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Littelfuse 0251125MRT1L Fast-Acting Fuse

The Littelfuse PICO II Very Fast-Acting Fuse is engineered for a wide array of performance characteristics within a compact subminiature package. Featuring a very fast-acting response, halogen-free availability, and a wide current rating range (0.062A-15A), this fuse provides reliable circuit protection. It's commonly used in power supplies, flat-panel displays, audio/video systems, lighting systems, office machines, and medical equipment. The fuse is designed to meet rigorous standards and offers excellent vibration, shock, and moisture resistance, ensuring dependable performance in demanding environments.

Authorized Distributors
Source:Newark
Part No:0251.125MRT1L
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $2.19
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Source:DigiKey
Part No:0251.125MRT1L
Stock:4927
Inv Date:05-28-2026
Price: Unit price: $0.8391
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Source:DigiKey
Part No:02511.25MRT1L
Stock:1000
Inv Date:05-28-2026
Price: Unit price: $1.98
Buy/RFQ:
Part No:0251.125MRT1L
Stock:995
Inv Date:05-28-2026
Price: Unit price: $0.27
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Part No:02511.25MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.42
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Part No:0251.125MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.841
Buy/RFQ:
Part No:0251.125MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.841
Buy/RFQ:
Part No:0251.125MRT1L
Stock:3000
Inv Date:05-28-2026
Price: Unit price: $0.37
Buy/RFQ:

Littelfuse 0251125MRT1L Fast-Acting Fuse Specifications:

  • Agency Approvals: N/A E10480 (0.062A - 15A), N/A 29862 (0.062A - 15A), PSE NBK200416-JP1021 (1A - 5A), J50158379 (0.500A - 10A), QPL FM10 (0.062A - 15A), 2009010207366577 (0.500A, 1A, 2A, 2.5A, 3A, 4A, 5A)
  • Ampere Rating: 0.062A - 15A
  • Opening Time: 4 Hours (min) at 100%, 1 Second (max) at 0.062A - 7A, 3 Seconds (max) at 200% 10A, 10 Seconds (max) at 12-15A, 300 msecs (max) at 275%, 30 msecs (max) at 400%
  • Operating Temperature: -55°C to +125°C
  • Interrupting Rating: 125V
  • Cold Temperature Rating: 7.000
  • Resistance: 0.000113 Ohms
  • Body Material: Pure Tin-coated Copper
  • Encapsulated: Epoxy-coated
  • Lead Pull Force: 7lbs (axial pull test)
  • Vibration Resistance: MIL-STD-202, Method 201 & 204
  • Shock Resistance: MIL-STD-202, Method 213
  • Insulation Resistance: 10,000 ohms minimum at 100 volts
  • Moisture Resistance: MIL-STD-202, Method 106
  • Flammability Rating: UL 94V–0
  • Soldering Parameters: Preheat: 100°C - 150°C (60-180 seconds), Solder Pot: 260°C max, Dwell Time: 2-5 seconds

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Frequently Asked Questions

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You can click on the BUY or RFQ button to purchase 0251125MRT1L from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0251125MRT1L?

You can download the 0251125MRT1L datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0251125MRT1L?

Littelfuse

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