Littelfuse ATOF 32V Series User Manual
Atof, Blade fuse rated 32v, Blade fuses

© 2012 Littelfuse • Transportation
Products Catalog
www.littelfuse.com
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 / –
135
1-2
3-40
350 ms / 600 s
0.750 s / 600 s
160
1-40
250 ms / 50 s
200
1-2
3-40
100 ms / 5.0 s
0.150 s / 5.0 s
350
1-2
3-40
20 ms / 500 ms
80 ms / 500 ms
600
1-30
35-40
– / 100 ms
– / 150 ms
Ratings
Part Number
Current Rating
Housing Color
Typ. Voltage Drop
Cold Resistance
I
2
t
0287001._
1 A
176 mV
123 mΩ
0.4 A²s
0287002._
2 A
141 mV
53.5 mΩ
1.4 A²s
0287003._
3 A
137 mV
31.1 mΩ
7.4 A²s
0287004._
4 A
136 mV
22.8 mΩ
14 A²s
0287005._
5 A
128 mV
17.85 mΩ
26 A²s
028707.5_
7.5 A
116 mV
10.91 mΩ
60 A²s
0287010._
10 A
109 mV
7.70 mΩ
115 A²s
0287015._
15 A
102 mV
4.80 mΩ
340 A²s
0287020._
20 A
98 mV
3.38 mΩ
520 A²s
0287025._
25 A
92 mV
2.52 mΩ
1080 A²s
0287030._
30 A
84 mV
1.97 mΩ
1510 A²s
0287035._
35 A
87 mV
1.61 mΩ
2280 A²s
0287040._
40 A
96 mV
1.44 mΩ
3310 A²s
Corresponding holder see Section “Fuse Holders.”
Blade Fuses