals made from nickel, silver, and tin for excellent conductivity.
Low resistance of 0.31 ohms reduces voltage drop in circuits.
RoHS and CSA compliant ensuring environmental safety and quality standards.

Product Description

Littelfuse 0438001.WR Non-Resettable Fast Acting Fuse, rated at 1 ampere and 63 volts DC, is manufactured with a ceramic body material that ensures robustness and thermal stability for high ambient temperature operation up to 150°C. This fuse is part of the Littelfuse 438 Series and is designed for fast acting fuse characteristics, providing rapid protection to sensitive electronic circuits.

The fuse operates within a wide temperature range from -55°C minimum to 150°C maximum, making it suitable for demanding industrial, electronic, and commercial applications including handheld electronics, LCD displays, battery packs, hard disk drives, and memory cards. Its breaking capacity of 50 amperes ensures safe interruption of overcurrent events without damage to the protected devices.

Designed for surface mount technology, the 0603 package size optimizes PCB real estate and supports automated reel packaging, facilitating efficient manufacturing processes. The terminal material composed of nickel, silver, and tin enhances electrical connectivity and solderability in leaded and lead-free assembly environments. Additionally, the fuse features a low resistance value of 0.31 ohms, minimizing power dissipation within the circuit.

This Littelfuse product fully complies with RoHS and CSA standards, guaranteeing environmental compliance and safety. It is an ideal choice for industrial, laboratory, manufacturing, automotive electronics, and consumer electronics sectors requiring reliable, compact, and high-performance fuse protection.

Constructed with a ceramic body for durable thermal performance. Fast acting fuse characteristics for immediate circuit protection. Wide operating temperature range from -55°C up to 150°C. Breaking capacity of 50 amperes for high fault current tolerance.

Packaged in a standard 0603 reel size compatible with SMT processes. Terminal material combination offers excellent soldering and conductivity. Low 0.31 ohm resistance contributes to efficient circuit operation. Compliant with RoHS and CSA for safety and regulatory standards.

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