Littelfuse FP1 Series User Manual
Fp1 mini, Style pcb fuse rated 32v, Blade fuses
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
I
2
t
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