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Littelfuse

Littelfuse 37201250075 0.125A 250V TR5 Time-Lag Radial Fuse

Part Number: 37201250075

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Selected for PCB protection, Littelfuse 37201250075 provides a 0.125A 250V TR5 time-lag rating in a compact radial through-hole format with its specified lead option.

Rated Current0.125A
Rated Voltage250V AC
Breaking Capacity35A @ 250VAC; 50A @ 125VDC
PackageTR5 Radial

As a cataloged protection device, Littelfuse 37201250075 provides 0.125A time-lag protection at 250V AC in the TR5 radial format. The through-hole fuse uses radial leads, a compact Ø8.5 × 8mm maximum body, and published breaking capability of 35A @ 250VAC; 50A @ 125VDC. Its melting integral at 10× rated current is 0.1094 A²s for coordination work. Confirm the mounting format and electrical ratings against the equipment design before ordering. Selection should account for steady current and fault-energy demands rather than current rating alone.

Technical Specifications

Part Number
37201250075
Manufacturer Part Number
37201250075
Series
372 Series
Fuse Type
TR5 Radial Time-Lag Fuse
Current Rating
0.125A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
35A @ 250VAC; 50A @ 125VDC
I²t
Melting integral at 10×In: 0.1094 A²s
Pre-arcing I²t
0.1094
Operating Temperature
-40°C to +85°C
Package / Dimensions
TR5 Radial
Mounting
PCB Through-Hole
Application
Battery chargers · Consumer Electronics · Industrial Controls · Power supplies
Standard
IEC 60127-3 · UL/CSA/NMX 248-1 and 248-14
Terminal Type
Radial Leads
Fuse Speed
Time Delay
Utilization Class
TR5
Approvals
CSA · IEC · NMX · UL Recognized
Certifications
IEC · UL Recognized · CSA · NMX
Ordering package code
0075
Packaging / lead option
7.5mm Lead-Pitch Option
Pack quantity
pack quantity per ordering code
Melting integral at 10×In
0.1094 A²s

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