Littelfuse

Littelfuse 021706.3 6.3A 5×20mm Fast-Acting Glass Cartridge Fuse

Name: Littelfuse 021706.3 6.3A 5×20mm Fast-Acting Glass Cartridge Fuse
Brand: Littelfuse
SKU: 021706.3

Part Number: 021706.3

● Contact for Availability

Littelfuse 021706.3 pairs a 6.3A rating with fast-acting protection in a 5×20mm glass fuse; this code specifies the base cartridge configuration.

Rated Current6.3A

Rated Voltage250 V AC

Breaking Capacity63 A @ 250 VAC

Package5×20mm

Tags

021706.3 217 Series 5×20mm 6.3A catalog/base cartridge fast acting Littelfuse

021706.3 is an exact-ordering-code variant of the Littelfuse 217 Series 5×20mm glass fuse. It provides fast-acting protection at 6.3 A and 250 V AC; the documented interrupting rating is 63 A @ 250 VAC, with nominal melting I²t of 62.465 A²s. Its configuration is base cartridge configuration. Use the full part number for sourcing and confirm time-current coordination, temperature effects and installation requirements from the datasheet.

Technical Specifications

Part Number: 021706.3
Manufacturer Part Number: 021706.3
Series: 217 Series
Fuse Type: 5×20mm Glass Cartridge Fuse
Current Rating: 6.3A
Voltage Rating: 250 V AC
AC / DC: AC
Breaking Capacity: 63 A @ 250 VAC
I²t: 62.465 A²s nominal melting I²t
Pre-arcing I²t: 62.465
Operating Temperature: -55°C to +125°C
Package / Dimensions: 5×20mm
Mounting: Cartridge / Clip
Application: Power Electronics
Standard: IEC 60127-2
Terminal Type: Nickel-plated brass end caps
Fuse Speed: Fast Acting (F)
Approvals: CE · RoHS · UL Recognized
Certifications: CE; RoHS; UL Recognized; additional agency approvals vary by rating/form
Package/configuration: Base catalog ordering code; glass body with nickel-plated brass caps. Nominal melting I²t: 62.465 A²s. Series operating temperature: -55°C to +125°C.