Varistor products, Radial lead varistors > la series, La series – Littelfuse LA Varistor Series User Manual
Page 5: Maximum clamping voltage for 7mm parts, Repetitive surge capability for 7mm parts
© 2013 Littelfuse, Inc.
127
Revised: June 3, 2013
Varistor Products
LA Varistor Series
Radial Lead Varistors > LA Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/la.html for current information.
LA Series
200
6,000
5,000
4,000
3,000
1,000
900
800
700
600
500
400
300
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
4
MAXIMUM PEAK
V
O
L
TS (V)
PEAK AMPERES (A)
2,000
10
3
V150LA1(P)
V130LA1(P)
V300LA2(P)
V275LA2(P)
V250LA2(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
130 TO 300V
M(AC)
RATING
T
A
= -55
o
C TO 85
o
C
V130LA1(P) - V300LA2(P)
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
T
A
= -55
o
C TO 85
o
C
320 TO 480V
M(AC)
RATING
V420LA7
(P)
V385LA7
(P)
V320LA7
(P)
V460LA7
(P)
V480LA7
(P)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
4
10
3
5,000
3,000
2,000
1,000
500
PEAK AMPERES (A)
MAXIMUM PEAK
V
O
L
TS (V)
V320LA7(P) - V480LA7(P)
Maximum Clamping Voltage for 7mm Parts
V130LA2(P) - V300LA4(P)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
4
MAXIMUM PEAK
V
O
L
TS (V)
PEAK AMPERES (A)
10
3
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 7mm
130 TO 300V
M(AC)
RATING
T
A
= -55
o
C TO 85
o
C
V300LA4(P)
V275LA4(P)
V250LA4(P)
V230LA4(P)
V130LA2(P)
V140LA2(P)
V150LA2(P)
V175LA2(P)
Transient V-I Characteristics Curves
Pulse Rating Curves
2,000
1,000
200
100
50
20
10
5
1
2
500
20
100
1,000
10,000
IMPULSE DURATION (
μs)
SURGE CURRENT (A)
1
2
10
10
2
10
4
10
5
10
6
MODEL SIZE 7mm
V130LA1(P) - V480LA7(P)
10
3
INDEFINITE
Repetitive Surge Capability for 7mm Parts
V130LA1(P) - V480LA7(P)
Figure 3
Figure 4
Figure 5
Figure 6