ELECTRONICS
Metal
Oxide
Varistors
32D Series
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Metal Oxide Varistors - 32D Series
Features
1. Wide operating voltage (V1mA) range from 8V to 1800V.
2. Fast responding to transient over-voltage.
3. Large absorbing transient energy capability.
4. Low clamping ratio and no following-on current.
General Information
The MOV-32DxxxK Series of 32mm radial leaded varistor devices protects against overvoltage transients such as lightning,
power contact and power induction. The metal oxide varistors offer a choice of varistor voltages from 200 V to 1600 V and Vrms
voltages from 130 V to 1000 V. The devices have a high current handling, high energy absorption capability and fast response
times to protect against transient faults up to rated limits.
General Characteristics
No Radioactive Material Storage Temperature: -55ºC to +125ºC
Operating Temperature: -55ºC to +85ºC
Body: Nickel Plated
Leads: Surface-mount, Axial Devices: Tin Plated
Devices with No Leads: Nickel Plated
Product Name
3
2
D
4
7
1
K
Disc Diameter
32=32MM
Type
D: Disk
S: Square
Nominal Varistor Voltage
471=47*101V
Varistor Voltage
Tolerance
K = 10 %
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Page:1
Metal Oxide Varistors - 32D Series
Electriacl Characteristics
Type Number
Maximum Allowable
Voltage
VAC(V)
32D201K
32D221K
32D241K
32D271K
32D301K
32D331K
32D361K
32D391K
32D431K
32D471K
32D511K
32D561K
32D621K
32D681K
32D751K
32D781K
32D821K
32D911K
32D951K
32D102K
32D112K
32D122K
32D142K
32D162K
130
140
150
175
190
210
230
250
275
300
320
350
385
420
460
485
510
550
575
625
680
750
880
1000
VDC(V)
170
180
200
225
250
275
300
320
350
385
415
460
505
560
615
640
670
745
765
825
895
990
1140
1280
Varistor Voltage
V1mA(V)
200(180~220)
220(198~242)
240(216~264)
270(243~297)
300(270~330)
330(297~363)
360(324~396)
390(351~429)
430(387~473)
470(423~517)
510(459~561)
560(504~616)
620(558~682)
680(612~748)
750(675~825)
780(702~858)
820(738~902)
910(819~1001)
950(855~1045)
1000(900~1100)
1100(990~1210)
1200(1080~1320)
1400(1260~1540)
1600(1440~1760)
Maximum
Clamping Voltage
IP
(A)
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
200
VC(V)
340
360
395
455
500
550
595
650
710
775
845
925
1025
1120
1240
1290
1355
1500
1570
1650
1815
1980
2310
2640
Withstanding
Surge Current
I(A)
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
20000
Maximum Energy
(10/1000μs)
(J)
250
270
290
300
330
360
380
400
430
460
510
540
570
600
620
660
700
750
780
810
910
960
1020
1080
Typical
Capacitance
(Reference)
@1KHz(pf)
5200
5150
5100
4800
4550
4300
3900
3200
3100
2800
2700
2550
2400
2200
2000
1900
1800
1300
1200
1100
1000
920
800
700
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Page:2
Metal Oxide Varistors - 32D Series
Current Energy and Power Dissipation Ratings
Should transients occur in rapid succession, the average power dissipation is the energy (watt-seconds) per pulse times
the number of pulses per second. The power so developed must be within the specifications shown on the Device Ratings
and Specifications Table for the specific device. The operating values of a MOV need to be derated at high temperatures as
shown above. Because varistors only dissipate a relatively small amount of average power they are not suitable for repetitive
applications that involve substantial amounts of average power dissipation.
Figure 1A - Power Derating for Epoxy Coated
Figure 1B - Power Derating for Pholenic Coated
100
100
PERCENT OF RATED VALUE
80
70
60
50
40
30
20
10
0
-55
50
60
70
80
90 100 110 120
AMBIENT TEMPERATURE (
o
C)
130
140 150
PERCENT OF RATED VALUE
90
90
80
70
60
50
40
30
20
10
0
-55
50
60
70
80
90 100 110 120
AMBIENT TEMPERATURE (
o
C)
130
140 150
Peak Pulse Current Test Waveform
PERCENT OF PEAK VALUE
100
90
0
1
T
1
T
2
Example
8µ
20µ
T
T
1
T
2
TIME
50
µs Current Waveform:
1
2
10
O
1
Figure 2
Packaging
Part Number
32D
Component
Package
32.0
Quantity
100
Packaging
Option
BOX
Packaging Specification
200PCS
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Page:3
Metal Oxide Varistors - 32D Series
Package Dimensions
Unit:mm
H1
K<3.0
K<3.0
L1
D1
d1
D1
d
TABLE 1
Symbol
H(max.)
H1(max.)
D(max.)
D1(+1.0)
T(max.)
d(+0.1)
d1(+0.3)
K(max.)
W(+0.5)
Φ(M+0.2)
Dimensions
60.2
16.5
45
25.4
TABLE 2
0.5
3.4
3.18
7.0
3.8
TABLE 2
Model
201K
221K
241K
271K
301K
331K
361K
391K
431K
471K
511K
561K
T(max.)
6.2
6.3
6.4
6.6
6.8
6.9
7.1
7.3
7.5
7.8
8.0
8.3
Model
621K
681K
751K
781K
821K
911K
951K
102K
112K
122K
142K
162K
T(max.)
8.7
9.0
9.4
9.6
9.8
10.4
10.6
11.2
11.8
12.3
13.3
14.3
Warehouse Storage Conditions of Products
·
Storage Conditions:
1. Storage Temperature: -10°C~+40°C
2. Relative Humidity:≤75%RH
3. Keep away from corrosive atmosphere and sunlight.
·
Period of Storage: 1 year
Circuit Protection
System
Specifications are subject to change without notice.
Please refer to
http://www.ruilon.com
for current information.
Page:4
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