10D431K (SOCAY)
Radial Lead Varistor

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Radial Lead Varistor (MOV)
10D Series
Description
The 10D 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
3.5KA (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 Wide operating voltage (V1mA) range from 8V to 1800V
u Fast responding to transient over-voltage
u Large absorbing transient energy capability
u Low clamping ratio and no following-on current
u Meets MSL level 1, per J-STD-020
Applicable
u Transistor, diode, IC, thyristor or triac semiconductor
protection
u Surge protection in consumer electronics
u Surge protection in industrial electronics
u Surge protection in electronic home appliances, gas and
petroleum appliances
u Relay and electromagnetic valve surge absorption
General Characteristics
Material
No Radioactive Material
Operating Temperature -55~85ºC
Storage Temperature -55~125ºC
Body
Nickel Plated
Leads
Tin Plated
Devices with No lead Nickel Plated
SOCAY Electronics Co., Ltd.
Revision September 25, 2013
1/4
www.socay.com
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.


10D431K (SOCAY)
Radial Lead Varistor

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Radial Lead Varistor (MOV)
10D Series
Specifications General Characteristics (25±5ºC)
Type Number
Standard
High
Surge
10D180K
10D220K
10D270K
10D330K
10D390K
10D470K
10D560K
10D680K
10D820K
10D101K
10D121K
10D151K
10D181K
10D201K
10D221K
10D241K
10D271K
10D301K
10D331K
10D361K
10D391K
10D431K
10D471K
10D511K
10D561K
10D621K
10D681K
10D751K
10D781K
10D821K
10D911K
10D102K
10D112K
10D182K
10D180KJ
10D220KJ
10D270KJ
10D330KJ
10D390KJ
10D470KJ
10D560KJ
10D680KJ
10D820KJ
10D101KJ
10D121KJ
10D151KJ
10D181KJ
10D201KJ
10D221KJ
10D241KJ
10D271KJ
10D301KJ
10D331KJ
10D361KJ
10D391KJ
10D431KJ
10D471KJ
10D511KJ
10D561KJ
10D621KJ
10D681KJ
10D751KJ
10D781KJ
10D821KJ
10D911KJ
10D102KJ
10D112KJ
10D182KJ
Maximum
Allowable
voltage
VAC
VDC
(V) (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
1000
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
1465
Varistor
Voltage
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)
1800(1620~1980)
Maximum
Clamping
Voltage
IP VC
(A) (V)
5 36
5 43
5 53
5 66
5 77
5 93
5 100
5 135
25 135
25 165
25 200
25 250
25 300
25 340
25 360
25 395
25 455
25 500
25 550
25 595
25 650
25 710
25 775
25 845
25 925
25 1025
25 1120
25 1240
25 1290
25 1355
25 1500
25 1650
25 1814
25 2970
Withstanding
Surge
Current
I(A)
Standard
1
Time
2
Times
500 250
I(A)
High Surge
1
Time
2
Times
2000 1000
500 250 2000 1000
500 250 2000 1000
500 250 2000 1000
500 250 2000 1000
500 250 2000 1000
500 250 2000 1000
500 250 2000 1000
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
2500 1250 3500 2500
Maximum
Energy
(10/1000μs)
(J)
Standard
(J)
High Surge
2.1
2.5
3.0
4.0
4.6
5.5
7.0
8.2
12.0
15.0
18.0
22.0
27.0
30.0
32.0
35.0
40.0
40.0
40.0
43.0
47.0
60.0
65.0
70.0
70.0
70.0
70.0
70.0
80.0
85.0
93.0
102.0
115.0
133.0
3.0
5.0
6.0
7.0
9.0
11.0
13.0
15.0
17.0
18.0
21.0
25.0
30.0
35.0
39.0
42.0
49.0
54.0
58.0
65.0
70.0
80.0
85.0
90.0
92.0
95.0
98.0
100.0
105.0
110.0
130.0
140.0
155.0
250.0
Rated
Power
(W)
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
Typical
Capacitance
(Reference)
@1KHZ
(pf)
5600
4500
3700
3000
2400
2100
1800
1500
1200
1000
830
670
560
500
450
420
370
330
300
280
260
230
210
200
180
160
150
130
130
120
110
100
90
70
SOCAY Electronics Co., Ltd.
Revision September 25, 2013
2/4
www.socay.com
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.


10D431K (SOCAY)
Radial Lead Varistor

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Radial Lead Varistor (MOV)
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: 8/20μs
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 10/1000μs. 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 20ºCVb at 70ºC
Vb at 20ºC
×
1
50
× 100(% / ºC)
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.
Surge Life
5D Series
7D Series
10D Series
14D Series
20D Series
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 (8/20μs)
20A (8/20μs)
25A (8/20μs)
50A (8/20μs)
50A (8/20μs)
100A (8/20μs)
75A (8/20μs)
150A (8/20μs)
100A (8/20μs)
200A (8/20μs)
0.05% / ºC max
Vb / Vb ±10%
SOCAY Electronics Co., Ltd.
Revision September 25, 2013
3/4
www.socay.com
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.


10D431K (SOCAY)
Radial Lead Varistor

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Radial Lead Varistor (MOV)
10D Series
Part Numbering
10 D XXX K J
J: High Surge, without: Standard
Tolerance:
K: ±10%, L: ±15%, M: ±20%
Varistor Voltage
Type:
D: Disk, S: Square
Element Diameter
Part Marking
UL Accreditation Logo
Packaging Information
Part Number
Quantity
10DXXXXX
500
Package Dimensions Unit: mm
Packaging Option
Plastic bag
Packaging
Specification
Bulk Pack
10DXXXX
Logo
Product Type
VDE Accreditation Logo
TABLE1
Symbol
H(max.)
H1(max.)
L(min.)
L1(min.)
D(max.)
D1(±0.8)
T(max.)
d(±0.05)
d1(±0.4)
Dimensions
20.0
21.0
20.0
15.0
16.5
7.5
TABLE2
0.8
1.4
SOCAY Electronics Co., Ltd.
Revision September 25, 2013
Model
180K
220K
270K
330K
390K
470K
560K
680K
820K
101K
121K
151K
181K
201K
221K
241K
271K
TABLE2
T(max.)
4.6
4.7
4.8
5.0
5.3
5.4
5.5
5.6
4.7
4.9
5.1
5.4
4.8
5.0
5.1
5.2
5.4
Model
301K
331K
361K
391K
431K
471K
511K
561K
621K
681K
751K
781K
821K
911K
102K
112K
182K
T(max.)
5.5
5.8
6.0
6.2
6.5
6.7
6.8
7.0
7.3
7.6
8.0
8.1
8.3
8.8
9.3
9.9
12.5
4/4
www.socay.com
@SOCAY Electronics Co., Ltd. 2013
Specifications are subject to change without notice.
Please refer to www.socay.com for current information.




10D431K.pdf
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