Littelfuse MA Varistor Series - Manual (Page 4)

© 2013 Littelfuse, Inc. 190
Revised: October 9, 2013
Varistor Products
MA Varistor Series
Axial Lead / Application Specifi c Varistors > MA Series
Specifi cations are subject to change without notice.
Please refer to www.littelfuse.com/series/ma.html for current information.
Wave Solder Profi le
0
50
100
150
200
250
300
0 0.5 1 1.5 2 2.5 3 3.5 4
TIME(MINUTES)
T
E
M
P
E
R
AT
URE
(
ºC)
Maximum Wave 240C
Lead–free Profi le
0
50
100
150
200
250
300
0 0.5 1 1.5 2 2.5 3 3.5 4
TIME(MINUTES)
TEMPER
A
TU
R
E (º
C
)
Maximum Wave 260C
Non Lead–free Profi le
Figure 9
Figure 10
4,000
3,000
2,000
1,000
900
800
700
600
500
400
300
200
100
10 -3 10 -2 10 -1 10 0 10 1 10 2 10 3
PEAK AMPERES (A)
V430MA7B
V390MA6B
V330MA5B
V270MA4B
V220MA4B
V180MA3B
V150MA2B
V120MA2B
MAXIMUM CLAMPING VOLTAGE
DISC SIZE 3mm
120 TO 430V N(DC) RATING
T A = -55 o C TO 85 o C
MAXIMUM PEAK
VO
LTS (V)
V120MA2B - V430MA7B
600
500
400
300
200
100
90
80
70
60
50
40
30
20
MAXIMUM PEAK
VO
LTS (V)
10 -3
PEAK AMPERES (A)
10 -2 10 -1 10 0 10 1 10 2 10 3
V33MA1B
V27MA1B
V22MA1B
V100MA4B
V82MA3B
V68MA3B
V18MA1B
MAX CLAMPING VOLTAGE
DISC SIZE 3mm
18 TO 100V N(DC) RATING
T A = -55 o C TO 85 o C
V47MA2B
V56MA2B
V39MA2B
V18MA1B - V100MA4B
Maximum Clamping Voltage
10 -2 10 -1 10 0 10 1 10 2
MAXIMUM PEAK
VO
LTS (V)
PEAK AMPERES (A)
MAX CLAMPING VOLTAGE
DISC SIZE 3mm
120 TO 430V N(DC) RATING
T A = -55 o C TO 85 o C
4,000
2,000
1,500
1,000
800
600
400
200
100
V430MA3A
V390MA3A
V330MA2A
V270MA2A
V220MA2A
V180MA1A
V150MA1A
V120MA1A/S
V120MA1A/S - V430MA3A
800
600
400
300
200
150
100
80
60
40
30
20
10 -2 10 -1 10 0 10 1 10 2
MAXIMUM PEAK
VO
LTS (V)
V100MA4A/S
V82MA3A/S
V68MA3A/S
V56MA2A/S
V39MA2A/S
V33MA1A/S
V27MA1A/S
V22MA1A/S
V18MA1A/S
PEAK AMPERES (A)
MAX CLAMPING VOLTAGE
DISC SIZE 3mm
18 TO 100V N(DC) RATING
T A = -55 o C TO 85 o C
V47MA2A/S
V18MA1A/S - V100MA4A/S
Figure 5
Figure 6
Figure 7
Figure 8