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Littelfuse

Littelfuse 021806.3 6.3A 250V 5×20mm Time-Lag Glass Fuse

Part Number: 021806.3

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Littelfuse 021806.3 is configured as a 6.3A member of the 218 Series. Its rating set pairs 250V AC service with 63A @ 250VAC interrupting performance. 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 Current6.3A
Rated Voltage250V AC
Breaking Capacity63A @ 250VAC
Package5×20mm

For 6.3A service, 021806.3 is a listed member of the Littelfuse 218 Series. Its manufacturer ratings call out 250V AC service and 63A @ 250VAC breaking capacity. 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
021806.3
Manufacturer Part Number
021806.3
Series
218 Series
Fuse Type
5×20mm Time-Lag Glass Cartridge Fuse
Current Rating
6.3A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
63A @ 250VAC
I²t
198.5 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
198.5 A²s

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