Radial Lead Varistor (MOV)
20D
10D Series
Description
The 20D series radial leaded varistors provides an ideal circuit
protection solution for lower DC voltage applications by
offering higher surge ratings than ever before available in such
small discs.
The maximum peak surge current rating can reach up to 10KA
(8/20
μs
pulse) to protect against high peak surges, including
indirect
lightning
strike
interference,
system
switching
transients and abnormal fast transients from the power
source.
Features
u
u
u
u
u
Wide operating voltage (V1mA) range from 8V to 1800V
Fast responding to transient over-voltage
Large absorbing transient energy capability
Low clamping ratio and no following-on current
Meets MSL level 1, per J-STD-020
Applicable
u
Transistor, diode, IC, thyristor or triac semiconductor
protection
u
u
u
Surge protection in consumer electronics
Surge protection in industrial electronics
Surge protection in electronic home appliances, gas and
petroleum appliances
u
Relay and electromagnetic valve surge absorption
General Characteristics
Material
Operating Temperature
Storage Temperature
Body
Leads
Devices with No lead
No Radioactive Material
-55~85ºC
-55~125ºC
Nickel Plated
Tin Plated
Nickel Plated
SOCAY Electronics Co., Ltd.
Revision
September 25, 2013
www.socay.com
1/4
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Radial Lead Varistor (MOV)
20D
10D Series
Specifications
–
General Characteristics (25±5ºC)
Maximum
Allowable
voltage
V
AC
(V)
11
14
17
20
25
30
35
40
50
60
75
95
115
130
140
150
175
190
210
230
250
275
300
320
350
385
420
460
485
510
550
625
680
750
1000
V
DC
(V)
14
18
22
26
31
38
45
56
65
85
100
125
150
170
180
200
225
250
275
300
320
350
335
415
460
505
560
615
640
670
745
825
895
990
1465
Varistor
Voltage
Maximum
Clamping
Voltage
V
C
(V)
36
43
53
66
77
93
100
135
135
165
200
250
300
340
360
395
455
500
550
595
650
710
775
845
925
1025
1120
1240
1290
1355
1500
1650
1814
1980
2970
Withstanding
Surge
Current
I(A)
Standard
1
Time
Type Number
Maximum
Energy
(10/1000μs)
(J)
Standard
Rated
Power
Typical
Capacitance
(Reference)
@1KHZ
(pf)
28500
18500
13000
11500
8500
7400
6500
5800
4900
4000
3300
2700
2200
2000
1800
1650
1500
1300
1200
1100
1000
930
850
780
710
650
600
530
510
500
440
400
460
320
320
Standard
High
Surge
20D180KJ
20D220KJ
20D270KJ
20D330KJ
20D390KJ
20D470KJ
20D560KJ
20D680KJ
20D820KJ
20D101KJ
20D121KJ
20D151KJ
20D181KJ
20D201KJ
20D221KJ
20D241KJ
20D271KJ
20D301KJ
20D331KJ
20D361KJ
20D391KJ
20D431KJ
20D471KJ
20D511KJ
20D561KJ
20D621KJ
20D681KJ
20D751KJ
20D781KJ
20D821KJ
20D911KJ
20D102KJ
20D112KJ
20D122KJ
20D182KJ
V1mA
(V)
18(15~21.6)
22(19.5~26)
27(24~30)
33(29.5~36.5)
39(35~43)
47(42~54)
56(50~62)
68(61~75)
82(74~90)
100(90~110)
120(108~132)
150(135~165)
180(162~198)
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)
1000(900~1100)
1100(990~1210)
1200(1080~1320)
1800(1620~1980)
I
P
(A)
I(A)
High Surge
1
Time
(J)
High Surge
(W)
2
Times
2
Times
20D180K
20D220K
20D270K
20D330K
20D390K
20D470K
20D560K
20D680K
20D820K
20D101K
20D121K
20D151K
20D181K
20D201K
20D221K
20D241K
20D271K
20D301K
20D331K
20D361K
20D391K
20D431K
20D471K
20D511K
20D561K
20D621K
20D681K
20D751K
20D781K
20D821K
20D911K
20D102K
20D112K
20D122K
20D182K
20
20
20
20
20
20
20
20
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
2000
2000
2000
2000
2000
2000
2000
2000
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
6500
1000
1000
1000
1000
1000
1000
1000
1000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
4000
3000
3000
3000
3000
3000
3000
3000
3000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
1000
1000
1000
1000
1000
1000
1000
1000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
7000
11
14
16
23
26
30
41
46
38
45
55
70
85
95
100
108
127
136
150
163
180
190
220
220
220
220
230
255
265
282
310
342
383
408
625
13
16
19
24
28
34
41
49
56
70
85
106
130
140
155
168
190
210
228
255
275
305
350
360
380
390
400
420
440
460
510
565
620
660
660
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
SOCAY Electronics Co., Ltd.
Revision
September 25, 2013
www.socay.com
2/4
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Radial Lead Varistor (MOV)
20D
10D Series
Electrical Rating
Item
Maximum Allowable
Voltage
Varistor Voltage
Test Condition / Description
The recommended maximum sine wave voltage (RMS) or the maximum DC
voltage can be applied continuously.
The voltage between two terminals with the specified measuring current
1mA.DC applied is call Vb.
The maximum voltage between two terminals with the specification
standard impulse current.
Applied waveform: 8/20
μs
Requirement
Maximum Clamping
Voltage
To meet the
specified value
Rated Wattage
Energy
Withstanding Surge
Current
Varistor Voltage
Temp. Coefficient
The maximum average power that can be applied within the specified
ambient temperature.
The maximum energy within the varistor voltage change of
±10%
when one
impulse of 10/1000
μs
. or 2 msec. is applied.
The maximum current within the varistor voltage change of
±10%
with the
standard impulse current (8/20ȝsec.) applied one time
Vb at 20ºC－Vb at 70ºC
Vb at 20ºC
×
1
50
×
100(% /
ºC)
0.05% /
ºC
max
The change of Vb shall be measured after the impulse listed below is
applied 10,000 times continuously with the interval of ten seconds at room
temperature.
180K to 680K
820K to 751K
180K to 680K
820K to 751K
180K to 680K
820K to 751K
180K to 680K
820K to 751K
180K to 680K
820K to 751K
10A (8/20
μs)
20A (8/20
μs)
25A (8/20
μs)
50A (8/20
μs)
50A (8/20
μs)
100A (8/20
μs)
75A (8/20
μs)
150A (8/20
μs)
100A (8/20
μs)
200A (8/20
μs)
△
Vb / Vb
≤
±10%
5D Series
7D Series
Surge Life
10D Series
14D Series
20D Series
SOCAY Electronics Co., Ltd.
Revision
September 25, 2013
www.socay.com
3/4
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
Radial Lead Varistor (MOV)
20D
10D Series
Part Numbering
Part Marking
20 D XXX K J
J: High Surge, without: Standard
Tolerance:
K:
±10%,
Logo
L:
±15%,
M:
±20%
20DXXXX
UL Accreditation Logo
Product Type
VDE Accreditation Logo
Varistor Voltage
Type:
D: Disk, S: Square
Element Diameter
Packaging Information
Part Number
20DXXXXX
Quantity
250
Packaging Option
Plastic Bag
Packaging
Specification
Bulk Pack
Package Dimensions
Unit: mm
TABLE1
Symbol
H(max.)
H1(max.)
L(min.)
L1(min.)
D(max.)
D1(±0.8)
T(max.)
d(±0.05)
d1(±0.4)
TABLE2
Dimensions
Model
180K
220K
270K
330K
390K
470K
560K
680K
820K
101K
121K
151K
181K
201K
221K
241K
271K
301K
T(max.)
4.8
4.9
5.0
5.2
5.5
5.6
5.7
5.08
4.9
5.1
5.3
5.6
5.0
5.2
5.3
5.4
5.6
5.7
Model
331K
361K
391K
431K
471K
511K
561K
621K
681K
751K
781K
821K
911K
102K
112K
122K
182K
-
T(max.)
5.8
6.0
6.2
6.5
6.7
6.9
7.0
7.2
7.5
8.2
5.3
8.5
9.0
9.5
10.1
10.6
13.2
-
26.5
28.0
20.0
15.0
23.0
7.5+0.8/10.0+1.0
TABLE2
0.8
1.4
SOCAY Electronics Co., Ltd.
Revision
September 25, 2013
www.socay.com
4/4
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.
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