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Varistor Products
ZA Varistor Series
Low to Medum Voltage, Radial Lead
Absolute Maximum Ratings
For ratings of individual members of a series, see Device Ratings and Specifications chart.
Continuous:
Steady State Applied Voltage:
AC Voltage Range (VM(AC)RMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 to 460
DC Voltage Range (VM(DC)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 to 615
Transient:
Peak Pulse Current (ITM)
For 8/20μs Current Wave (See Figure 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 to 6500
Single Pulse Energy Range (Note 1)
For 10/1000μs Current Wave (WTM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 to 52
Operating Ambient Temperature Range (TA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to85
Storage Temperature Range (TSTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to125
Temperature Coefficient (
V) of Clamping Voltage (VC) at Specified Test Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <0.01
Hi-Pot Encapsulation (Isolation Voltage Capability) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500
(Dielectric must withstand indicated DC voltage for one minute per MIL-STD 202, Method 301)
Insulation Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000
V
V
A
J
o
C
o
C
%/
o
C
V
M
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)
ZA SERIES UNITS
PART
NUMBER
MODEL
SIZE
DISC
DIA. (mm)
BRANDING
MAXIMUM RATING (85
o
C)
SPECIFICATIONS (25
o
C)
CONTINUOUS
TRANSIENT
VARISTOR VOLT-
AGE AT 1mA DC
TEST CURRENT
MAXIMUM
CLAMPING
VOLTAGE
8 x 20
μ
s
TYPICAL
CAPACI-
TANCE
f = 1MHz
V
RMS
V
DC
ENERGY 10
x 1000
μ
s
PEAK
CURRENT
8 x 20
μ
s
V
M(AC)
(V)
V
M(DC)
(V)
W
TM
(J)
I
TM
(A)
V
NOM
MIN
V
NOM
MAX
V
C
(V)
I
PK
(A)
C
(V)
(pF)
V8ZA05
5
Z08
4
5.5
0.1
50
6
11
30
1
1400
V8ZA1
7
08Z1
4
5.5
0.4
100
6
11
22
2.5
3000
V8ZA2
10
08Z2
4
5.5
0.8
250
6
11
20
5
7500
V12ZA05
5
Z12
6
8
0.14
50
9
16
37
1
1200
V12ZA1
7
12Z1
6
8
0.6
100
9
16
34
2.5
2500
V12ZA2
10
12Z2
6
8
1.2
250
9
16
30
5
6000
V18ZA05
5
Z18
10
14
0.17
100
14.4
21.6
36
1
1000
V18ZA1
7
18Z1
10
14
0.8
250
14.4
21.6
36
2.5
2000
V18ZA2
10
18Z2
10
14
1.5
500
14.4
21.6
36
5
5000
V18ZA3
14
18Z3
10
14
3.5
1000
14.4
21.6
36
10
11000
V18ZA40
20
18Z40
10
14
80 (Note 2)
2000
14.4
(Note 3)
21.6
37
20
22000
V22ZA05
5
Z22
14
18
0.2
100
18.7
26
43
1
800
V22ZA1
7
22Z1
14
18
0.9
250
18.7
26
43
2.5
1600
V22ZA2
10
22Z2
14
18
2
500
18.7
26
43
5
4000
V22ZA3
14
22Z3
14
18
4
1000
18.7
26
43
10
9000
V24ZA50
20
24Z50
14
18
(Note 4)
100 (Note 2)
2000
19.2
(Note 3)
26
43
20
18000
V27ZA05
5
Z27
17
22
0.25
100
23
31.1
53
1
600
V27ZA1
7
27Z1
17
22
1
250
23
31.1
53
2.5
1300
V27ZA2
10
27Z2
17
22
2.5
500
23
31.1
53
5
3000
V27ZA4
14
27Z4
17
22
5
1000
23
31.1
53
10
7000
V27ZA60
20
27Z60
17
22
120 (Note 2)
2000
23
(Note 3)
31.1
50
20
13000
PART
NUMBER
BRANDING
V8ZA05P
PZ08
V8ZA1P
P08Z1
V8ZA2P
P08Z2
V12ZA05P
PZ12
V12ZA1P
P12Z1
V12ZA2P
P12Z2
V18ZA05P
PZ18
V18ZA1P
P18Z1
V18ZA2P
P18Z2
V18ZA3P
P18Z3
V18ZA40P
P18Z40
V22ZA05P
PZ22
V22ZA1P
P22Z1
V22ZA2P
P22Z2
V22ZA3P
P22Z3
V24ZA50P
P24Z50
V27ZA05P
PZ27
V27ZA1P
P27Z1
V27ZA2P
P27Z2
V27ZA4P
P27Z4
V27ZA60P
P27Z60
LEAD-FREE
AND RoHS
COMPLIANT
MODELS
STANDARD
MODELS
Pb
RoHS
See Page 70 for NOTES
Pb
RoHS