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Littelfuse

Littelfuse 37400500410 0.05A 250V TR5 Radial Time-Lag Fuse

Part Number: 37400500410

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37400500410 is Littelfuse’s 0.05A selection in the 374 Series. This variant combines 250V AC operation with published 50A @ 250VAC interruption. The TR5 radial package is intended for PCB mounting and this ordering code specifies short-lead bulk packaging in 1,000-piece quantity. Confirm application fit, derating and approvals with the manufacturer datasheet.

Rated Current0.05A
Rated Voltage250V AC
Breaking Capacity50A @ 250VAC
PackageTR5 Radial

The Littelfuse 374 Series identifies 37400500410 as its 0.05A option. Voltage and fault-current selection are defined by 250V AC and 50A @ 250VAC, respectively. The TR5 radial package is intended for PCB mounting and this ordering code specifies short-lead bulk packaging in 1,000-piece quantity. Its form factor is TR5 Radial; the mounting method is PCB Through-Hole, and the terminal style is tin-plated copper radial pins. Published dimensions are Ø8.5 × 8mm max body; 5.08mm lead spacing. Typical applications include Battery Chargers, Consumer Electronics, Power Supplies, Industrial Controllers. Check the official Littelfuse datasheet before final coordination.

Technical Specifications

Part Number
37400500410
Manufacturer Part Number
37400500410
Series
374 Series
Fuse Type
TR5 Time-Lag Radial Lead Fuse
Current Rating
0.05A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
50A @ 250VAC
I²t
0.011 A²s
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
UL 248-14
Terminal Type
Tin-plated Copper Radial Pins
Fuse Speed
Time Delay
Utilization Class
Supplemental
Approvals
CSA · RoHS · UL Recognized
Certifications
cULus · RoHS · Lead-Free · CSA
Body
Brown thermoplastic polyamide PA 6.6, UL 94 V-0
Operating temperature
-40°C to +85°C
Melting integral at 10×IN
0.011 A²s

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