RMV18
Vishay Draloric
Metal Oxide Varistors
APPLICATIONS
•
Transient voltage protection of electronic components.
•
Relay contact protection and spark suppression.
•
Protection of switching transistors.
ELECTRICAL SPECIFICATIONS
MAXIMUM WORKING
VOLTAGE
MODEL
RMV18 130K...
RMV18 140K...
RMV18 150K...
RMV18 175K...
RMV18 230K...
RMV18 250K...
RMV18 275K...
RMV18 300K...
RMV18 320K...
RMV18 340K...
RMV18 385K...
RMV18 420K...
RMV18 440K...
RMV18 460K...
RMV18 510K...
Ueff (V)
AC (Vrms)
130
140
150
175
230
250
275
300
320
340
385
420
440
460
510
U - (V)
DC (V)
170
180
200
225
300
320
350
385
420
440
505
560
585
615
670
VARISTOR
VOLTAGE
Imax. (A) Wmax. (J) Pmax. C (pf) Dmax.
1mA
U (V) I (A) 8/20
µ
s 10/1000
µ
s (W) at 1kHz (mm)
205
220
240
270
360
390
430
470
510
540
620
680
715
750
820
340
360
395
455
595
650
710
775
840
890
1025
1120
1180
1240
1355
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
72
75
80
92
120
130
145
160
170
180
203
220
230
240
265
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1160
1080
1010
875
670
620
555
512
475
448
390
358
345
330
305
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
20.5
CLAMPING
VOLTAGE
S
(mm)
4.5
4.6
4.7
4.8
5.3
5.4
5.6
5.8
6
6.2
6.6
6.9
7.2
7.3
7.8
Dd
(mm)
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
F
±
(mm)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
ORDERING INFORMATION
RMV
SERIES
18
DISC
DIAMETER
130
VARISTOR
VOLTAGE
(V)
K
±
10%
TOLERANCE
OF VARISTOR
VOLTAGE
BULK/TAPED
PACKAGING
(see page 11)
K
MARKING
EXAMPLE: Ordering Information - RMV 18 130 K BF0 K
Document Number 27711
Revision 29-May-02
For technical questions, contact var@vishay.com
www.vishay.com
21
RMV18
Vishay Draloric
DIMENSIONS
in millimeters
D max.
S
Metal Oxide Varistors
e max.
F
V
Ø d
±
0.05
RMV18
RMV 18 U/I Characteristics
10000
510K
460K
440K
420K
340K
320K
L
Leakage Current
Clamping Voltage
Voltage [V]
300K
1000
275K
250K
510
460
440
420
340
320
300
275
250
230
230K
175K
150K
140K
175
150
140
130
130K
115K
100
10 µA
100
µA
1 mA
10 mA
100 mA
1A
10 A
100 A
1000 A
Current
RMV 18
10000
130.....510V
Gradation Derating Factor acc.
CECC42 201-802
1 Impulse
Impulse height [A]
1000
2 Impulse
10 Impulse
100 Impulse
1.000 Impulse
10.000 Impulse
100.000 Impulse
1.000.000 Impulse
100
10
1
10
100
Impulse width [
µ
s]
1000
10000
www.vishay.com
22
For technical questions, contact var@vishay.com
Document Number 27711
Revision 29-May-02
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