Littelfuse SMD Non Resettable Fuse 500mA, 125V ac/dc
- RS Stock No.:
- 541-3350
- Mfr. Part No.:
- 0451.500MRL
- Brand:
- Littelfuse
Bulk discount available
Subtotal (1 pack of 10 units)*
£11.11
(exc. VAT)
£13.33
(inc. VAT)
FREE delivery for orders over £50.00
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
- RS Stock No.:
- 541-3350
- Mfr. Part No.:
- 0451.500MRL
- Brand:
- Littelfuse
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
---|---|---|
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 | |
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
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.
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