LA70QS35-4 Datasheet, PDF (2/2 Pages) Littelfuse – Special Purpose Fuses

Special Purpose Fuses
LA70QS Semiconductor Fuses
700 VAC  •  Very Fast Acting  •  35 – 800 Amperes
Catalog Numbers & Technical Data
Ampere
Rating
35
40
50
60
70
80
90
100
125
125
150
150
175
175
Littelfuse
Catalog
Number
Mounting
Type
Maximum
Clearing I²t @700
VAC (A²S x 10³)
Watts Loss @
Rated Current (W)
LA70QS35-4
4
0.47
6.2
LA70QS40-4
4
0.58
7.5
LA70QS50-4
4
0.88
9.8
LA70QS60-4
4
1.2
12
LA70QS70-4
4
1.8
15
LA70QS80-4
4
2.3
16
LA70QS90-4
4
3
20
LA70QS100-4
4
3.6
24
LA70QS125-4
4
6.9
22
LA70QS125-4K 4K
6.9
22
LA70QS150-4
4
11
28
LA70QS150-4K 4K
11
29
LA70QS175-4
4
14
35
LA70QS175-4K 4K
14
35
Ampere
Rating
Littelfuse Mounting
Catalog Number Type
Maximum
Clearing I²t @700
VAC (A²S x 10³)
Watts Loss @
Rated Current (W)
200 LA70QS200-4
4
19
41
200 LA70QS200-4K
4
19
41
250 LA70QS250-4
4
42
42
300 LA70QS300-4
4
55
53
350 LA70QS350-4
4
72
64
400 LA70QS400-4
4
99
75
450 LA70QS450-4
4
125
75
450 LA70QS450-4K 4K
125
75
500 LA70QS500-4
4
150
92
500 LA70QS500-4K 4K
160
92
600 LA70QS600-4
4
222
116
600 LA70QS600-4K 4K
222
116
700 LA70QS700-4
4
332
125
800 LA70QS800-4
4
433
143
Dimensions
Amperes
Mount. Type
A
35 – 100
4
4.38
(111)
125 – 200
4
4.38
(111)
125 – 200
4K
5.09
(129)
225 – 400
4
5.09
(129)
450 – 600
4
5.09
(129)
450 – 600
4K
7.09
(180)
700 – 800
4
7.09
(180)
Contact Littelfuse for characteristic curves.
B
1.00
(25.4)
1.22
(31.0)
1.22
(31.0)
1.50
(38.1)
2.00
(50.8)
2.00
(50.8)
2.50
(63.5)
Dimensions in Inches (mm in parentheses)
C
D
E
F
2.88
3.69
3.50
0.31
(73)
(93.6)
(88.9)
(7.9)
2.88
3.69
3.56
0.31
(73)
(93.6)
(90.5)
(7.9)
2.88
4.19
3.50
0.41
(73)
(106)
(88)
(10.3)
2.84
4.16
3.53
0.40
(72.2)
(106)
(89.7)
(10.3)
2.84
4.16
3.53
0.41
(72.2)
(106)
(89.7)
(10.3)
2.84
6.16
3.53
0.53
(72.2)
(156)
(89.7)
(13.5)
2.84
5.28
4.91
0.53
(72.2)
(134)
(125)
(13.5)
Dimensions for reference only.
G
H
0.75
0.13
(19.0)
(3.2)
1.00
0.19
(25.4)
(4.8)
1.00
0.19
(25.4)
(4.8)
1.50
0.25
(38.1)
(6.4)
1.50
0.25
(38.1)
(6.4)
1.50
0.25
(38.1)
(6.4)
2.00
0.38
(50.8)
(9.5)
© 2005 Littelfuse • POWR-GARD^™ Products Catalog
www.littelfuse.com
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