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Littelfuse

Littelfuse 37216300431 6.3A 250V TR5 Time-Lag Radial Fuse

Part Number: 37216300431

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Cataloged for PCB protection, Littelfuse 37216300431 provides a 6.3A 250V TR5 time-lag rating in a compact radial through-hole format with its specified lead option.

Rated Current6.3A
Rated Voltage250V AC
Breaking Capacity50A @ 250VAC
PackageTR5 Radial

For engineering cross-reference, Littelfuse 37216300431 provides 6.3A time-lag protection at 250V AC in the TR5 radial format. The through-hole fuse uses short radial leads, a compact Ø8.5 × 8mm maximum body, and published breaking capability of 50A @ 250VAC. Its melting integral at 10× rated current is 138.915 A²s for coordination work. Confirm the exact package suffix and electrical ratings when replacing an existing fuse. Compare speed, approvals and mounting details before treating another fuse as an equivalent.

Technical Specifications

Part Number
37216300431
Manufacturer Part Number
37216300431
Series
372 Series
Fuse Type
TR5 Radial Time-Lag Fuse
Current Rating
6.3A
Voltage Rating
250V AC
AC / DC
AC
Breaking Capacity
50A @ 250VAC
I²t
Melting integral at 10×In: 138.915 A²s
Pre-arcing I²t
138.915
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
Short Radial Leads
Fuse Speed
Time Delay
Utilization Class
TR5
Approvals
CSA · IEC · NMX · UL Recognized
Certifications
IEC · UL Recognized · CSA · NMX
Ordering package code
0431
Packaging / lead option
Bulk, Short Leads
Pack quantity
200 pcs
Melting integral at 10×In
138.915 A²s

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