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Littelfuse 37212500431 Time-Lag Fuse

The 372 Series TR5® Time-Lag Fuses are rated at 250V and designed according to IEC 60127-3 standards. Halogen-free, lead-free, and RoHS compliant, these fuses feature low internal resistance, shock safety casing, and vibration resistance. Suitable for applications like battery chargers, power supplies, consumer electronics, and industrial controllers, they offer fast and slow-blow options with minimum break times from 2 minutes to 1 hour. Available with various ratings from 0.040A to 6.3A, they can be directly soldered or used as plug-in components, ensuring reliable circuit protection across multiple industries.

Authorized Distributors
Source:Newark
Part No:37212500431
Stock:4
Inv Date:05-28-2026
Price: Unit price: $1.47
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Source:DigiKey
Part No:37212500431
Stock:202
Inv Date:05-28-2026
Price: Unit price: $1.45
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Part No:37212500431
Stock:228
Inv Date:05-29-2026
Price: Unit price: $1.33
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Part No:37212500431
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.87
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Part No:37212500431
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.61
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Source:Arrow EU
Part No:37212500431
Stock:4000
Inv Date:05-29-2026
Price: N/A
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Part No:37212500431
Stock:1184
Inv Date:05-29-2026
Price: N/A
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Littelfuse 37212500431 Time-Lag Fuse Specifications:

  • Voltage Rating: 250V
  • Rated Current: 0.040A to 6.3A
  • Approval: IEC 60127-3
  • Material: Brown thermoplastic base, copper tin-plated pins
  • Temperature Rating: -40°C to +85°C, with re-rating considerations
  • Break Time: 2 minutes to 1 hour (varies by rating and type)
  • Shock Safe Casing: Yes
  • Vibration Resistance: Yes
  • Soldering: Compatible with wave and hand soldering at 260°C for 3 seconds
  • Standards: RoHS, IEC approved, internationally accepted
  • Packaging: Tape, bulk options, variations for different lead lengths
  • Operating Environment: Climatic Category IEC 60068, humidity up to 95% for 30 days
  • Physical: Round pins, thermoplastic base, compact design

Buy the Littelfuse 37212500431 – Reliable Time-Lag Fuses for Industrial Applications

Purchase the Littelfuse 372 Series Time-Lag Fuse online today for your industrial and electronic projects. These high-quality, IEC-compliant fuses are halogen free, lead-free, and RoHS certified, offering reliable circuit protection. Designed for quick and slow-blow applications, they come with various current ratings from 0.040A to 6.3A. Suitable for battery chargers, power supplies, industrial controllers, and consumer electronics, they feature shock safe casing, vibration resistance, and easy soldering options. Get your reliable fuse today and ensure circuit safety and longevity.

Order your Littelfuse Series 37212500431 high-performance time-lag fuse today and ensure dependable protection for your power supply and control circuits.

Frequently Asked Questions

Where can I buy Littelfuse 37212500431?

You can click on the BUY or RFQ button to purchase 37212500431 from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 37212500431?

You can download the 37212500431 datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 37212500431?

Littelfuse

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