Littelfuse

Littelfuse 02171.25 1.25A 5×20mm Fast-Acting Glass Cartridge Fuse

Name: Littelfuse 02171.25 1.25A 5×20mm Fast-Acting Glass Cartridge Fuse
Brand: Littelfuse
SKU: 02171.25

Part Number: 02171.25

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Littelfuse 02171.25, 1.25A fast-acting 5×20mm glass fuse, 250 V AC; base cartridge configuration with nominal melting I²t 2.23 A²s.

Rated Current1.25A

Rated Voltage250 V AC

Breaking Capacity35 A @ 250 VAC

Package5×20mm

Tags

02171.25 1.25A 217 Series 5×20mm catalog/base cartridge fast acting Littelfuse

Littelfuse part 02171.25 identifies a base cartridge configuration within the 217 Series 5×20mm glass fuse range. Key ratings are 1.25 A, 250 V AC, fast-acting operation, 35 A @ 250 VAC interrupting capability and 2.23 A²s nominal melting I²t. This page is keyed to the exact orderable variant rather than only the base series; check the latest datasheet for final circuit-protection selection.

Technical Specifications

Part Number: 02171.25
Manufacturer Part Number: 02171.25
Series: 217 Series
Fuse Type: 5×20mm Glass Cartridge Fuse
Current Rating: 1.25A
Voltage Rating: 250 V AC
AC / DC: AC
Breaking Capacity: 35 A @ 250 VAC
I²t: 2.23 A²s nominal melting I²t
Pre-arcing I²t: 2.23
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: 2.23 A²s. Series operating temperature: -55°C to +125°C.