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Littelfuse

Littelfuse 02181.25 1.25A 250V 5×20mm Time-Lag Glass Fuse

Part Number: 02181.25

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The Littelfuse 218 Series uses 02181.25 for its 1.25A configuration. Littelfuse publishes 250V AC and 35A @ 250VAC as the core electrical selection values. This IEC time-lag glass fuse uses a cartridge configuration for clip or holder installation. Use the linked Littelfuse datasheet to confirm coordination, approvals and installation details.

Rated Current1.25A
Rated Voltage250V AC
Breaking Capacity35A @ 250VAC
Package5×20mm

For 1.25A service, 02181.25 is a listed member of the Littelfuse 218 Series. For coordination, use the 250V AC voltage rating together with the published 35A @ 250VAC interruption. This IEC time-lag glass fuse uses a cartridge configuration for clip or holder installation. The mechanical configuration is 5×20mm, installed by Cartridge / Clip and terminated with nickel-plated brass ferrule. Published dimensions are 5.2mm dia × 20mm body. Typical applications include Appliances, Consumer Electronics, Internal Circuit Protection, Power Supplies. Check the official Littelfuse datasheet before final coordination.

Technical Specifications

Part Number
02181.25
Manufacturer Part Number
02181.25
Series
218 Series
Fuse Type
5×20mm Time-Lag Glass Cartridge Fuse
Current Rating
1.25A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
35A @ 250VAC
I²t
12.65 A²s
Operating Temperature
-55°C to +125°C
Package / Dimensions
5×20mm
Mounting
Cartridge / Clip
Application
Appliances · Consumer Electronics · Internal Circuit Protection · Power supplies
Standard
IEC 60127-2 Sheet 3
Terminal Type
Nickel-plated Brass Ferrule
Fuse Speed
Time Delay
Utilization Class
Supplemental
Approvals
RoHS · UL Recognized
Certifications
UL Recognized · RoHS · Lead-Free; additional approvals vary by ampere rating/configuration
Body
Glass
Operating temperature
-55°C to +125°C
Nominal melting I²t
12.65 A²s

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