Blade Fuses
ATOF
®
Blade Fuses Rated 32V
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.
ATOF
®
(Tin Plated)
Voltage Rating:
32 VDC
Interrupting Rating:
1000A @ 32 VDC
*Component Level Temperature Range:
-40˚C to +105˚C
**System Level Temperature Range:
-40˚C to +85˚C
105°C and 85°C are typical system level temperature requirements.
Terminals:
Sn plated zinc alloy
Housing Material:
PA66
Complies with:
SAE J1284,ISO 8820-3
UL Listed:
File AU1410
CSA Certified:
File No. 29862
Specification
ATOF
®
Blade Fuses
ATO Ag
(Silver Plated)
32 VDC
1000A @ 32 VDC
-40˚C to +125˚C
-40˚C to +105˚C
Ag plated zinc alloy
PA66
SAE J1284,ISO 8820-3
File AU1410
File No. 29862
ATO
®
Ag (Silver plated)
Blade Fuses
Time-Current Characteristics
Ordering Information
Part Number
0287xxx.PXCN
0287xxx.U
0287xxx.H
0287xxx.L
Time-Current
Characteristic Curves
% of Rating
Package Size
2000
500
100
50
100
110
135
160
200
2000
350
600
Current
Rating
35A & 40A
1A-30A
1A & 2A
3A-40A
1A-40A
1A & 2A
3A-40A
1A & 2A
3A-40A
1A-30A
35A & 40A
Opening Time
Min / Max (s)
360,000 s / –
360,000 s / –
350 ms / 600 s
0.750 s / 600 s
250 ms / 50 s
100 ms / 5.0 s
0.150 s / 5.0 s
20 ms / 500 ms
80 ms / 500 ms
– / 100 ms
– / 150 ms
ATO
®
Ag Fuse
0287xxx.PXS
Ratings
Part Number
0287001._
0287002._
0287003._
0287004._
0287005._
028707.5_
0287010._
0287015._
0287020._
0287025._
Current Rating
(A)
1
2
3
4
5
7.5
10
15
20
25
30
35
40
Housing
Material Color
Typ. Voltage Drop
(mV)
176
141
137
136
128
116
109
102
98
92
84
87
96
Cold Resistance
(mΩ)
123
53.5
31.1
22.8
17.85
10.91
7.70
4.80
3.38
2.52
1.97
1.61
1.44
I
2
t
(A
2
s)
0.4
1.4
7.4
14
26
60
115
340
520
1080
1510
2280
3310
Temperature Rerating Curve
0287030._
0287035._
0287040._
Dimensions
Dimensions in mm
*Component
Level Temperature
= the maximum ambient temperature that a
single fuse will survive. This does not factor-in the heat from a populated
fuse box, but does include the heat from the current load with the proper
rerating. **System
Level Temperature
represents the ambient temperature of
the fuse box at a location within the vehicle. The temperature within a
populated fuse box (in a given location) will be higher. The limiting factor is
the plating. Sn-plating’s temperature limit is
≈130°C,
and Ag-plating allows up
to 150°C at the terminal interface.
Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for
surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse
product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages
arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless
otherwise agreed by Littelfuse.
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