Littelfuse 4 A T Glass Cartridge Fuse, 5 x 20 mm

View all Cartridge Fuses
Bulk discount available

Subtotal (1 pack of 10 units)*

£6.28

(exc. VAT)

£7.54

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 9,310 unit(s) shipping from 09 February 2026
  • Plus 510 unit(s) shipping from 09 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
10 - 10£0.628£6.28
20 - 40£0.594£5.94
50 +£0.555£5.55

*price indicative

RS Stock No.:
541-4511
Distrelec Article No.:
304-42-509
Mfr. Part No.:
0218004.MXP
Brand:
Littelfuse
Find similar products by selecting one or more attributes.
Select all

Brand

Littelfuse

Product Type

Cartridge Fuse

Current Rating

4 A

Fuse Size

5 x 20 mm

Fuse Speed

T

Voltage

250V

Overall Length

20mm

Body Material

Glass

Application Category

Protection

Fuse Characteristics

Time Delay

Minimum Operating Temperature

-55°C

Maximum Operating Temperature

60°C

Series

218

Diameter

5 mm

Standards/Approvals

VDE, UL, SEMKO, K-MARK, CSA, CE, CCC

COO (Country of Origin):
CN

Littelfuse 218 Series Slo-Blo Fuses 5x20mm


The Littlefuse 218 series of fuses are time-lag, glass fuses which form part of their Slo Blo™ range. These reliable, cost-effective devices are ideal for circuit protection in many applications, such as appliances or utilisation equipment.

The Littlefuse 218 cartridge fuse range includes various different Amp ratings and interrupting ratings. So you will be sure to find a fuse to suit your application.

Features:

Variety of Current Ratings Available

250V Voltage Rating

Meets Global Standards

RoHS Compliant

Lead Free

Why choose a glass fuse?

Glass and ceramic fuses have similar properties. However you may choose a glass fuse as it enables you to see the inside of the fuse. Therefore it is easier to determine whether the fuse has blown.

What size is it?

5x20 mm is a standard cartridge size and it measures approximately 20 mm long by 5 mm in diameter. They are popular in board and panel protection and will fit a compatible 5x20 fuse holder.

What Speed is it?

Time lag fuses, also known as time delay or slow-blow fuses, are designed to allow a spike in electricity for a short time before the fuse blows. This current can be above the rated value of the fuse for a short period of time.

Related links