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Littelfuse 03450101H Shock Safe Circuit Board Mount Fuse Holder

The Littelfuse 345 series is a range of shock-safe circuit board mount enclosed fuse holders designed to meet IEC standards (60127 and 60065). These fuse holders are compatible with both 3AG (¼” × 1¼”) and 5 × 20mm fuses, offering flexibility in fuse selection. The holders feature a robust construction with a glass-filled thermoplastic body (UL 94V0) and tin-plated brass terminals, ensuring reliable performance. They are suitable for a wide range of industrial applications requiring circuit protection and are designed for soldering to printed circuit boards. Refer to the Fuseology section for proper de-rating information.

Authorized Distributors
Source:Newark
Part No:03450101H
Stock:77
Inv Date:05-28-2026
Price: Unit price: $7.24
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Source:DigiKey
Part No:03450101H
Stock:1976
Inv Date:05-28-2026
Price: Unit price: $7.66
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Part No:03450101H
Stock:144
Inv Date:05-29-2026
Price: Unit price: $7.66
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Part No:03450101H
Stock:32
Inv Date:05-28-2026
Price: Unit price: $6.96
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Part No:03450101H
Stock:2969
Inv Date:05-28-2026
Price: Unit price: $4.13
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Part No:03450101H
Stock:45
Inv Date:05-29-2026
Price: N/A
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Littelfuse 03450101H Shock Safe Circuit Board Mount Fuse Holder Specifications:

  • Compatible Fuse Size: 5x20mm, 3AG
  • Mounting: Intended for soldering to printed circuit boards
  • Body Material: Black glass-filled thermoplastic (UL 94V0)
  • Knob Material: Grey or Black glass-filled thermoplastic (UL94 V-0)
  • Terminals: Brass, Tin-plated
  • Ambient Temperature: -40ºC to +85ºC
  • Electrical Insulation Resistance: 10,000 megohm minimum at 500 VDC
  • Contact Resistance: Less than .005 ohm average at 1A
  • Dielectric Strength: 4000 volts minimum

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Frequently Asked Questions

Where can I buy Littelfuse 03450101H?

You can click on the BUY or RFQ button to purchase 03450101H from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 03450101H?

You can download the 03450101H datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 03450101H?

Littelfuse

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