Metal Oxide Varistor：TVT Type
：
Thermally Protected Varistor Series
Features
1. RoHS compliant
2. 2 leaded or 3 leaded thermally protected metal oxide varistor,
Three-leaded version available for indication purposes.
3. Body size: 14 and 20 mm in diameter
4. Working voltage: 130 ~ 750 Vac
5. Patent: US 7,453,681
6. Agency approval:
- UL& cUL 1449 3 : TVT14201~TVT14112, TVT20201~TVT20112
- TUV: TVT14201~TVT14122, TVT20201~TVT20122
7. Meets UL 1449 3 test item 39.4 abnormal over- voltage test (10A, 5A, 2.5A, 0.5A and 0.125A).
rd
rd
Recommended Applications
1. TVSS modules
2. Uninterruptible power supplies
3. Power supplies
4. Lighting products
5. Communication products
Part Number Code
T
1
V
2
T
3
1
4
4
5
2
6
0
7
1
8
K
9
A
10
K
11
G
12
B
13
0
14
0
15
1
16
Product Type
THINKING Varistor
TVT
TVT type
Varistor Voltage(V
1mA
)
180 18x10
0
V=18V
241 24x10
1
V=240V
102 10x10
2
V=1000V
Tolerance of V
1mA
A
B
J
K
0~+10%
0~-10%
±5%
±10%
Terminal Number
A
2 terminals
B
3 terminals
Packaging
B
Bulk
Disc Size
14
20
Φ14mm
Φ20mm
Terminal Appearance
11:Wire Diameter & Pitch
K
Φ0.8mm,
pitch:7.5mm
(ForΦ14,
Φ20,
and
Φ22)
Φ1.0mm,
pitch:10mm
(ForΦ25 only)
Φ1.5mm,
pitch:15mm
(For
Φ32
only)
G
12:Lead Type
Round wire ,straight lead
Optional Suffix
001~999
L
O
Round wire, outer kink lead
M
AU
I
Round wire, inner kink lead
Flat wire (For 34*34)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without noice.
1
www.thinking.com.tw
2011.05
Metal Oxide Varistor：TVT Type
：
Thermally Protected Varistor Series
Structure and Dimensions
Two-Terminal Type
Three-Terminal Type
Series
TVT14
TVT14
TVT20
TVT20
Lead Type
Two terminals
D
15.5~19.5
P
6.5~8.5
6.5~8.5
6.5~8.5
6.5~8.5
P1
H
18.5~22
H1
dΦ
0.75~0.85
Tmax
Please Refer to
Electrical
Characteristics
Three terminals 15.5~19.5
Two terminals
19.5~23.5
4.0~6.0
18.5~22
21.5~27
7.0~18
0.75~0.85
0.75~0.85
Three terminals 19.5~23.5
4.0~6.0
21.5~27
12.5~18
0.75~0.85
Electrical Characteristics
Max.
Varistor Voltage
（＠1mA
DC）
Part No.
V
1mA
(V)
TVT14201
TVT20201
TVT14221
TVT20221
TVT14241
TVT20241
TVT14271
TVT20271
TVT14301
TVT20301
TVT14331
TVT20331
200(180~220)
200(180~220)
220(198~242)
220(198~242)
240(216~264)
240(216~264)
270(243~297)
270(243~297)
300(270~330)
300(270~330)
330(297~363)
330(297~363)
Continuous
Voltage
V
AC(rms)
(V)
130
130
140
140
150
150
175
175
195
195
215
215
V
DC
(V)
170
170
180
180
200
200
225
225
250
250
275
275
Peak Current
Clamping Voltage
(8/20µs)
1
time
(A)
6000
2
times
(A)
4500
V
P
(V)
340
340
365
365
395
395
455
455
500
500
550
550
2
I
P
(A)
50
100
50
100
50
100
50
100
50
100
50
100
77
140
86
155
94
170
110
190
118
205
127
215
10/1000µs
Max.
Max.
Max.
Energy
2ms
Typical
Rated
Capacitance
Power
@1KHZ
C
(pF)
55
100
62
110
68
120
80
135
85
145
90
155
700
1460
640
1320
580
1200
520
1100
480
1000
450
950
P
(W)
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
T
max
(mm)
8.0
10.3
8.1
10.4
8.2
10.5
8.4
10.7
8.6
10.9
8.8
11.1
2011.05
Thickness
W
max
(J)
10000 6500
6000
4500
10000 6500
6000
4500
10000 6500
6000
4500
10000 6500
6000
4500
10000 6500
6000
4500
10000 6500
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without noice.
www.thinking.com.tw
Metal Oxide Varistor：TVT Type
：
Thermally Protected Varistor Series
Max.
Varistor Voltage
（＠1mA
DC）
Part No.
V
1mA
(V)
TVT14361
TVT20361
TVT14391
TVT20391
TVT14431
TVT20431
TVT14471
TVT20471
TVT14511
TVT20511
TVT14561
TVT20561
TVT14621
TVT20621
TVT14681
TVT20681
TVT14751
TVT20751
TVT14781
TVT20781
TVT14821
TVT20821
TVT14911
TVT20911
TVT14951
TVT20951
TVT14102
TVT20102
TVT14112
TVT20112
360(324~396)
360(324~396)
390(351~429)
390(351~429)
430(387~473)
430(387~473)
470(423~517)
470(423~517)
510(459~561)
510(459~561)
560(504~616)
560(504~616)
620(558~682)
620(558~682)
680(612~748)
680(612~748)
750(675~825)
750(675~825)
780(702~858)
780(702~858)
820(738~902)
820(738~902)
910(819~1001)
910(819~1001)
950(855~1045)
950(855~1045）
1000(900~1100)
1000(900~1100)
1100(990~1210)
1100(990~1210)
Continuous
Voltage
V
AC(rms)
(V)
230
230
250
250
275
275
300
300
320
320
350
350
395
395
420
420
465
465
485
485
510
510
550
550
575
575
625
625
680
680
750
750
V
DC
(V)
300
300
320
320
350
350
385
385
410
410
450
450
510
510
560
560
615
615
640
640
670
670
745
745
765
765
825
825
895
895
980
980
Peak Current
(8/20µs)
1
time
(A)
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
6000
10000
2
times
(A)
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
4500
6500
Clamping
Voltage
V
P
(V)
595
595
650
650
710
710
775
775
845
845
930
930
1025
1025
1120
1120
1240
1240
1290
1290
1355
1355
1500
1500
1570
1570
1650
1650
1815
1815
2000
2000
I
P
(A)
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
50
100
137
225
154
240
170
270
192
350
209
386
220
400
231
425
242
455
247
509
260
515
270
475
280
509
290
530
305
560
340
610
350
620
Max.
Max.
Max.
Energy
10/1000µs
Typical
Rated
Capacitance
Power
2ms
@1KHZ
C
(pF)
98
160
110
170
120
192
138
250
150
275
158
285
165
305
172
325
175
365
180
350
192
340
200
365
210
380
218
400
242
435
260
450
430
900
390
800
370
700
320
620
290
530
260
480
240
450
230
440
220
420
200
400
180
390
170
360
160
340
150
330
140
310
130
290
P
(W)
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
0.6
1
T
max
(mm)
9.0
11.3
9.2
11.5
9.5
11.8
9.8
12.1
10.2
12.5
10.6
12.9
11.0
13.3
11.4
13.7
11.0
14.1
11.1
14.4
11.3
14.6
11.6
14.9
12.0
15.3
13.4
15.7
14.3
15.9
14.6
16.3
Thickness
W
max
(J)
TVT14122 1200(1080~1320)
TVT20122 1200(1080~1320)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without noice.
3
www.thinking.com.tw
2011.05
Metal Oxide Varistor：TVT Type
：
Thermally Protected Varistor Series
Operating Temperature vs.
Power Derating Curve
100
Max. Power Rating (%)
■
Surge Current Standard Waveform
0
LCT=-40
LUT=+85
110
Tamb(℃)
Current(%)
Time
Lead Configuration
Two-leaded type
Three-leaded type
2
Thermal
Fuse
Element
3
Monitor
Lead
3
1
2
1
2
3
1
MOV
■
Typical Application Circuit
Current Fuse
L
Thermal
fuse
element
Monitor Lead
Power
Input
Thermally
Varistor
TVT Series
R
MOV
LED
Circuit to be
protected
N
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without noice.
4
www.thinking.com.tw
2011.05
Metal Oxide Varistor：TVT Type
：
Thermally Protected Varistor Series
Max. Surge Current Derating Curves
TVT14201 ~ TVT14112
10000
1
2
10
1000
10
2
Surge Current (A)
10
10
100
3
4
5
10
10
6
Max.
10
1
0.1
10
100
1000
10000
Impulse Width (µs)
TVT20201 ~ TVT20112
10000
1
2
10
2
1000
Surge Current (A)
10
3
10
100
10
5
10
6
10
4
Max.
10
1
0.1
10
100
1000
10000
Impulse Width (µs)
THINKING ELECTRONIC INDUSTRIAL CO., LTD.
All specifications are subject to change without noice.
5
www.thinking.com.tw
2011.05
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