
© 2012 Littelfuse • Transportation
Products Catalogwww.littelfuse.com
FK3 MAXI
®
STYLE BLADE FUSE RATED 32V
Description
The FK3 32V automotive standard fuse link in MAXI
®
size. Three
part construction with copper contacts for excellent reliability in
harsh environment conditions with low voltage drop. Current
ratings 20A thru 100A. With see-through cover for easy detection
of blown fuses.
Specifications
Insulating Body: Out of thermoplastic (UL 94-V0, heat-resistant)
Cover: Out of thermoplastic (UL 94-V0, heat-resistant)
Visible melting-element
Terminals: Blade contacts
Copper alloy, gal. Sn
Edge-protected
Interrupting Rating: 1000 A @32 VDC
Complies with: SAE J 1888
ISO 8820-3:2002(E)
UL 248 Special Purpose Fuses
Time-Current Characteristics
% of Rating Opening Time Min / Max (s)
100 360,000 s / -
135 60 s / 1,800 s
200 2 s / 60 s
350 0.20 s / 7 s
600 0.040 s / 1 s
Ordering Information
Part Number Package Size
169.6885.xxx2 1000
169.6885.xxx1 10
* Not mentioned in the standards
Corresponding holder see Section “Fuse Holders.”
Ratings
Part Number Current Rating Housing Color
Typ. Voltage Drop
Littelfuse max.
Cold Resistance I
2
t
169.6885.520_ 20 A 95 mV 3.80 mΩ 1,900 A²s
169.6885.525_ 25 A*
100 mV 2.80 mΩ 2,300 A²s
169.6885.530_ 30 A
80 mV 2.10 mΩ 6,000 A²s
169.6885.535_ 35 A*
100 mV 1.70 mΩ 8,400 A²s
169.6885.540_ 40 A
85 mV 1.60 mΩ 12,000 A²s
169.6885.550_ 50 A
80 mV 1.20 mΩ 26,000 A²s
169.6885.560_ 60 A
85 mV 0.90 mΩ 45,000 A²s
169.6885.570_ 70 A
90 mV 0.80 mΩ 70,000 A²s
169.6885.580_ 80 A
75 mV 0.72 mΩ 94,000 A²s
169.6885.610_ 100 A*
95 mV 0.50 mΩ 140,000 A²s
Blade Fuses
Blade Fuses
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