Metal Oxide Varistor：TVT Series
：
Thermally Protected Varistor Series
Features
1. RoHS compliant
2. Halogen-free series are available
3. Two-Terminal or Three-Terminal thermally protected metal oxide varistor,
Three-Terminal type is available for failure indication.
4. Body size: 14, 20 mm
5. Working voltage: 130Vac ~ 750Vac
6. Operating temperature range：-40° ~ +85°
C
C
Storage temperature range：-40° ~ +110°C
C
7. Patent: US 7,453,681
8. Agency approval:
rd
- TVT14 and TVT20 Series: UL1449 3 & cUL/ TUV/CQC
rd
- TVT25 and TVT34 Series: UL1449 3 & cUL/ TUV
rd
- TVT32 Series: UL1449 3 & cUL/ TUV
rd
9. UL1449 3 SPD Type: Type 4 Assemblies
rd
10. Meets UL 1449 3 39.4 limited current abnormal over- voltage test.
11. TVT14 and TVT20 Series meet IEC 60950-1 Annex Q requirement
12. Suitable for wave flow soldering
Recommended Applications
1.
2.
3.
4.
5.
6.
7.
TVSS modules
Uninterruptible power supplies
Power supplies
Lighting products
Communication products
Smart meter
Photovoltaic industry
Part Number Code
T
1
V
2
T
3
1
4
4
5
2
6
4
7
1
8
K
9
A
10
K
11
G
12
B
13
14
15
16
Structure
Product Type
TVT
THINKING Thermally
Protected Varistor
TVT Series
Varistor
Voltage(V
1mA
)
180
241
Disc Size
14
20
25
32
34
Φ14mm
Φ20mm
Φ25mm
Φ32mm
34*34mm
KG
KO
KI
AU
18x10
0
V=18V
24x10
1
V=240V
2
Tolerance of V
1mA
K
±10%
A
B
E
F
102 10x10 V=1000V
Two-Terminal,
Coating Structure
Three-Terminal,
Coating Structure
Two-Terminal,
Potting Structure
Three-Terminal,
Potting Structure
Packaging
B
E
Bulk
Box
Optional Suffix
001~999
Appearance
Straight lead
Outer kink lead
Inner kink lead
Flat wire (For TVT34 series)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
76
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2014.05
Metal Oxide Varistor：TVT Series
：
Thermally Protected Varistor Series
Structure and Dimensions
TVT14 ~ TVT20 Series
Two-Terminal Type
D
T
Three-Terminal Type
D
T
H
H
H1
d
P
P
W
P1
W
(Unit: mm)
Series
TVT14201~122
Lead Type
Two-Terminal
D
15.5~18.5
P
7.5±1
7.5±1
7.5±1
P1
--
4.0~6.0
--
H
18.5~24
18.5~24
21.5~27
H1
--
7.0~18
--
d
0.8±0.05
0.8±0.05
0.8±0.05
1.0±0.05
0.8±0.05
4.0~6.0
21.5~27
12.5~18
1.0±0.05
Please Refer to
Electrical
Characteristics
W
Tmax
TVT14201~122 Three-Terminal 15.5~18.5
TVT20201~681
TVT20751~122
TVT20201~681
TVT20751~122
Three-Terminal 19.5~23.5
Two-Terminal
19.5~23.5
7.5±1
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
77
www.thinking.com.tw
2014.05
Metal Oxide Varistor：TVT Series
：
Thermally Protected Varistor Series
TVT25 ~ TVT32 Series
Two-Terminal Type
D
T
Three-Terminal Type
D
T
H
H
Φd
Φd
H
1
H
1
P
W
P
P
1
W
1
W
(Unit: mm)
d±0.05
1.0
1.0
W/W
1
Tmax
Please Refer to
Electrical
Characteristics
Series
TVT25
Lead Type
Two -Terminal
Three -Terminal
D±1.0
33.0
H±1.0
33.5
H1min
15
P±1.0
10.0
10.0
P1±1.0
------
5.0
Series
TVT32
Lead Type
Two -Terminal
Three -Terminal
D±1.0
40.0
H±1.0
42.0
H1min
15
P±1.5
15.0
15.0
P1±1.5
------
8.0
d±0.05
1.5
1.5
W/W
1
Tmax
Please Refer to
Electrical
Characteristics
TVT34 Series
Two-Terminal Type
Three-Terminal Type
(Unit: mm)
Series
Type
Two -Terminal
TVT34
Three -Terminal
40.0
42.0
8
23.5
11
6.0
5.0
3.0
D±1.0
Hmax H1max. P±2.0 P1±2.0 L1±0.1 L2±0.1 L3±0.1
21.5
-----
6.0
6.0
-----
W
Tmax
Please Refer to
Electrical
Characteristics
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
78
www.thinking.com.tw
2014.05
Metal Oxide Varistor：TVT Series
：
Thermally Protected Varistor Series
Electrical Characteristics
14mm Series
Varistor
Voltage
（＠1mA
DC）
V
1mA
(V)
TVT14201
TVT14221
TVT14241
TVT14271
TVT14301
TVT14331
TVT14361
TVT14391
TVT14431
TVT14471
TVT14511
TVT14561
TVT14621
TVT14681
TVT14751
TVT14781
TVT14821
TVT14911
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)
Max.
Continuous
Voltage
V
AC(rms)
(V)
130
140
150
175
195
215
230
250
275
300
320
350
395
420
465
485
510
550
575
625
680
750
V
DC
(V)
170
180
200
225
250
275
300
320
350
385
410
450
510
560
615
640
670
745
765
825
895
980
Max.
Clamping
Voltage
(8/20µs)
V
P
(V)
340
365
395
455
500
550
595
650
710
775
845
930
1025
1120
1240
1290
1355
1500
1570
1650
1815
2000
I
P
(A)
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
50
Max.
Surge
Current
(8/20µs)
Imax
(KA)
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
Nominal
Discharge Rated
*1
Power
Current
(8/20µs)
In
(KA)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
--
P
(W)
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
Max.
Reference
Energy
Capacitance
(10/1000µs)
@1KHz
Wmax
(J)
77
86
94
110
118
127
137
154
170
192
209
220
231
242
247
260
270
280
290
305
340
350
Cp
(pF)
700
640
580
520
480
450
430
390
370
320
290
260
240
230
220
200
180
170
160
150
140
130
Dimension
Part No.
Tmax W±1.0
(mm)
8.8
8.9
9.1
9.3
9.0
9.1
9.3
9.5
9.2
9.3
9.5
9.7
10.0
10.3
10.6
10.1
10.2
10.6
10.7
10.9
11.2
11.6
3.0
3.1
3.3
3.5
3.2
3.3
3.5
3.6
3.4
3.5
3.7
3.9
4.1
4.4
4.7
4.3
4.5
4.8
4.9
5.1
5.4
5.8
TVT14951 950 (855~1045)
TVT14102 1000 (900~1100)
TVT14112 1100 (990~1210)
TVT14122 1200
(1080~1320)
Note:
*1: Nominal discharge current is the specification defined in UL 1449 3
rd
and use 8/20µs current waveform to test the varistor.
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
79
www.thinking.com.tw
2014.05
Metal Oxide Varistor：TVT Series
：
Thermally Protected Varistor Series
20mm Series
Varistor Voltage
（＠1mA
DC）
Part No.
V
1mA
(V)
TVT20201
TVT20221
TVT20241
TVT20271
TVT20301
TVT20331
TVT20361
TVT20391
TVT20431
TVT20471
TVT20511
TVT20561
TVT20621
TVT20681
TVT20751
TVT20781
TVT20821
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)
Max.
Continuous
Voltage
V
AC(rms)
(V)
130
140
150
175
195
215
230
250
275
300
320
350
395
420
465
485
510
550
575
625
680
750
V
DC
(V)
170
180
200
225
250
275
300
320
350
385
410
450
510
560
615
640
670
745
765
825
895
980
Max.
Clamping
Voltage
(8/20µs)
V
P
(V)
340
365
395
455
500
550
595
650
710
775
845
930
1025
1120
1240
1290
1355
1500
1570
1650
1815
2000
I
P
(A)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
Max.
Nominal
Max.
Reference
Surge Discharge Rated
Energy
Capacitance
*1
Power
Current Current
(10/1000µs)
@1KHz
(8/20µs) (8/20µs)
Imax
(KA)
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
In
(KA)
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
--
P
(W)
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
Wmax
(J)
140
155
170
190
205
215
225
240
270
350
386
400
425
455
509
515
475
509
530
560
610
620
Cp
(pF)
1460
1320
1200
1100
1000
950
900
800
700
620
530
480
450
440
420
400
390
360
340
330
310
290
Dimension
Tmax W±1.0
(mm)
10.2
10.3
10.5
10.7
10.4
10.5
10.7
10.9
10.6
10.7
10.9
11.1
11.4
11.7
12.0
11.5
11.6
12.0
12.1
12.3
12.6
13.0
3.0
3.1
3.3
3.5
3.2
3.3
3.5
3.6
3.4
3.5
3.7
3.9
4.1
4.4
4.7
4.3
4.5
4.8
4.9
5.1
5.4
5.8
TVT20911 910 (819~1001)
TVT20951 950 (855~1045)
TVT20102 1000 (900~1100)
TVT20112 1100 (990~1210)
TVT20122 1200
(1080~1320)
Note:
*1: Nominal discharge current is the specification defined in UL 1449 3
rd
and use 8/20µs current waveform to test the varistor.
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specifications are subject to change without notice.
80
www.thinking.com.tw
2014.05
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