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Littelfuse 0437001WR Ceramic Fuse

The 437 Series ceramic surface mount fuse offers high-temperature resilience and excellent inrush current withstand capability. Designed for overcurrent protection in circuits exposed to ambient temperatures up to 150°C, this RoHS compliant, halogen-free fuse features rapid response with high ict ratings. Suitable for lead-free reflow and wave soldering, it is ideal for electronic applications like LCD displays, scanners, and data modems. With a body made of advanced ceramic and lead-free metal terminations, it ensures mechanical shock resistance, reliable performance, and international agency approvals.

Authorized Distributors
Source:Newark
Part No:0437001.WR
Stock:2425
Inv Date:05-28-2026
Price: Unit price: $1.81
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Source:DigiKey
Part No:0437001.WR
Stock:47051
Inv Date:05-28-2026
Price: Unit price: $0.62775
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Part No:0437001.WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.95
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Part No:0437001.WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.713
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Part No:0437001.WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.713
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Part No:0437001.WR
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.62
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Source:Arrow EU
Part No:0437001.WR
Stock:8800
Inv Date:05-29-2026
Price: N/A
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Part No:0437001.WR
Stock:1
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0437001WR Ceramic Fuse Specifications:

  • Body Material: Advanced Ceramic MILSTD-202, Method 1076
  • Terminations: Ag / Ni / Sn (Lead-free)
  • Temperature Rating: -58°C to +150°C
  • Soldering: Lead-free reflow and wave soldering compatible
  • Electrical Rating: 0.250A to 8A, 50A @ 125V AC/DC, 50A @ 32V AC/35V DC
  • Inrush Current Capability: 250% for 5 seconds, 360% for 5 seconds, 350% for 1 second
  • Agency Approvals: Recognized for Mechanical Shock, Vibration, Humidity, Solder Heat, and Dissolution Resistance
  • Dimensions: Standard 1206 package, typical size suitable for surface mounting, precise dimensions vary per model
  • Packaging: 8mm Tape and Reel, 3000 pieces per reel, IEC 60286 compliant

Buy the Buy Littelfuse Ceramic Fuse Part Number 0437001WR Online

Purchase the Littelfuse Series437 ceramic surface mount fuse online today to secure high-temperature resilience and rapid response current protection for your circuits. Designed for circuits needing overcurrent protection up to 150°C ambient temperature, this fuse offers excellent temperature stability, mechanical shock resistance, and RoHS compliance. Ideal for LCD displays, scanners, and data modems, it ensures reliable operation in demanding environments. Buy now and enhance your electronic device performance with this high-quality, lead-free fuse that is easy to solder and meet international standards.

Order your Littelfuse Series437 ceramic fuse part number 0437001WR today and ensure reliable overcurrent protection in high-temperature electronic applications.

Frequently Asked Questions

Where can I buy Littelfuse 0437001WR?

You can click on the BUY or RFQ button to purchase 0437001WR from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0437001WR?

You can download the 0437001WR datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0437001WR?

Littelfuse

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