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Littelfuse 0437500WR Ceramic Surface Mount Fuse

The 437 Series ceramic surface mount fuse provides reliable overcurrent protection for high-temperature environments up to 150°C. RoHS compliant, halogen-free, and lead-free, it features excellent temperature stability and high inrush current handling capabilities. Suitable for PCB assembly with wave or reflow soldering, this fast-acting fuse ensures circuit safety in various electronic applications. It offers an amperage range from 0.25A to 8A, with rapid response times, meeting industry standards for safety and durability in demanding conditions.

Authorized Distributors
Source:Newark
Part No:0437.500WR
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.804
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Source:DigiKey
Part No:0437.500WR
Stock:1967
Inv Date:05-28-2026
Price: Unit price: $1.47
Buy/RFQ:
Part No:0437.500WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.75
Buy/RFQ:
Part No:0437.500WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.5695
Buy/RFQ:
Part No:0437.500WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.5695
Buy/RFQ:
Part No:0437.500WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.645
Buy/RFQ:
Part No:0437.500WR
Stock:596
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0437500WR Ceramic Surface Mount Fuse Specifications:

  • Material: Advanced ceramic with lead-free glass coating
  • Termination: Ag/Ni/Sn (lead-free)
  • Operating Temperature: -58°C to +150°C
  • Amperage Range: 0.25A to 8A
  • Voltage Ratings: 50A @ 125V AC/DC, 50A @ 63V AC/DC, 50A @ 32V AC/DC
  • Interrupting Rating: 50A @ 125V AC/DC, 50A @ 63V AC/DC
  • Response Time: 4 hours at 250mA, up to 1 second at higher currents
  • Soldering: Suitable for lead-free reflow at 260°C, wave soldering, 10 seconds max
  • Compliance: RoHS, Halogen-free, MIL-STD-202, JEDEC J-STD-0028, IEC 60127-4
  • Packaging: 8mm Tape and Reel, 3000 pcs per reel

Buy the Littelfuse Series 437 Ceramic Fuse: 0437500WR

Purchase the Littelfuse Series 437 ceramic surface mount fuse online now and secure dependable circuit protection. Designed for high-temperature environments up to 150°C, it features fast response times and wide amperage options from 0.25A to 8A. Ideal for PCB assemblies requiring lead-free reflow and wave soldering, this RoHS compliant fuse guarantees durability and safety in demanding electronic systems. Get reliable overcurrent protection for your circuit designs by ordering today and experience seamless electronic performance.

Order your Littelfuse Series 437 ceramic fuse today and ensure reliable overcurrent protection for high-temperature electronic applications.

Frequently Asked Questions

Where can I buy Littelfuse 0437500WR?

You can click on the BUY or RFQ button to purchase 0437500WR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0437500WR?

You can download the 0437500WR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0437500WR?

Littelfuse

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