Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Features
1. RoHS compliant
2. Body size: Ф25mm ~ Ф 60mm
3. Wide operating voltage range
4. Excellent clamping ratio
5. Low leakage current
6. Large withstanding surge current capability
7. Bidirectional and symmetrical V/I characteristics
8. Operating temperature range: -40°C ~ +85°C
9. Agency recognition: UL/ cUL
rd
10. For UL 1449 3 SPD Type 2 application
Recommended Applications
1. Power supply
2. Home appliance
3. Industrial equipment
4. Telecommunication or telephone system
Part Number Code
Ф25mm~Ф60mm
T
V
A
2
5
2
0
1
K
G
K
G
E
1
2
3
4
5
6
7
8
9
10
11
12
13
25
32
34
40
60
Size
Φ25mm
Φ32mm
34*34mm
Φ40mm
Φ60mm
Product Type
TVA
THINKING varistor
TVA series
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
Varistor Voltage (V1mA )
241 24x101V=240V
102 10x102V=1000V
Tolerance of V1mA
K
1
±10%
Structure
AAAA~ZZZZ
14
15
16
Optional Suffix
001~499
Standard
500~999 RoHS compliant
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Structures and Dimensions
TVA 25 Type
(Unit:mm)
BKBL
QAEE
QAHE
29.5~33.5
GKGE
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
2
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Structures and Dimensions
TVA 32 Type
(Unit:mm)
GKGE
BKBL
QKQE
QKUS
QKLS
QKLE
QKVE
QKDE
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
3
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Structures and Dimensions
TVA 32 Type
(Unit:mm)
YKYN
35.5~40
QAFE
QBOD
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
TVA 32 -T type (T is the parallel structure of two discs)
(Unit:mm)
TKZN
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
4
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Structures and Dimensions
TVA 34 Type
(Unit:mm)
QKUS
QKLS
QBAD
BKBL
QKLE
1.4~2.0
34.0~36.4
QKQE
0.5~1.5
35.6~36.6
51±1
62±1
QKXE
QKWE
34.5~35.8
4~6
5~6
7.3~9.3
5~6
4~6
34.5~37
Marking
7.3~9.3
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
5
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Structures and Dimensions
TVA 34 Type
(Unit:mm)
QKDE
QKID
QKRE
QKQS
QKEE
YKYN
QACN
QADE/QADS
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
6
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Structures and Dimensions
TVA 34 Type
(Unit:mm)
QACD
QASS
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
TVA 34-T Type (T is the parallel structure of two discs)
TKTS
TANN
(Unit:mm)
TATS
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
7
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Structures and Dimensions
TVA 40 Type
(Unit:mm)
QKQE
BKCL
QKDE
39 max
18.3±0.5
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
TVA 60 type
(Unit:mm)
QKQE
Note 1: T is the thickness of the product.
Note 2: The specifications of thickness are available upon request
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
8
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Electrical Characteristics
Varistor
Voltage
(@ 1mA DC)
Max.
Operating
Voltage
Part No.
TVA25201K□□□□
TVA32201K□□□□
TVA34201K□□□□
TVA34201KT□□□
TVA40201K□□□□
TVA25221K□□□□
TVA32221K□□□□
TVA34221K□□□□
TVA34221KT□□□
TVA40221K□□□□
TVA25241K□□□□
TVA32241K□□□□
TVA34241K□□□□
TVA34241KT□□□
TVA40241K□□□□
TVA60241K□□□□
TVA25271K□□□□
TVA32271K□□□□
TVA34271K□□□□
TVA34271KT□□□
TVA40271K□□□□
TVA60271K□□□□
TVA25361K□□□□
TVA32361K□□□□
TVA34361K□□□□
TVA34361KT□□□
TVA40361K□□□□
TVA60361K□□□□
TVA25391K□□□□
TVA32391K□□□□
TVA34391K□□□□
TVA34391KT□□□
TVA40391K□□□□
TVA60391K□□□□
TVA25431K□□□□
TVA32431K□□□□
TVA34431K□□□□
TVA34431KT□□□
TVA40431K□□□□
TVA60431K□□□□
Max.
Clamping
Voltage
(8/20µs)
Max.
Surge
Current
(8/20µs)
Max.
Rated
Energy
Power
(2ms)
Reference
Capacitance
@1KHZ
V1mA
(V)
VAC(rms)
(V)
VDC
(V)
VP
(V)
IP
(A)
Imax
(A)
Wmax
(J)
P
(W)
C
(pF)
200
200
200
200
200
220
220
220
220
220
240
240
240
240
240
240
270
270
270
270
270
270
360
360
360
360
360
360
390
390
390
390
390
390
430
430
430
430
430
430
130
130
130
130
130
140
140
140
140
140
150
150
150
150
150
150
175
175
175
175
175
175
230
230
230
230
230
230
250
250
250
250
250
250
275
275
275
275
275
275
170
170
170
170
170
180
180
180
180
180
200
200
200
200
200
200
225
225
225
225
225
225
300
300
300
300
300
300
320
320
320
320
320
320
350
350
350
350
350
350
340
340
340
340
340
365
365
365
365
365
395
395
395
395
395
395
455
455
455
455
455
455
595
595
595
595
595
595
650
650
650
650
650
650
710
710
710
710
710
710
150
200
300
500
300
150
200
300
500
300
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
15000
25000
40000
70000
40000
15000
25000
40000
70000
40000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
128
210
310
410
310
135
225
340
451
340
146
240
360
490
360
490
170
250
400
550
400
550
190
300
460
730
460
730
210
330
490
800
490
800
220
360
550
860
550
860
1
1.2
1.4
1.6
1.4
1
1.2
1.4
1.6
1.4
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
2200
3900
5600
14040
6000
2000
3500
5000
12760
5500
1900
3300
4800
11700
5000
11700
1600
2800
4100
10400
4500
10400
1300
2200
3200
7800
3500
7800
1100
2000
2800
7200
3000
7200
1000
1800
2600
6600
2800
6600
Safety Approvals
UL
cUL
3rd
UL1449
E314979
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
UL
UL 1414
E186499
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Note : □□□□/□□□ : Please read the dimensions
T is the parallel structure of two discs
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
9
www.thinking.com.tw
cUL
2010.09
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Varistor
Voltage
(@ 1mA DC)
Max.
Operating
Voltage
Part No.
TVA25471K□□□□
TVA32471K□□□□
TVA34471K□□□□
TVA34471KT□□□
TVA40471K□□□□
TVA60471K□□□□
TVA25511K□□□□
TVA32511K□□□□
TVA34511K□□□□
TVA34511KT□□□
TVA40511K□□□□
TVA60511K□□□□
TVA25561K□□□□
TVA32561K□□□□
TVA34561K□□□□
TVA34561KT□□□
TVA40561K□□□□
TVA60561K□□□□
TVA25621K□□□□
TVA32621K□□□□
TVA34621K□□□□
TVA34621KT□□□
TVA40621K□□□□
TVA60621K□□□□
TVA25681K□□□□
TVA32681K□□□□
TVA34681K□□□□
TVA34681KT□□□
TVA40681K□□□□
TVA60681K□□□□
TVA25751K□□□□
TVA32751K□□□□
TVA34751K□□□□
TVA34751KT□□□
TVA40751K□□□□
TVA60751K□□□□
TVA25781K□□□□
TVA32781K□□□□
TVA34781K□□□□
TVA34781KT□□□
TVA40781K□□□□
TVA60781K□□□□
Max.
Max.
Surge
Clamping Voltage
Current
(8/20µs)
(8/20µs)
Max.
Rated
Energy
Power
(2ms)
Reference
Capacitance
@1KHZ
Safety Approvals
UL
cUL
UL
cUL
V1mA
(V)
VAC(rms)
(V)
VDC
(V)
VP
(V)
IP
(A)
Imax
(A)
Wmax
(J)
P
(W)
C
(pF)
UL1449
E173642
UL 1414
E186499
470
470
470
470
470
470
510
510
510
510
510
510
560
560
560
560
560
560
620
620
620
620
620
620
680
680
680
680
680
680
750
750
750
750
750
750
780
780
780
780
780
780
300
300
300
300
300
300
320
320
320
320
320
320
350
350
350
350
350
350
385
385
385
385
385
385
420
420
420
420
420
420
460
460
460
460
460
460
485
485
485
485
485
485
385
385
385
385
385
385
415
415
415
415
415
415
450
450
450
450
450
450
505
505
505
505
505
505
560
560
560
560
560
560
615
615
615
615
615
615
640
640
640
640
640
640
775
775
775
775
775
775
845
845
845
845
845
845
930
930
930
930
930
930
1025
1025
1025
1025
1025
1025
1120
1120
1120
1120
1120
1120
1240
1240
1240
1240
1240
1240
1290
1290
1290
1290
1290
1290
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
225
405
595
950
595
950
230
430
640
1000
640
1000
235
470
710
1100
710
1100
240
550
800
1200
800
1200
250
600
910
1500
910
1500
275
660
1000
1650
1000
1650
290
680
1030
1700
1030
1700
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1.0
1.2
1.4
1.6
1.4
1.6
1.0
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
950
1700
2400
6100
2600
6100
900
1600
2300
5800
2500
5800
800
1400
2000
5100
2200
5100
700
1250
1800
4600
2000
4600
650
1150
1700
4300
1800
4300
600
1100
1600
4100
1700
4100
550
1050
1500
3800
1600
3800
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Note : □□□□/□□□ : Please read the dimensions
T is the parallel structure of two discs
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
10
www.thinking.com.tw
2010.09
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Varistor
Voltage
(@ 1mA DC)
Max.
Operating
Voltage
Part No.
TVA25821K□□□□
TVA32821K□□□□
TVA34821K□□□□
TVA34821KT□□□
TVA40821K□□□□
TVA60821K□□□□
TVA25911K□□□□
TVA32911K□□□□
TVA34911K□□□□
TVA34911KT□□□
TVA40911K□□□□
TVA60911K□□□□
TVA25951K□□□□
TVA32951K□□□□
TVA34951K□□□□
TVA34951KT□□□
TVA40951K□□□□
TVA60951K□□□□
TVA25102K□□□□
TVA32102K□□□□
TVA34102K□□□□
TVA34102KT□□□
TVA40102K□□□□
TVA60102K□□□□
TVA25112K□□□□
TVA32112K□□□□
TVA34112K□□□□
TVA34112KT□□□
TVA40112K□□□□
TVA60112K□□□□
TVA25122K□□□□
TVA32122K□□□□
TVA34122K□□□□
TVA34122KT□□□
TVA40122K□□□□
TVA60122K□□□□
TVA32182K□□□□
TVA34182K□□□□
TVA40182K□□□□
TVA60182K□□□□
Max.
Max.
Surge
Clamping Voltage
Current
(8/20µs)
(8/20µs)
Max.
Energy
(2ms)
Rated
Power
Safety Approvals
Reference
Capacitance
@1KHZ
UL cUL
UL
UL1449
E173642
UL 1414
E186499
V1mA
(V)
VAC(rms)
(V)
VDC
(V)
VP
(V)
IP
(A)
Imax
(A)
Wmax
(J)
P
(W)
C
(pF)
820
820
820
820
820
820
910
910
910
910
910
910
950
950
950
950
950
950
1000
1000
1000
1000
1000
1000
1100
1100
1100
1100
1100
1100
1200
1200
1200
1200
1200
1200
1800
1800
1800
1800
510
510
510
510
510
510
550
550
550
550
550
550
575
575
575
575
575
575
625
625
625
625
640
625
680
680
680
680
680
680
750
750
750
750
750
750
1000
1000
1000
1000
670
670
670
670
670
670
745
745
745
745
745
745
765
765
765
765
765
765
825
825
825
825
825
825
895
895
895
895
895
895
980
980
980
980
980
980
1465
1465
1465
1465
1355
1355
1355
1355
1355
1355
1500
1500
1500
1500
1500
1500
1570
1570
1570
1570
1570
1560
1650
1650
1650
1650
1650
1650
1815
1815
1815
1815
1815
1815
2000
2000
2000
2000
2000
2000
2970
2970
2970
2970
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
150
200
300
500
300
500
200
300
300
500
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
15000
25000
40000
70000
40000
70000
25000
40000
40000
70000
300
550
860
1350
860
1350
340
620
960
1500
960
1500
355
660
1000
1560
1000
1570
375
690
1050
1650
1050
1650
390
760
1150
1800
1100
1800
420
800
1250
2000
1200
2000
1200
1800
1800
3000
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1
1.2
1.4
1.6
1.4
1.6
1.0
1.2
1.4
1.6
1.4
1.6
1.2
1.4
1.4
1.6
520
950
1400
3600
1500
3600
500
900
1300
3300
1400
3300
450
850
1200
3000
1300
3000
430
800
1150
2900
1200
2900
400
750
1050
2700
1100
2700
370
650
950
2500
1000
2500
450
700
750
1800
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
cUL
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Note : □□□□/□□□: Please read the dimensions
T is the parallel structure of two discs
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
11
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
■ Surge Current Standard Waveform
Power Derating Curve
Max. power rating (%)
Example:
8/20uS : Tr=8uS
Td=20uS
100
90
100
Trailing
edge
Leading
edge
Imax
50
LCT=-40
LUT=85
10
0
110
Ambient temperature (℃)
Tr
Td
Time
Max. Surge Current Derating Curves
TVA25201 to TVA25122
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
TVA32201 to TVA32182
12
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Max. Surge Current Derating Curves
TVA34201KT to TVA34122KT
TVA34201 to TVA34182
TVA60241 to TVA60182
TVA40201 to TVA40182
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
13
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Max. Leakage Current and Max. Clamping Voltage Curves
Max. Leakage Current and Max. Clamping Voltage Curves (TVA25201 to TVA25122)
10000
Max. Clamping Voltage
TVA25122
TVA25112
TVA25102
TVA25951
TVA25911
TVA25821
TVA25781
TVA25751
TVA25681
TVA25621
TVA25561
TVA25511
TVA25471
TVA25431
TVA25391
TVA25361
TVA25271
TVA25241
TVA25221
TVA25201
Max. Leakage Current
Voltage (V)
1000
100
10
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
1
10
1
10
2
10
3
10
4
10
5
10
6
Current (A)
Max. Leakage Current and Max. Clamping Voltage Curves
(TVA32201 to TVA32182)
10000
Max. Clamping Voltage
TVA32182
TVA32122
TVA32112
TVA32102
TVA32951
TVA32911
TVA32821
TVA32781
TVA32751
TVA32681
TVA32621
TVA32561
TVA32511
TVA32471
TVA32431
TVA32391
TVA32361
TVA32271
TVA32241
TVA32221
TVA32201
Max. Leakage Current
Voltage(V)
1000
100
10
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
1
10
1
10
2
10
3
10
4
10
5
10
6
Current (A)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
14
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Max. Leakage Current and Max. Clamping Voltage Curves
(TVA34201 to TVA34182)
10000
Max. Clamping Voltage
TVA34182
TVA34122
TVA34112
TVA34102
TVA34951
TVA34911
TVA34821
TVA34781
TVA34751
TVA34681
TVA34621
TVA34561
TVA34511
TVA34471
TVA34431
TVA34391
TVA34361
TVA34271
TVA34241
TVA34221
TVA34201
Max. Leakage Current
Voltage(V)
1000
100
10 -6
10
10
-5
10
-4
10
-3
10
-2
10
-1
1
10
1
10
2
10
3
10
4
10
5
6
10
Current(A)
10000
TVA34182KT
TVA34122KT
TVA34112KT
TVA34102KT
TVA34951KT
TVA34911KT
TVA34821KT
TVA34781KT
TVA34751KT
TVA34681KT
TVA34621KT
TVA34561KT
TVA34511KT
TVA34471KT
TVA34431KT
TVA34391KT
TVA34361KT
TVA34271KT
TVA34241KT
TVA34221KT
TVA34201KT
Max. Clamping Voltage
Max. Leakage Current
Voltage(V)
1000
100
10
10
-6
10
-5
-4
10
10
-3
-2
10
-1
10
1
1
10
2
10
10
3
4
10
5
10
Current(A)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
15
www.thinking.com.tw
6
10
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Max. Leakage Current and Max. Clamping Voltage Curves
(TVA40201 to TVA40182)
10000
TVA40182
TVA40122
TVA40112
TVA40102
TVA40951
TVA40911
TVA40821
TVA40781
TVA40751
TVA40681
TVA40621
TVA40561
TVA40511
TVA40471
TVA40431
TVA40391
TVA40361
TVA40271
TVA40241
TVA40221
TVA40201
Max. Clamping Voltage
Max. Leakage Current
Voltage(V)
1000
100
10
-6
10
10
-5
10
-4
10
-3
10
-2
10
-1
1
10
1
10
2
10
3
10
4
10
5
10
6
Current(A)
Max. Leakage Current and Max. Clamping Voltage Curves
(TVA60241 to TVA60182)
10000
TVA60182
TVA60122
TVA60112
TVA60102
TVA60951
TVA60911
TVA60821
TVA60781
TVA60751
TVA60681
TVA60621
TVA60561
TVA60511
TVA60471
TVA60431
TVA60391
TVA60361
TVA60271
TVA60241
Max. Clamping Voltage
Max. Leakage Current
Voltage(V)
1000
100
10
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
1
10
1
10
2
10
3
10
4
10
5
10
Current(A)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
16
www.thinking.com.tw
2010.09
6
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Soldering Recommendation
Wave Soldering Profile
Preheating
Soldering
Cooling
Temperature
260℃ max.
Note 2
Note 3
Note 1:
(1~3℃)/sec
Note 2:
Approx. 200℃/sec
Note 3:
5℃/sec. (Max)
130±20℃
Note 1
Tamb
30~90 sec. ＜1 sec.
＜10 sec.
Time
Recommended Reworking Conditions with Soldering Iron
Item
Conditions
Temperature of Soldering Iron-tip
360℃ (max.)
Soldering Time
3sec (max.)
Distance from Varistor
2 mm (min.)
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
17
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Reliability
Item
Standard
Specifications
Test conditions / Methods
Gradually applying the force specified and keeping the unit fixed for 10±1 sec.
Tensile
Strength of
Terminals
IEC 60068-2-21
Terminal cross-sectional
2
area (mm )
0.5<S≦1.2
1.2<S
Terminal diameter
(mm)
0.8<d≦1.25
1.25<d
Force
(Kg)
2.0
4.0
│△V/V1mA│≦5%
No visible damage
Hold specimen and apply the force specified below to each lead. Bend the
specimen to 90°, then return to the original positi on. Repeat the procedure in the
opposite direction.
Bending
Strength of
Terminals
(Optional)
IEC 60068-2-21
Vibration
(Optional)
IEC 61051-1
Terminal cross-sectional
2
area (mm )
0.2<S≦0.5
0.5<S≦1.2
1.2<S
Terminal diameter
(mm)
0.5<d≦0.8
0.8<d≦1.25
1.25<d
Frequency range:10~55Hz
2
Amplitude:0.75mm or 98m/S
Direction:3 mutually perpendicular directions,2hrs each.
Solderability IEC 60068-2-20
245±3℃ , 3±0.3 sec
Resistance to
IEC 60068-2-20
Soldering Heat
260±3℃ , 10±1 sec
High
Temperature
Storage
Force
(Kg)
0.5
1.0
2.0
│△V/V1mA│≦5%
No visible damage
│△V/V1mA│≦5%
No visible damage
At least 95% of terminal
electrode is covered by
new solder
│△V/V1mA│≦5%
No visible damage
│△V/V1mA│≦5%
110±5℃ x 1000±24 hrs
IEC 60068-2-2
No visible damage
Damp Heat,
Steady State
a. 40±2℃, 90 ~ 95 % RH, 1344 hrs
b. 40±2℃, 90 ~ 95 % RH, at 10%Vdc,1344 hrs
IEC 60068-2-3
│△V1mA/V1mA│≦5%
Insulation Resistance
≧100MΩ
The conditions shown below shall be repeated 5 cycles
Rapid Change
of
Temperature
(optional)
Step
1
2
3
4
IEC
60068-2-14
Endurance at
Upper
IEC61051-4.20
Category
Temperature
8/20µs Surge
Life
CECC42000
Varistor
Voltage Temp.
Coefficient
Specification
Standard
Voltage Proof
IEC61051-4.8
Temperature (℃)
-40±3
Room temperature
85±2
Room temperature
Period (minutes)
30±3
15±3
30±3
15±3
│△V/V1mA│≦5%
No visible damage
85 ± 2 ℃, 1000 ± 24 hrs, at VDC or Vrms(Max. Operating Voltage)
│△V/V1mA│≦10%
10,000 pulses （8/20μS）,unipolar, interval 10 secs, amplitude corr. to max. surge
current derating curves for 20μS
│△V/V1mA│≦10%
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
No visible damage
-0.05≦TC≦0.05 (﹪/℃)
Metal balls method, 2500 Vac 1 min
18
No visible damage
www.thinking.com.tw
2010.09
Metal Oxide Varistor：
：TVA Series
Disc/Block Type Varistor for Lightning Protection
Packaging
Bulk Packing
Disc Size
Quantity pcs/ bag
25 mm
20
32 mm
20
34*34 mm
15
40 mm
15
60 mm
2
Box Packing
1) For encapsulated in plastic housing structure (B Type)
Disc Size
Quantity pcs/ box
25 mm
100
32 mm
100
2) For two-disc paralleled structure (T Type)
For strap-terminaled structure (Q Type)
For pellet structure (Y Type)
Disc Size
Quantity pcs/ box*
25 mm
25~125
32 mm
25~125
34*34 mm
25~125
40 mm
25~125
60 mm
25~125
* Base on the thickness of the product and the terminal type
Storage Conditions of Products
Storage Conditions :
1. Storage Temperature : -10℃~+40℃
2. Relative Humidity : ≦75%RH
3. Keep away from corrosive atmosphere and sunlight.
Period of Storage : 1 year
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
19
www.thinking.com.tw
2010.09