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Littelfuse 0473750MRT1L Slo-Blo Fuse

The Littelfuse 473 Series PICO II Slo-Blo fuse is a time-delay fuse engineered for reliable performance in a compact size. It combines the benefits of time-delay characteristics with the proven reliability of Littelfuse's PICO fuses. This fuse is suitable for a wide range of applications, including flat-panel display TVs, medical equipment, LCD monitors, industrial equipment, and lighting systems. It features enhanced inrush withstand, is halogen-free and RoHS compliant, and operates effectively across a wide temperature range. The fuse is available in various current ratings and packaging options to meet diverse application needs.

Authorized Distributors
Source:Newark
Part No:0473.750MRT1L
Stock:78
Inv Date:05-28-2026
Price: Unit price: $2.83
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Source:DigiKey
Part No:0473.750MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.08095
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Part No:0473.750MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $2.31
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Part No:0473.750MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.164
Buy/RFQ:
Part No:0473.750MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.164
Buy/RFQ:
Part No:0473.750MRT1L
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.77
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Part No:0473.750MRT1L
Stock:922
Inv Date:05-29-2026
Price: N/A
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Littelfuse 0473750MRT1L Slo-Blo Fuse Specifications:

  • Ampere Range: 0.375A - 7A
  • Opening Time (100% Rating): 4 Hours (Min.)
  • Opening Time (200% Rating): 1 Sec. (Min.); 60 Sec. (Max.)
  • Opening Time (300% Rating): 0.2 Sec. (Min.); 3 Sec. (Max.)
  • Opening Time (800% Rating): 0.02 Sec. (Min.); 0.1 Sec. (Max.)
  • Max Voltage: 125V
  • Interrupting Rating: Varies by Ampere Rating (see table)
  • Resistance: Varies by Ampere Rating (see table)
  • Operating Temperature: –55ºC to +125ºC
  • Lead Pull Force: 7 lbs (Min.)
  • Insulation Resistance: 10,000 ohms minimum at 100 volts
  • Resistance to Soldering Heat: 20 sec at 260ºC
  • Thermal Shock: –65ºC to 125ºC
  • Moisture Resistance: 90–98% RH, Heat (65ºC)
  • Agency Approvals: E10480, 29862, PSE
  • Materials: Solder Coated Copper wire leads
  • Lead Length (T1): 52.4mm (2.062")
  • Packaging Options: Reel, Ammo Pack, Loose Pack

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Frequently Asked Questions

Where can I buy Littelfuse 0473750MRT1L?

You can click on the BUY or RFQ button to purchase 0473750MRT1L from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 0473750MRT1L?

You can download the 0473750MRT1L datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 0473750MRT1L?

Littelfuse

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