G Series
Varistor Volt - Ampere and Pulse Lifetime Characteristics
V- I Curve-12mm Nominal Diameter
TNR12G180K ~TNR12G680K
Max. Leakage Current
500
400
300
Max. Clamping Voltage
200
150
100
70
60
50
40
30
at +20°C
12G680K
12G560K
12G470K
12G390K
12G330K
12G270K
12G220K
12G180K
20
15
10
7
6
5
4
3
106
105
104
Direct Current (A)
103
102
101
100
101
102
8/20 µsec. Impulse Current (A)
103
104
Pulse Lifetime Ratings-12mm Nominal Diameter
TNR12G180K ~TNR12G680K
500
1
300
200
2
101
100 102
70 103
50 104
30 105
20 106
Time
Test Condition Interval:
1~101 times: 2 min.
10 2~10 6 times: 10 sec.
10
7
5
3
2
1
0.7
0.5
0.3
0.2
0.1
20
100 200
1k 2k
10k
Impulse Duration (µs)
V- I Curve-12mm Nominal Diameter
TNR12G820K ~TNR12G102K
5000
4000
3000
Max. Leakage Current
Max. Clamping Voltage
2000
1500
1000
800
700
600
500
400
300
200
150
100
80
70
60
50
40
30
106
105
104
Direct Current (A)
103
102
101
100
101
102
8/20 µsec. Impulse Current (A)
at +20°C
12G102K
12G821K
12G681K
12G561K
12G471K
12G431K
12G391K
12G331K
12G271K
12G241K
12G221K
12G201K
12G181K
12G151K
12G121K
12G101K
12G820K
103
104
Pulse Lifetime Ratings-12mm Nominal Diameter
TNR12G820K ~TNR12G102K
4000
3000
2000
1000
700
500
300
200
100
70
50
30
20
1 Time
2
101
102
103
104
105
106
Test Condition Interval:
1~101 times: 2 min.
10 2~10 6 times: 10 sec.
10
7
5
3
2
1
20
100 200
1k 2k
10k
Impulse Duration (µs)
128 United Chemi-Con, Inc. 9801 W. Higgins Road, Rosemont, IL 60018 Tel 847-696-2000 Fax 847-696-9278 www.chemi-con.com