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Zhengli Group Company Limited
China Manufacturer with main products: Zinc Oxide Varistor, Ntc Thermistor, Capacitor Y1/X1, Capacitor Y2/X1, MKP-X2 Capacitor, High Voltage Ceramic Capacitor, Film Capacitor,... |
varistor
| Supply Ability: | 5,000,000 Piece/Pieces per Month |
|---|---|
| Shipping: | lead time : 3 weeks |
| Payment Terms: | L/C, T/T |
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| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
|---|---|
| Place of Origin: | Guangdong in China |
| Packaging Details: | bulk : 500 pieces a bag Taping : 2000 pieces a box |
Quick Details
- Operating Temperature: -40 ~ +85
- Package Type: Throught Hole
- Technology: Metal Oxide
- Type: Varistor
- Model Number: ZVR
- Brand Name: zhengli
Specifications
Zinc oxide varistor
1.Uses
Zinc oxide varistor is a sort of sensitive component which resistance value can vary with the applied voltage , it is widely used in electrical and electronic equipments to protect them from damage of transient overvoltage and for surge absorption .
2.Features
Broad varistor voltage range :18V to 1.8KV
Fast response to transient voltage (ns)
High great withstanding surge current
Excellent non-linearity voltage
Symmetric V-I characteristic
No following-on current
Long life
3.Range of application
Used in surge protection for IC , transistor , diode semiconductor switch circuits .
Used in communication ,telemetering,electrical control and various electronic equioments.
Suppress the instantaneous overvoltage caused by electromagnetic valve and relay .
Suppress the instantaneous overvoltage caused by power supply.
Suppress the instantaneous overvoltage caused by electronic circuits.
Lighting protection for various kingd of electronic appliances .
4.Technical conditions
The zinc oxide varistor carry out standards of GB/T10193 , GB/T10194, GB/T10195-1997 and SJ/T10348-10349 .
Measurement conditions : for varistor of 05D,07D,10D,14D,20D series , voltage across the varistor measured under 1mADC .
Varisor voltage : the voltage between two terminals with the specified measureing current applied is expressed by letter V .
Maximum continuous operating voltage :the maximum sinusoidal RMS voltage or maximum DC voltage that can be applied continuously in the specified environmental temperature range .
Working ambient temperature : -40℃ ~ +85℃
Storage temperature range : -40℃ ~ +125℃
5.Recognized standards and certificates
|
Recognized organization |
Recognized marks |
Recognized standard |
Certificates series No |
|
CQC |
|
GB/T10193-1997; GB/T10194-1997; GB8898-2011; GB4943.1-2011 |
CQC05001012670 |
|
UL CUL |
|
UL1449 |
E321851 |
|
VDE |
|
DIN EN 61051-1: 2009-04 IEC 61051-1:2007-04 IEC 61051-2:1991-01 IEC 61051-2(ed.1);am1:2009-05 IEC 61051-2-2:1991-01 |
40027789 |
8.Part size
|
description |
Size code |
Type and dimension (mm) |
||||
|
ZVR05D |
ZVR07D |
ZVR10D |
ZVR14D |
ZVR20D |
||
|
Product diameter |
Dmax |
7 |
9 |
12 |
16 |
22 |
|
Product thickness |
Tmax |
4~7 |
5~7 |
5~9 |
5~14 |
5~14 |
|
Lead diameter |
d(±0.1) |
0.6 |
0.6 |
0.8 |
0.8 |
1 |
|
Lead spacing |
F(±1) |
5 |
5 |
7.5 |
7.5 |
10 |
|
Lead length |
Lmin |
25 |
25 |
25 |
25 |
25 |
|
Coat drop |
DRmax |
3 |
3 |
3 |
3 |
3 |
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