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Littelfuse

Littelfuse 03261.25 1.25A 250V 3AB Slo-Blo Ceramic Cartridge Fuse

Part Number: 03261.25

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Littelfuse 03261.25 pairs a 1.25A current rating with 250V AC operation in the 326 Series. It combines 3AB Slo-Blo ceramic fuse performance with a documented 100A @ 250VAC interrupting rating. Final selection should follow the published Littelfuse specifications.

Rated Current1.25A
Rated Voltage250V AC
Breaking Capacity100A @ 250VAC
Package6.3×32mm

Part 03261.25 from the Littelfuse 326 Series is specified at 1.25A and 250V AC. With a 6.3×32mm form factor, the part is intended for cartridge / clip mounting and carries a 100A @ 250VAC primary rating. Published dimensions for this rating/configuration are 32.72 × 6.985mm body. The standard-series nominal melting I²t for this rating is 40 A²s. It is intended for Appliances, Utilization Equipment, Internal Circuit Protection. Validate the final circuit against UL 248-14, approvals and the official technical data.

Technical Specifications

Part Number
03261.25
Manufacturer Part Number
03261.25
Series
326 Series
Fuse Type
3AB Slo-Blo Ceramic Cartridge Fuse
Current Rating
1.25A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
100A @ 250VAC
I²t
40 A²s
Operating Temperature
-55°C to +125°C
Package / Dimensions
6.3×32mm
Mounting
Cartridge / Clip
Application
Appliances · Internal Circuit Protection · Utilization Equipment
Standard
UL 248-14
Terminal Type
Ferrule
Fuse Speed
Time Delay
Utilization Class
Supplemental
Approvals
RoHS
Certifications
RoHS · Lead-Free; agency approvals vary by ampere rating/configuration
Body
Ceramic
Caps
Nickel-plated brass
Operating temperature
-55°C to +125°C
Nominal melting I²t
40 A²s

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