Littelfuse ATOF 32V User Manual
Blade Fuses
ATOF® BLADE FUSE RATED 32V
Description
Developed by Littelfuse for the automotive industry, the ATOF®
fuse has become the original equipment circuit protection
standard for foreign and domestic automobiles and trucks.
Readily identifiable and easily replaced, this fuse can be
specified for a variety of low voltage electronic applications.
Specifications
Voltage Rating: 32 VDC
Interrupting Rating: 1000A @ 32 VDC
Operating Temperature Range: -40˚C to +105˚C
Terminals: Sn plated zinc alloy
Housing Material: PA66
Complies with: ISO 8820-3
UL 248 Special Purpose Fuse
Ordering Information
Part Number Package Size
0287xxx.PXCN 2000
0287xxx.U 500
0287xxx.H 100
0287xxx.L 50
Time-Current Characteristics
% of Rating Opening Time
Opening Time
Min / Max (s)
100 35-40 360,000 s / –
110 1-30 360,000 s / –
1-2
3-40
1-2
3-40
1-2
3-40
1-30
35-40
Ratings
135
160 1-40 250 ms / 50 s
200
350
600
Part Number Current Rating Housing Color Typ. Voltage Drop Cold Resistance I2t
0287001._ 1 A 176 mV 123 mΩ 0.4 A²s
0287002._ 2 A
0287003._ 3 A
0287004._ 4 A
0287005._ 5 A
028707.5_ 7.5 A
0287010._ 10 A
0287015._ 15 A
0287020._ 20 A
0287025._ 25 A
0287030._ 30 A
0287035._ 35 A
0287040._ 40 A
Corresponding holder see Section “Fuse Holders.”
141 mV 53.5 mΩ 1.4 A²s
137 mV 31.1 mΩ 7.4 A²s
136 mV 22.8 mΩ 14 A²s
128 mV 17.85 mΩ 26 A²s
116 mV 10.91 mΩ 60 A²s
109 mV 7.70 mΩ 115 A²s
102 mV 4.80 mΩ 340 A²s
98 mV 3.38 mΩ 520 A²s
92 mV 2.52 mΩ 1080 A²s
84 mV 1.97 mΩ 1510 A²s
87 mV 1.61 mΩ 2280 A²s
96 mV 1.44 mΩ 3310 A²s
© 2012 Littelfuse • Transportation Products Catalogwww.littelfuse.com
350 ms / 600 s
0.750 s / 600 s
100 ms / 5.0 s
0.150 s / 5.0 s
20 ms / 500 ms
80 ms / 500 ms
– / 100 ms
– / 150 ms
ATOF® BLADE FUSE RATED 32V
Blade Fuses
Dimensions
Dimensions in mm
Temperature Rerating Curve
Time-Current Characteristic Curves
www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog
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