Surge Absorber
(Spark Gap)
MSA Series
MSA1 SERIES
F
EATURES
•
•
•
•
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Response time<1ns
MSA1 Surge Current is 3000A
Stable and very Small electrostatic capacitance (<0.8pf) and great
isolation(>100M)
Standard protection required by US UL497A and UL497B
Small size
DIMENSION
Item
L
L1
D
d
ELECTRICAL CHARACTERISTICS
DC
S pa rk- O ve r
V olta ge
Vs
(V )
MS A1 X X0 0 70 2
MS A1 X X0 1 50 2
MS A1 X X0 2 00 2
MS A1 X X0 2 50 2
MS A1 X X0 3 50 2
MS A1 X X0 5 00 2
MS A1 X X0 7 50 2
MS A1 X X0 9 00 2
MS A1 X X1 0 00 2
MS A1 X X1 2 00 2
MS A1 X X1 3 50 2
MS A1 X X1 5 00 2
MS A1 X X1 8 00 2
MS A1 X X2 0 00 2
MS A1 X X2 2 50 2
MS A1 X X2 5 00 2
1 40
3 00
4 00
5 00
7 00
1 00 0
1 50 0
1 80 0
2 00 0
2 40 0
2 70 0
3 00 0
3 60 0
4 00 0
4 50 0
5 00 0
M inim um
Ins ula tion R es is ta nc e
Te s t V olta ge
(V )
50
25 0
25 0
50 0
50 0
50 0
50 0
50 0
50 0
50 0
50 0
50 0
50 0
50 0
50 0
50 0
Irohm
(MΩ )
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
10 0
M ax im u
Ca pa c ita nc e
(1 KHz -6 V
M AX
)
C
(pF)
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
0 .8
3 0 00
S urge c urren t
c a pa cit y
8/2 0µs (A)
MSA1
4.0±0.5
5.3±0.5
7.0±0.5
28.0±3.0
φ3.1±0.5
φ4.1±0.3
φ0.5±0.05
S urge Life
Te st
8 /2 0µs , 10 0 A
PA RT NU MBE R
2 50 time s
Note: Vs±XX%
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