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Littelfuse

Littelfuse 02391.25MRET1P 1.25A 250V Slo-Blo 5×20mm Glass Fuse – Axial Lead

Part Number: 02391.25MRET1P

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Suited to electronic circuits, Littelfuse 02391.25MRET1P is a 1.25A 250V Slo-Blo 5×20mm glass fuse with axial leads construction.

Rated Current1.25A
Rated Voltage250V AC
Breaking Capacity100A @ 250VAC; 10kA @ 125VAC
Package5×20mm

In the published Littelfuse range, Littelfuse 02391.25MRET1P is a 1.25A, 250V AC Slo-Blo fuse in the 5×20mm 239 Series. The glass-body device uses axial leads terminals with through-hole / axial lead installation and has 100A @ 250VAC; 10kA @ 125VAC interrupting capability. Nominal melting energy for this rating is 19.525 A²s, with UL/CSA/ANCE supplementary-fuse recognition. Match the current, voltage and interrupting level to the protected circuit before installation. For alternate-part review, confirm fuse class, terminal style and installation method in addition to ratings.

Technical Specifications

Part Number
02391.25MRET1P
Manufacturer Part Number
02391.25MRET1P
Series
239 Series
Fuse Type
5×20mm Glass Slo-Blo Fuse
Current Rating
1.25A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
100A @ 250VAC; 10kA @ 125VAC
I²t
Nominal melting I²t: 19.525 A²s
Pre-arcing I²t
19.525
Operating Temperature
-55°C to +125°C
Package / Dimensions
5×20mm
Mounting
PCB Axial Lead · PCB Through-Hole
Application
Consumer Electronics · General Electronics · Power supplies
Standard
UL/CSA/NMX 248-1 and 248-14
Terminal Type
Axial Leads
Fuse Speed
Time-Delay / Slo-Blo
Utilization Class
Supplemental
Approvals
ANCE · CSA · UL Recognized
Certifications
UL Recognized · CSA · ANCE
Construction
Glass body
Ordering suffix
MRET1P
Packaging
Reel / Tape, 1000 pcs
Nominal melting I²t
19.525 A²s

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