7Φ SERIES
Metal Oxide Varistors (MOV) Data Sheet
Features
■
■
■
■
■
■
■
■
Wide operating voltage (V
1mA
) range from 18V to 820V
Fast responding to transient over-voltage
Large absorbing transient energy capability
Low clamping ratio and no follow-on current
Meets MSL level 1, per J-STD-020
Operating Temperature：-40℃ ~ +85℃
Storage Temperature：-40℃ ~ +125℃
Safety certification: UL: E327997
CSA: 246579
VDE: 40027827
Applications
■
■
■
■
■
Transistor, diode, IC, thyristor or triac semiconductor protection
Surge protection in consumer electronics
Surge protection in industrial electronics
Surge protection in electronic home appliances, gas and petroleum appliances
Relay and electromagnetic valve surge absorption
Part Number Code
Revision：27-Dec-15
1 / 11
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7Φ SERIES
Dimensions
Table 1
Unit: mm
Symbol
H(±2.0)
H1(±2.0)
L(min.)
L1(min.)
D
F(±0.8)
T(±0.8)
e(±0.8)
d(±0.05)
d1(±0.4)
Dimension
10.0
11.5
20.0
15.0
7.0~9.0
5.0
Table 2
Table 2
0.6
1.2
Model
180K
220K
270K
330K
390K
470K
560K
680K
820K
101K
121K
151K
181K
201K
221K
T
2.4
2.5
2.7
2.6
2.7
2.9
3.1
3.4
2.8
3.0
3.2
2.8
2.9
3.0
3.1
e
Table 2
Unit: mm
Model
241K
271K
301K
331K
361K
391K
431K
471K
511K
561K
621K
681K
751K
781K
821K
T
3.2
3.4
3.5
3.5
3.7
3.8
4.0
4.2
4.4
4.6
4.9
5.2
5.3
5.4
5.6
e
2.0
2.2
2.3
2.3
2.5
2.6
2.8
3.0
3.2
3.4
3.7
4.0
4.1
4.2
4.4
1.3
1.4
1.6
1.5
1.6
1.7
1.9
2.2
1.6
1.8
2.0
1.6
1.7
1.8
1.9
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7Φ SERIES
Electrical Characteristics
Part
Number
Maximum
Allowable
Voltage
High
Surge
180KD07J
220KD07J
270KD07J
330KD07J
390KD07J
470KD07J
560KD07J
680KD07J
820KD07J
101KD07J
121KD07J
151KD07J
181KD07J
201KD07J
221KD07J
241KD07J
271KD07J
301KD07J
331KD07J
361KD07J
391KD07J
431KD07J
471KD07J
511KD07J
561KD07J
621KD07J
681KD07J
751KD07J
781KD07J
821KD07J
Varistor
Voltage
Maximum
Clamping
Voltage
Withstanding
Surge
Current
I (A)
Standard
250
250
250
250
250
250
250
250
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
1200
I (A)
High
Surge
500
500
500
500
500
500
500
500
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
1750
Maximum
Energy
(10/1000μs)
(J)
Standard
0.9
1.1
1.4
1.7
2.1
2.5
3.1
3.6
5.0
6.5
7.8
9.7
11.7
13.0
14.0
15.0
18.0
20.0
23.0
25.0
25.0
28.0
30.0
30.0
30.0
33.0
33.0
67.2
67.2
67.2
(J)
High
Surge
2.0
2.4
3.0
3.5
4.0
5.0
6.0
7.0
10.0
12.0
13.0
13.0
16.0
17.0
19.0
21.0
24.0
26.0
28.0
32.0
35.0
40.0
42.0
45.0
49.0
55.0
60.0
65.0
65.0
70.0
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
2800
2300
1800
1500
1300
1100
890
740
600
500
420
330
280
250
230
210
185
165
150
140
130
115
105
100
90
80
75
70
70
60
(W)
@1KHz (pf)
Rated
Power
Typical
Capacitance
(Reference)
Standard
V
AC
(V)
V
DC
(V)
V
1mA
(V)
I
P
(A)
V
C
(V)
180KD07
220KD07
270KD07
330KD07
390KD07
470KD07
560KD07
680KD07
820KD07
101KD07
121KD07
151KD07
181KD07
201KD07
221KD07
241KD07
271KD07
301KD07
331KD07
361KD07
391KD07
431KD07
471KD07
511KD07
561KD07
621KD07
681KD07
751KD07
781KD07
821KD07
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
14
18
22
26
31
38
45
56
65
85
100
125
150
170
180
200
225
250
275
300
320
350
385
415
460
505
560
615
640
670
18(15~21.6)
22(19.5~26)
27(24~31)
33(29.5~36.5)
39(35~43)
47(42~52)
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)
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
36
43
53
65
77
93
110
135
135
165
200
250
300
340
360
395
455
500
550
595
650
710
775
845
925
1025
1120
1240
1290
1355
Notes: 1. The tolerance of varistor voltage between 18V and 27V is more than 10%.
2. Leakage Current (@83% of V
1mA
)：IR≤50μA (180K~680K)
IR≤25μA (820K~821K)
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7Φ SERIES
Electrical Ratings
Items
Varistor Voltage
Test Condition/Description
The voltage between two terminals with the specified measuring
current 1mA.DC applied is called Vb.
The recommended maximum sine wave voltage (RMS) or the
Maximum DC voltage can be applied continuously.
The maximum voltage between two terminals with the specification
standard impulse current.
Applied waveform: 8/20μs
Requirement
Maximum Allowable
Voltage
Maximum Clamping
Voltage
To meet the
Specified value
Rated Wattage
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 2ms is applied.
The maximum current within the varistor voltage change of ±10%
with the standard impulse current (8/20μs) applied one time.
Vb at 20℃ − Vb at 70℃ 1
×
× 100(%/℃)
50
Vb at 20℃
The change of Vb shall be measured after the impulse listed below
which is applied 10,000 times continuously with the interval of ten
seconds at room temperature.
Energy
Withstanding Surge
Current
Varistor Voltage
Temp. Coefficient
0.05%/℃ max
Surge Life
7Φ series
180K to 680K
820K to 821K
25A (8/20μs)
50A (8/20μs)
∆Vb
≤ ±10%
Vb
Revision：27-Dec-15
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7Φ SERIES
Soldering Recommendation
Wave Lead Free Soldering Recommendation
300
Preheating
Maximum Wave 265℃
Soldering
Cooling
250
200
150
100
50
0
0
0.5
1
1.5
2
2.5
3
3.5
4
Time (minutes)
Item
Peak Temperature
Dipping Time
Soldering
Conditions
265℃
10 seconds (max.)
1 time
Recommendation Reworking Conditions with Soldering Iron
Item
Temperature of Soldering Iron-tip
Soldering Time
Distance from Varistor
Conditions
360℃ (max.)
3 seconds (max.)
2mm (min.)
Revision：27-Dec-15
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