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Littelfuse

Littelfuse 37314000430 4A 250V TR5 Fast-Acting PCB Fuse

Part Number: 37314000430

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Littelfuse 37314000430, 4A fast-acting TR5 radial PCB fuse, 250 V AC; short-lead bulk configuration with nominal melting I²t 3.5 A²s.

Rated Current4A
Rated Voltage250 V AC
Breaking Capacity50 A @ 250 VAC
PackageTR5 Radial

Littelfuse 37314000430 combines a 4 A rating, fast-acting response and TR5 radial PCB fuse construction in the 373 Series family. The selected ordering variant is the short-lead bulk configuration. Electrical data includes 50 A @ 250 VAC interrupting capability and 3.5 A²s nominal melting I²t. For substitution or design-in, compare the exact package code, ambient derating and time-current behavior with the official datasheet.

Technical Specifications

Part Number
37314000430
Manufacturer Part Number
37314000430
Series
373 Series
Fuse Type
TR5 Radial PCB Fuse
Current Rating
4A
Voltage Rating
250 V AC
AC / DC
AC
Breaking Capacity
50 A @ 250 VAC
I²t
3.5 A²s nominal melting I²t
Pre-arcing I²t
3.5
Operating Temperature
-40°C to +85°C
Package / Dimensions
TR5 Radial
Mounting
PCB Through-Hole
Application
Power Electronics
Standard
UL 248-14
Terminal Type
Tin-plated copper short radial leads
Fuse Speed
Fast Acting (F)
Approvals
CSA · RoHS · UL Recognized
Certifications
UL Recognized; CSA; RoHS
Package/configuration
Short-lead bulk, 200 pcs. Nominal melting I²t: 3.5 A²s. Radial subminiature body; 5.08 mm lead pitch. Verify exact lead dimensions in the official datasheet.

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