Littelfuse FUN Series User Manual
Fun mini, Style blade fuse rated 125v, Blade fuses
© 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