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Littelfuse 0438001WRA Ceramic Surface Mount Fuse

The 438A series ceramic fast-acting surface mount fuses are designed for secondary circuit protection in compact automotive electronics. They feature excellent temperature stability from -55°C to +150°C, are 100% lead-free and RoHS compliant, and meet Littelfuse’s automotive qualifications. These fuses can withstand high inrush currents thanks to high  values, making them suitable for applications such as Li-ion batteries, TFT displays, LED headlights, and battery management systems. They are tested for thermal shock, humidity, vibration, and electrical strength, ensuring high reliability in demanding environments.

Authorized Distributors
Source:Newark
Part No:0438001.WRA
Stock:2565
Inv Date:05-28-2026
Price: Unit price: $1.88
Buy/RFQ:
Source:DigiKey
Part No:0438001.WRA
Stock:24638
Inv Date:05-28-2026
Price: Unit price: $1.97
Buy/RFQ:
Part No:0438001.WRA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.03
Buy/RFQ:
Part No:0438001.WRA
Stock:2274
Inv Date:05-29-2026
Price: N/A
Buy/RFQ:

Littelfuse 0438001WRA Ceramic Surface Mount Fuse Specifications:

  • Flammability: UL 94V-0
  • Temperature Range: -55°C to +150°C
  • Material: Advanced ceramic, lead-free glass coating
  • Termination Material: Ag/Ni/Sn, lead-free
  • Current Rating: 0.250A to 6A
  • Voltage Rating: 32VAC, 50VDC, 63VDC (varies by model)
  • Soldering: Reflow and wave solder compatible, Pb-free process
  • Operating Life: Min 4 hours at rated current, 5 seconds max interruption at maximum rated current
  • Environmental Testing: Humidity, vibration, thermal shock, mechanical, and electrical strength

Buy the Littelfuse Series 438A Ceramic Surface Mount Fuses: 0438001WRA

Secure your automotive electronic systems with the Littelfuse Series 438A ceramic surface mount fuse. Designed for secondary circuit protection, these high-temperature, lead-free fuses deliver excellent reliability under demanding conditions. They are suitable for applications such as Li-ion batteries, TFT displays, LED headlights, and battery management systems. With proven durability, thermal stability from -55°C to +150°C, and compliance with industry standards, order online now for dependable circuit protection in your critical automotive and electronic projects.

Order your Littelfuse Series 438A ceramic surface mount fuse today and ensure reliable protection for your automotive electronics projects.

Frequently Asked Questions

Where can I buy Littelfuse 0438001WRA?

You can click on the BUY or RFQ button to purchase 0438001WRA from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0438001WRA?

You can download the 0438001WRA datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0438001WRA?

Littelfuse

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