119
Varistor Products
©2009 Littelfuse, Inc.
Revision: November 5, 2009
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 S
eries
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 (
s)
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
Summary :
LA S eries 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 ( s) 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
Tags :
maximum,7mm,peak,1000,300,figure,size,rating,clamping,500,model,oltage,2000