Littelfuse SMD Non Resettable Fuse 500mA, 125V ac/dc

View all Non Resettable Fuses
Bulk discount available

Subtotal (1 pack of 10 units)*

£11.11

(exc. VAT)

£13.33

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 280 unit(s) ready to ship
  • Plus 430 unit(s) ready to ship from another location
  • Plus 2,620 unit(s) shipping from 28 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
10 - 90£1.111£11.11
100 - 490£0.878£8.78
500 - 1490£0.729£7.29
1500 - 2490£0.64£6.40
2500 +£0.597£5.97

*price indicative

Packaging Options:
RS Stock No.:
541-3350
Mfr. Part No.:
0451.500MRL
Brand:
Littelfuse
Find similar products by selecting one or more attributes.
Select all

Brand

Littelfuse

Current Rating

500mA

Voltage Rating

125V ac/dc

Fuse Speed

FF

Body Material

Ceramic

Body Length

6.1mm

Body Width

2.69mm

Body Height

2.69mm

Breaking Capacity at Maximum Voltage Rating

50 A @ 125 V ac/dc

Minimum Operating Temperature

-55°C

Maximum Operating Temperature

+125°C

Terminal Material

Gold Plated

Dimensions

6.1 x 2.69 x 2.69mm

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

Approvals

CSA, UL

Approvals

UL; CSA


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.

Related links