Littelfuse FUN Series - Manual

© 2012 Littelfuse • Transportation Products Catalog www.littelfuse.com
FUN MINI ® STYLE BLADE FUSE RATED 125V
Description
The FUN is a 125V rated MINI ® style fuse. It features a three part
construction with copper contacts for excellent reliability in harsh
environment conditions and low voltage drop. Current ratings 3A
thru 15A. Filled with arc-quenching material.
Specifications
Insulating Body: Out of thermoplastic (UL 94-V0, heat-resistant)
Cover: Out of thermoplastic V0
Red, not transparent
Terminals: Blade contacts
Copper alloy, gal. Sn plated
Edge-protected
Interrupting Rating: 1000 A @125 VDC
Time-Current Characteristics
% of Rating Opening Time Min / Max (s)
110 360,000 s / –
150 0.500 s / 900 s
200 0.150 s / 10 s
350 0.040 s / 0.500 s
600 0.015 s / 0.100 s
Ordering Information
Part Number Package Size
125.6785.xxx2 1000
125.6785.xxx7 50
Corresponding holder see Section “Fuse Holders.”
Ratings
Part Number Current Rating Housing Color Typ. Voltage Drop Cold Resistance I 2 t
125.6785.430_ 3 A 130 mV 35.0 mΩ 8.50 A²s
125.6785.440_ 4 A 120 mV 23.5 mΩ 14.5 A²s
125.6785.450_ 5 A 120 mV 18.0 mΩ 25.0 A²s
125.6785.475_ 7.5 A 110 mV 11.0 mΩ 60.0 A²s
125.6785.510_ 10 A 110 mV 8.00 mΩ 85.0 A²s
125.6785.515_ 15 A 110 mV 5.00 mΩ 155 A²s
Pre-Arcing Time-Limits
Dimensions
Dimensions in mm
FI = 1.43 (max. operating current :
0.7 x I
rat
at 23°C)
Blade Fuses
Blade Fuses