ZA Series
Absolute Maximum Ratings
For ratings of individual members of a series, see Device Ratings and Specifications chart.
ZA SERIES
Continuous:
Steady State Applied Voltage:
AC Voltage Range (V
M(AC)RMS
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DC Voltage Range (V
M(DC)
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transient:
Peak Pulse Current (I
TM
)
For 8/20
µ
s Current Wave (See Figure 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Single Pulse Energy Range (Note 1)
For 10/1000
µ
s Current Wave (W
TM
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Ambient Temperature Range (T
A
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range (T
STG
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Coefficient (
α
V) of Clamping Voltage (V
C
) at Specified Test Current . . . . . . . . . . . . . . . . .
Hi-Pot Encapsulation (Isolation Voltage Capability) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301) . . . .
Insulation Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNITS
4 to 460
5.5 to 615
V
V
50 to 6500
0.1 to 52
-55 to 85
-55 to 125
<0.01
2500
1000
A
J
o
C
o
C
%/
o
C
V
M
Ω
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied..
Device Ratings and Specifications
(Note 1)
VDE Certified. License Number 116895E
ZA Series Varistors are listed under UL File No. E135010 as a UL recognized component.
MAXIMUM RATING (85
o
C)
CONTINUOUS
TRANSIENT
ENERGY 10
x 1000
µ
s
W
TM
(J)
0.1
0.4
0.8
0.14
0.6
1.2
0.17
0.8
1.5
3.5
80 (Note 2)
0.2
0.9
2
4
100 (Note 2)
0.25
1
2.5
5
120 (Note 2)
PEAK
CURRENT
8 x 20
µ
s
I
TM
(A)
50
100
250
50
100
250
100
250
500
1000
2000
100
250
500
1000
2000
100
250
500
1000
2000
6
6
6
9
9
9
14.4
14.4
14.4
14.4
14.4
(Note 3)
18.7
18.7
18.7
18.7
19.2
(Note 3)
23
23
23
23
23
(Note 3)
VARISTOR VOLT-
AGE AT 1mA DC
TEST CURRENT
V
NOM
MIN
(V)
11
11
11
16
16
16
21.6
21.6
21.6
21.6
21.6
26
26
26
26
26
31.1
31.1
31.1
31.1
31.1
V
NOM
MAX
SPECIFICATIONS (25
o
C)
MAXIMUM
CLAMPING
VOLTAGE
8 x 20
µ
s
V
C
(V)
30
22
20
37
34
30
36
36
36
36
37
43
43
43
43
43
53
53
53
53
50
I
PK
(A)
1
2.5
5
1
2.5
5
1
2.5
5
10
20
1
2.5
5
10
20
1
2.5
5
10
20
TYPICAL
CAPACI-
TANCE
f = 1MHz
C
(pF)
1400
3000
7500
1200
2500
6000
1000
2000
5000
11000
22000
800
1600
4000
9000
18000
600
1300
3000
7000
13000
PART
NUMBER
V8ZA05
V8ZA1
V8ZA2
V12ZA05
V12ZA1
V12ZA2
V18ZA05
V18ZA1
V18ZA2
V18ZA3
V18ZA40
V22ZA05
V22ZA1
V22ZA2
V22ZA3
V24ZA50
V27ZA05
V27ZA1
V27ZA2
V27ZA4
V27ZA60
MODEL
SIZE
DISC
DIA. (mm)
5
7
10
5
7
10
5
7
10
14
20
5
7
10
14
20
5
7
10
14
20
V
RMS
V
M(AC)
BRAND
Z08
08Z1
08Z2
Z12
12Z1
12Z2
Z18
18Z1
18Z2
18Z3
18Z40
Z22
22Z1
22Z2
22Z3
24Z50
Z27
27Z1
27Z2
27Z4
27Z60
(V)
4
4
4
6
6
6
10
10
10
10
10
14
14
14
14
14
17
17
17
17
17
V
DC
V
M(DC)
(V)
5.5
5.5
5.5
8
8
8
14
14
14
14
14
18
18
18
18
18
(Note 4)
22
22
22
22
22
4-35
HARRIS [ HARRIS CORPORATION ]
