Littelfuse Non-Resettable Fuse 500 mA, 125 V

View all Non Resettable Fuses
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Subtotal (1 pack of 10 units)*

£11.23

(exc. VAT)

£13.48

(inc. VAT)

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  • 1,040 unit(s) ready to ship
  • Plus 980 unit(s) ready to ship from another location
  • Plus 70 unit(s) shipping from 16 February 2026
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Units
Per unit
Per Pack*
10 - 90£1.123£11.23
100 - 490£0.887£8.87
500 - 1490£0.737£7.37
1500 - 2490£0.647£6.47
2500 +£0.603£6.03

*price indicative

Packaging Options:
RS Stock No.:
541-3350
Distrelec Article No.:
304-33-448
Mfr. Part No.:
0451.500MRL
Brand:
Littelfuse
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Brand

Littelfuse

Current Rating

500 mA

Product Type

Non-Resettable Fuse

Voltage

125 V

Fuse Speed

FF

Body Material

Ceramic

Width

2.69 mm

Height

2.69mm

Fuse Characteristics

Super Fast Acting

Minimum Operating Temperature

125°C

Maximum Operating Temperature

-55°C

Breaking Capacity

50A

Package Type

Reel

Depth

6.1mm

Standards/Approvals

CE, UL 248-14, CSA, RoHS

Series

451

Terminal Material

Gold Plated

Resistance

0.3Ω

Littelfuse 451 Series NANO2 Surface Mount Fuses


Littelfuse 451 series of NANO2 surface mount fuses are very small wire-in-air (WIA) square shape surface mount devices which are suitable for a variety of secondary side circuit over-current protection applications.

Very fast acting

Small size

Low temperature de-rating

Surface Mount Technology


Surface mount fuses offer considerable space (and time) saving features for low voltage applications. The FF types are ideal for protection of high value silicon IC's e.g. alarm systems, audio/visual equipment, computer boards, portable telephones, power supplies, medical apparatus etc.

Approvals

CSA, UL

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