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By certification 
Voltage Power Surge Protector Metal Oxide Varistor Class I 20S-C U1MA(V): 80-1800 UAC: 60-1000.
Introduction
Product Name |
High Voltage Power Surge Protector Metal Oxide Varistor |
Material |
Epoxy Resin Coating |
Applicable Fuse |
Blade Fuse, Glass Fuse |
Color |
Blue |
Operating Temperature |
-40 to +85 ºC |
Application |
Transistor, diode, IC, thyristor and trial, semi conductor switeh elecment and kinds of electronic equipuent protection, etc |
Applications
1. Transistor, diode, IC, thyristor and trial, semi conductor switeh elecment and kinds of electronic equipuent protection.
2. Surge absoption in house-hold appliance, industrial electronies,relay and electro magnetic valva.
3. Electrostaitc discharge noise spike suppression.
4. Leakage-protection switch over-voltage protection.
5. Thunderbolt and over-voltage protection on such telecommunication apparatus as telephone,miles-control exchanger at so on.
Features and Technological Characteristics
1. Small figure, large capacitarce and energy
2. Security working,operating easilyethoxyline resin-envenloped
3. Response time:<25ns
4. Using ambiend temperature:-40ºC~+85ºC
5. Using ambiend temperature:≥500MΩ
6. Insulation resistance:-0.5%/ºC
7. Temperature coefficience of varistor voltage:-0.5%/ºC
8. Chip diameter:5, 7, 10, 14, 20, 25, 32, 40mm
9. Allowable tolerance of varistor voltage:K±10%
Technical parameters
Type |
Varistor voltage (DC1mA) |
Type |
Maximum continuous working voltage |
Nominal discharge current |
Maximum discharge current |
limiting voltage and voltage ration under In |
Maximum energy tolerance (2 ms) |
UL certification |
C-UL certification |
TUV certification |
|
U1mA (V) |
U1mA(%) |
UAC(V) |
UDC(V) |
In(kA) |
Imax(kA) |
UP (V) |
ETM (J) |
||||
20SK431 |
430 |
±10 |
275 |
350 |
7 |
15 |
990-2.2 |
340 |
√ |
√ |
- |
20SK471 |
620 |
±10 |
300 |
385 |
7 |
15 |
1070-2.2 |
360 |
√ |
√ |
- |
20SK511 |
430 |
±10 |
320 |
410 |
7 |
15 |
1150-2.2 |
390 |
√ |
√ |
- |
20SK561 |
620 |
±10 |
350 |
450 |
7 |
15 |
1250-2.15 |
420 |
√ |
√ |
- |
20SK621 |
430 |
±10 |
385 |
505 |
7 |
15 |
1350-2.1 |
460 |
√ |
√ |
- |
20SK681 |
620 |
±10 |
420 |
560 |
7 |
15 |
1520-2.1 |
460 |
√ |
√ |
- |
20SK711 |
430 |
±10 |
440 |
585 |
7 |
15 |
1600-2.1 |
470 |
√ |
√ |
- |
20SK751 |
620 |
±10 |
460 |
615 |
7 |
15 |
1700-2.1 |
475 |
√ |
√ |
- |
20SK781 |
430 |
±10 |
485 |
640 |
7 |
15 |
1760-2.1 |
480 |
√ |
√ |
- |
20SK821 |
431 |
±10 |
510 |
670 |
7 |
15 |
1800-2.08 |
485 |
√ |
√ |
- |
Shipping Terms
● All items will be shipped within 60 business days after received cleared payment.
● International shipping would take longer time, It may delay due to the strict customs and the bad weather (rain, flood, snow).
● If you are willing to use Express Shipping, you need pay the Extra Cost for order.
● Please contact us if you have NOT received item after 35 days, we will check it with post office, and then resend or refund any missing items.
Feedback
● Once you have received your item, please leave feedback for us as this will inform us that you have received your items.
● We really need your positive feedback and 5 Star ratings after you receive your order, we will give you a positive feedback.
● Your satisfaction is most important for us. If you have a problem or question regarding your transaction, please contact us before leaving any type of feedback. And give us the opportunity to reasonably rectify in a reasonable amount of time, whatever your concern may be.
● Negative feedback does not solve anything. We are always willing to work things out. So feel free to contact us.
FAQ of Varistor
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 50% as deposit, and 50% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 3-7 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Why choose us
1. Quality assurance: All the products will go through lots of tests carefully before dispatch.
2. Competitive production capacity and fast shipping.
3. Manufactuer's price: Factory direct sale, most competitive price.
4. Small order acceptable.
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