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Littelfuse 0251500MRT1L Subminiature Fast-Acting Fuse

The LITTELFUSE PICO II very fast-acting fuse is engineered to meet diverse performance requirements within a compact, subminiature package. Available in RoHS compliant versions, these fuses are ideal for applications where space is limited. They are recognized under Underwriters Laboratories and certified by CSA, and are available on QPL for MIL-PRF-23419. The fuse offers interrupting ratings of 300 amperes at rated voltage VDC and 50 amperes at rated voltage VAC, and is designed to withstand shock, vibration, and moisture resistance as per MIL-STD specifications.

Authorized Distributors
Source:Newark
Part No:0251.500MRT1L
Stock:2000
Inv Date:05-28-2026
Price: Unit price: $0.679
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Source:DigiKey
Part No:0251.500MRT1L
Stock:3560
Inv Date:05-28-2026
Price: Unit price: $1.6
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Part No:0251.500MRT1L
Stock:3
Inv Date:05-28-2026
Price: Unit price: $0.87
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Part No:0251.500MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.595
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Part No:0251.500MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.595
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Part No:0251.500MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.295
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Part No:0251.500MRT1L
Stock:18
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0251500MRT1L Subminiature Fast-Acting Fuse Specifications:

  • Ampere Rating: 1/2
  • Interrupting Rating (VDC): 300 amperes
  • Interrupting Rating (VAC): 50 amperes
  • Operating Temperature: -55°C to 125°C
  • Shock Resistance: MIL-STD-202, Method 213
  • Vibration Resistance: MIL-STD-202, Methods 201 & 204
  • Moisture Resistance: MIL-STD-202, Method 106
  • Lead Pull Force: 7 lb axial pull test
  • Nominal Resistance (Cold Ohms): 0.280
  • Nominal Melting I2t (A2 Sec): 0.0598
  • Flammability Rating: UL 94V0
  • Wave Solder Temperature: 260°C (10 seconds max)
  • Solderability: MIL-STD-202, Method 208
  • Packaging: Tape and Reel per EIA-296; T1: 2.062" (52.4mm) taped spacing; 5,000 per reel

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Frequently Asked Questions

Where can I buy Littelfuse 0251500MRT1L?

You can click on the BUY or RFQ button to purchase 0251500MRT1L from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0251500MRT1L?

You can download the 0251500MRT1L datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0251500MRT1L?

Littelfuse

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