www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog
FP1 MINI® STYLE PCB FUSE RATED 32V
Description
The FP1 is a MINI® style fuse for direct trough-hole pcb soldering.
The FP1 has similar performance characteristics as the standard
FK1 fuse.
Specifications
Insulating body: Out of thermoplastic (UL 94-V0, heat-resistant)
Cover: Out of thermoplastic (V0, transparent),
Visible melting-element
Shunt: Red, not transparent
Terminals: Soldering pins
Copper alloy, gal. Sn plated
Interrupting Rating: 1000 A @ 32 VDC
Complies with: UL 248 Special Purpose Fuses
cULus Recognized: File No. E10480
Time-Current Characteristics
% of Rating Opening Time Min / Max (s)
110 360,000 s /
135 0.750 s / 1,800 s
200 0.150 s / 5 s
350 0.040 s / 0.500 s
600 0.020 s / 0.100 s
Ordering Information
Part Number Package Size
168.6585.xxx2 1500
168.6585.xxx6 100
*Not mentioned in the standards
Ratings
Part Number Current Rating Housing Color Typ. Voltage Drop
Littelfuse max. Cold Resistance I2t
168.6585.410_ 1 A 135 mV 100 mΩ 0.83 A²s
168.6585.420_ 2 A 110 mV 43.0 mΩ 3.31 A²s
168.6585.430_ 3 A 110 mV 27.0 mΩ 7.45 A²s
168.6585.440_ 4 A 110 mV 21.3 mΩ 16.7 A²s
168.6585.450_ 5 A 105 mV 16.2 mΩ 19.8 A²s
168.6585.475_ 7.5 A 100 mV 9.70 mΩ 44.5 A²s
168.6585.510_ 10 A 110 mV 7.40 mΩ 79.2 A²s
168.6585.515_ 15 A 105 mV 4.50 mΩ 178 A²s
168.6585.520_ 20 A* 100 mV 3.10 mΩ 331 A²s
168.6585.525_ 25 A* 105 mV 2.60 mΩ 653 A²s
168.6585.530_ 30 A* 105 mV 1.90 mΩ 1,264 A²s
160.6585.0002 Shunt* 60 mV 1.35 mΩ 1,800 A²s
Blade Fuses
© 2012 Littelfuse • Transportation Products Catalogwww.littelfuse.com
FP1 MINI® STYLE PCB FUSE RATED 32V
Pre-Arcing Time-LimitsDimensions
Dimensions in mm
FI = 1.33 (max. operating current: 0.75 x Irat at 23°C)
Blade Fuses Blade Fuses