Blade Fuses
FK1 MINI STYLE BLADE FUSE RATED 32V
Specifications
Insulating Body: Out of thermoplastic (UL 94-V0, heat-resistant)
Interrupting Rating: 1000 A @32 VDC
Cover: Out of thermoplastic (V0, transparent)
Visible melting-element
Shunt: Red, not transparent
Terminals: Blade contacts
Copper alloy, gal. Sn plated
Edge-protected
Complies with: ISO 8820-3:2002(E)
UL 248 Special Purpose Fuses
cULus Recognized: File No. E10480
Ordering Information
Part Number Package Size
168.6785.xxx2 8000
168.6785.xxx7 50
Description
The FK1 32V automotive standard fuse link in a MINI package.
Time-Current Characteristics
Three part construction with copper contacts for excellent
reliability in harsh environment conditions with low voltage drop.
% of Rating Opening Time Min / Max (s)
Current ratings 1A thru 30A. See-through cover for easy detection
of blown fuses.
110 360,000 s /
135 0.75 s / 1,800 s
200 0.15 s / 5 s
350 0.040 s / 0.500 s
600 0.020 s / 0.100 s
Ratings
2
Part Number Current Rating Housing Color Typ. Voltage Drop Cold Resistance I t
168.6785.410_ 1A 135 mV 100 m 0.83 As
168.6785.420_ 2A 110 mV 43.0 m 3.31 As
168.6785.430_ 3A 110 mV 27.0 m 7.45 As
168.6785.440_ 4A 110 mV 21.3 m 16.7 As
168.6785.450_ 5A 105 mV 16.2 m 19.8 As
168.6785.475_ 7.5A 100 mV 9.70 m 44.5 As
168.6785.510_ 10A 110 mV 7.40 m 79.2 As
168.6785.515_ 15A 105 mV 4.50 m 178 As
168.6785.520_ 20A* 100 mV 3.10 m 331 As
168.6785.525_ 25A* 120 mV 2.60 m 653 As
168.6785.530_ 30A* 105 mV 1.95 m 1,264 As
160.6785.000_ Shunt* 60 mV 1.35 m 1,800 As
* No UL Certification Available
Corresponding holder see Section Fuse Holders.
www.littelfuse.com Blade Fuses
FK1 MINI STYLE BLADE FUSE RATED 32V
Pre-Arcing Time-Limits
Dimensions
Dimensions in mm
FI = 1.33 (max. operating current: 0.75 x I at 23C)
rat
www.littelfuse.com