Varistor Products
Radial Lead Varistors > C-III series
C-III Series Ratings
Part Number Branding
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$19 19
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
7-"$1
1-$
Maximum Ratings (85 °C)
Specifications (25 °C)
Continuous
Transient
Varistor Voltage
Disc
Size
(mm)
Maximum
VRMS
VM(AC)
(V)
Withstanding
Energy (2ms)
WTM ( )
(J)
Peak Current
(8/20μs)
ITM1
ITM2
1 Pulse 2 Pulses
(A)
(A)
at 1mA DC Test
Current
V/
Min
V/
Max
(V)
(V)
Maximum
Clamping
Voltage
(8/20μs)
Duty Cycle
Surge Rating
3kA 750A
VC
Ip (8/20μs) (8/20μs)
(V) (A) #
#
Pulses Pulses
10
130
14
130
20
130
20
130
10
140
14
140
20
140
20
140
10
150
14
150
20
150
20
150
10
14
20
20
10
230
14
230
20
230
20
230
10
250
14
250
20
250
20
250
10
14
20
20
10
300
14
300
20
300
20
300
10
320
14
320
20
320
20
320
14
20
14
420
20
420
10
460
14
460
20
460
14
20
14
510
20
510
40
3500 3000
340 25
2
20
6500 5000
340 50
10
200
10000
340 100 20
120
200
10000
220
325 100 20
120
45
3500 3000
242 360 25
2
20
6500 5000
242
360 50
10
210
10000
242
360 100 20
120
210
10000
230
340 100 20
120
50
3500 3000 212
25
2
20
100
6500 5000 212
50
10
215
10000 212
100 20
120
215
10000 212
243
360 100 20
120
55
3500 3000
303 455 25
2
20
110
6500 5000 303 455 50 10
220
10000 303 455 100 20
120
220
10000 425 100 20
120
60
3500 3000 324
25
2
20
125
6500 5000 324 50 10
10000 324 100 20
120
10000 324 100 20
120
65
3500 3000 354
650 25
2
20
135
6500 5000 354 650 50 10
300
10000 354 650 100 20
120
300
10000 354
413
620 100 20
120
3500 3000
25
2
20
145
6500 5000 50 10
320
10000 100 20
120
320
10000 453 100 20
120
3500 3000 420
25
2
20
155
6500 5000 420
50
10
335
10000 420
100 20
120
335
10000 420 100 20
120
3500 3000 462
565 25
2
20
165
6500 5000 462 565 50 10
345
10000 462 565 100 20
120
345
10000 462 540 100 20
120
6500 5000 1025 50 10
10000 1025 100 20
120
6500 5000 610
1120 50 10
10000 610
1120 100 20
120
3500 3000 640
25
2
20
6500 5000 640 50 10
430
10000 640 100 20
120
6500 5000 1240 50 10
420
10000 1240 100 20
120
205
6500 5000
1350 50
10
440
10000
1350 100 20
120
C-III Varistor Series
Revision: September 9, 2010
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/c-iii.html for current information.