CEDICOM ELECTRONICS
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Metal Oxide Varistor
200.00 - 300.00 INR
Product Details:
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Metal Oxide Varistor Price And Quantity
- 200.00 - 300.00 INR
- 500 Piece
Metal Oxide Varistor Trade Information
- 1000000-1200000 Piece Per Month
- 1 Week
- Yes
- Within a certain price range free samples are available
- All India
Product Description
Metal Oxide Varistors
We as a genuine manufacturer, supplier, trader, are occupied with offering a superb quality array of Metal Oxide Varistors. The offered range is planned without most earnestness and diligent work. Our experts are most experienced in this domain. The composed this array with the usage of value high essential materials and current procedures. Excessively the expense of this array is exceptionally ostensible rates. Our array of Metal Oxide Varistors is all around acclaimed for features, such as, quality guaranteed, strong, rust free, superior, etc.
INTRODUCTION
Cedicom Electronics manufactures a wide range of METAL OXIDE VARISTORS (MOV'S) for Surge Protection Application. The AC power line environment contains electrical high voltage transients/surges due to lighting, line to ground faults, short circuits fuse blow, switching on and off heavy electrical machinery and many more causes. These voltage surges could be high as 6KV and can last fora few micro seconds to milliseconds, further more, the frequency of these surges often could be at least four times a day. These transients, inspite of their normally short duration, are extremely damaging to the modern electronic equipments where in advanced IC's and other components are used and are very sensitive to such high voltage surges. Major failure in these sophisticated electronic systems are attributed to these transients. Besides failure in electronic systems these
transients can also cause damage to electrical systems by damaging transformers, contractors and similar components by causing insulation break-down, spark over, etc.
To overcome the problems associated with the transients, often surge suppressor devices are used. Amongst the suppressor devices that are available "Metal Oxide Varistor' (MOV's) are the latest type of electronic devices used for surge suppression.
METAL OXIDE VARISTOR:
The MOV's are voltage dependent, non-linear devices which are manufactured using semi conducting metal oxides and has a current (1), voltage (V) characteristics given by the following equation 1: KVn where K is a Parametric constant and 'n' in the non-linear factor.
The I-V characteristic, thus, is very similar to that of back-to-back zener diode (but zener diode has very limited range of surge protection and energy handling capability). The advantages in using MOV's are:
- Can be used in AC or DC Lines .
- Excellent voltage clamping properly
- Fast response time
- Wide choice of operating voltage and Energy ranges
- Large surge current withstand capability
- Very low leakage current
- Symmetrical current voltage characteristics
- No follow on current
Dimension of Component
| Dia/code | 7 | 10 | 14 | 20 |
| Dia Max | 9 | 13 | 17 | 23 |
| D(lead dia) | 0.6 | 0.8 | 0.8 | 0.8 |
| F (+ 0.5) (pitch) | 5 | 7.5 | 7.5 | 10 |
MOV Applications
The MOV's are extensively used for surge protection of various systems, some of which are given below:-
| Electronics | Domestic | Telecommunication | Ulilities/Facilities |
| Computers & Peripherals | Refrigeration/Heating Equipments | Telephones | Power Distribution |
| Microprocessor Based Systems | Washing Machines | Communication Equipments | Railways |
| Electrical Machine Tools | Mixers/ Juicers | EPABX | Converters/ Inverters |
| Instrumentation | Microwave Ovens | Switch Board etc. | Power suppliers etc. |
| Medical Electronics | Tv's & Entertainment Electronics | | |
| NC/ CMC Systems | Fan Regulators | | |
| PLC etc. | Air Conditioners etc. | | |
And to protect any system or equipment where AC or DC power is used.
Varistor Ratings & Specifications :
| Varistor (MOV) Type No. | Maximum Rated Voltage | Varistor Voltage @1mA | Maximum Clamping Voltage V Max | Maximum Surge Current(8/20us) | Maximum Energy 10/1000US(Joule) | Typical Capacitance at 1KHz PF | |
| AC(V) rms | DC(V) rms | Range Min. - V -Max. | |||||
| CVR 11/07 | 11 | 14 | 16 - 18 - 20 | 38 | 250 | 1.2 | 3500 |
| CVR 14/07 | 14 | 18 | 20 - 22 - 24 | 43 | 250 | 1.4 | 2800 |
| CVR 14/10 | CVR 14/10 | 18 | 20 - 22 - 24 | 43 | 500 | 2.7 | 6000 |
| CVR 14/14 | 14 | 18 | 20 - 22 - 24 | 43 | 1000 | 5.4 | 15000 |
| CVR 20/07 | 20 | 26 | 30 - 33 - 36 | 65 | 250 | 2.2 | 1800 |
| CVR 20/14 | 20 | 26 | 30 - 33 - 36 | 65 | 1000 | 8.8 | 8500 |
| CVR 25/07 | 25 | 31 | 35 - 39 - 43 | 77 | 250 | 2.4 | 1450 |
| CVR 25/10 | 25 | 31 | 35 - 39 - 43 | 77 | 500 | 4.7 | 3700 |
| CVR 25/14 | 25 | 31 | 35 - 39 - 43 | 77 | 1000 | 9.4 | 7500 |
| CVR 30/07 | 30 | 38 | 42 - 47 - 52 | 93 | 250 | 3.0 | 1150 |
| CVR 30/10 | 30 | 38 | 42 - 47 - 52 | 93 | 500 | 6.0 | 3300 |
| CVR 30/14 | 30 | 38 | 42 - 47 - 52 | 93 | 1000 | 12.0 | 6500 |
| CVR 40/10 | 40 | 56 | 61 - 68 - 75 | 135 | 500 | 8.5 | 2500 |
| CVR 40/14 | 40 | 56 | 61 - 68 - 75 | 135 | 1000 | 17.0 | 4700 |
| CVR 50/10 | 50 | 65 | 74 - 82 - 90 | 135 | 2500 | 11.0 | 2100 |
| CVR 50/14 | 50 | 65 | 74 - 82 - 90 | 135 | 4500 | 22.0 | 3900 |
| CVR 60/07 | 60 | 85 | 90 - 100 - 110 | 165 | 1200 | 7.0 | 860 |
| CVR 60/10 | 60 | 85 | 90 - 100 - 110 | 165 | 2500 | 14.0 | 1700 |
| CVR 60/14 | 60 | 85 | 90 - 100 - 110 | 165 | 4500 | 28.0 | 3400 |
| CVR 75/14 | 75 | 100 | 108 - 120 - 132 | 200 | 4500 | 32.0 | 3100 |
| CVR 95/07 | 95 | 125 | 135 - 150 - 165 | 250 | 1200 | 11.0 | 490 |
| CVR 95/10 | 95 | 125 | 135 - 150 - 165 | 250 | 2500 | 22.0 | 1300 |
| CVR 95/14 | 95 | 125 | 135 - 150 - 165 | 250 | 4500 | 44.0 | 3000 |
| CVR 110/14 | 110 | 153 | 162 - 180 - 198 | 300 | 2500 | 18.0 | 900 |
| CVR 130/07 | 130 | 170 | 185 - 200 - 225 | 340 | 1200 | 14.3 | 240 |
| CVR 130/10 | 130 | 170 | 185 - 200 - 225 | 340 | 2500 | 28.5 | 430 |
| CVR 130/14 | 130 | 170 | 185 - 200 - 225 | 340 | 4500 | 57.0 | 970 |
| CVR 150/07 | 150 | 200 | 216 - 240 - 264 | 395 | 1200 | 16.8 | 165 |
| CVR 150/10 | 150 | 200 | 216 - 240 - 264 | 395 | 2500 | 33.5 | 360 |
| CVR 150/14 | 150 | 200 | 216 - 240 - 264 | 395 | 4500 | 67.0 | 710 |
| CVR 150/20 | 150 | 200 | 216 - 240 - 264 | 395 | 6500 | 134.0 | 1500 |
| CVR 230/10 | 230 | 300 | 324 - 360 - 396 | 595 | 2500 | 52.0 | 260 |
| CVR 230/14 | 230 | 300 | 324 - 360 - 396 | 595 | 4500 | 104.0 | 500 |
| CVR 250/07 | 150 | 320 | 351 - 390 - 429 | 650 | 1200 | 30.0 | 105 |
| CVR 250/10 | 250 | 320 | 351 - 390 - 429 | 650 | 2500 | 60.0 | 240 |
| CVR 250/14 | 250 | 320 | 351 - 390 - 429 | 650 | 4500 | 120.0 | 480 |
| CVR 250/20 | 250 | 320 | 351 - 390 - 429 | 650 | 6500 | 240.0 | 1180 |
| CVR 275/07 | 275 | 350 | 387 - 430 - 473 | 710 | 1200 | 33.0 | 100 |
| CVR 275/10 | 275 | 350 | 387 - 430 - 473 | 710 | 2500 | 66.0 | 220 |
| CVR 275/14 | 275 | 350 | 387 - 430 - 473 | 710 | 4500 | 132.0 | 440 |
| CVR 275/20 | 275 | 350 | 387 - 430 - 473 | 710 | 6500 | 364.0 | 1100 |
| CVR 300/07 | 300 | 385 | 423 - 470 - 517 | 775 | 1200 | 35.0 | 90 |
| CVR 300/10 | 300 | 385 | 423 - 470 - 517 | 775 | 2500 | 70.0 | 190 |
| CVR 300/14 | 300 | 385 | 423 - 470 - 517 | 775 | 4500 | 140.0 | 420 |
| CVR 320/07 | 320 | 418 | 459 - 510 - 561 | 842 | 1200 | 37.0 | 80 |
| CVR 320/10 | 320 | 418 | 459 - 510 - 561 | 842 | 2500 | 74.0 | 180 |
| CVR 320/14 | 320 | 418 | 459 - 510 - 561 | 842 | 4500 | 148.0 | 390 |
| CVR 320/20 | 320 | 418 | 459 - 510 - 561 | 842 | 6500 | 296.0 | 1000 |
| CVR 385/10 | 385 | 505 | 558 - 620 - 682 | 1025 | 2500 | 82.0 | 160 |
| CVR 385/14 | 385 | 505 | 558 - 620 - 682 | 1025 | 4500 | 164.0 | 320 |
| CVR 385/20 | 385 | 505 | 558 - 620 - 682 | 1025 | 6500 | 328.0 | 950 |
| CVR 440/10 | 440 | 590 | 639 - 710 - 781 | 1140 | 2500 | 75.0 | 150 |
| CVR 440/14 | 440 | 590 | 639 - 710 - 781 | 1140 | 4500 | 100.0 | 340 |
| CVR 440/20 | 440 | 590 | 639 - 710 - 781 | 1140 | 6500 | 170.0 | 530 |
| CVR 510/10 | 510 | 670 | 738 - 820 - 902 | 1355 | 2500 | 94.0 | 130 |
| CVR 510/14 | 510 | 670 | 738 - 820 - 902 | 1355 | 4500 | 188.0 | 230 |
| CVR 510/20 | 510 | 670 | 738 - 820 - 902 | 1355 | 6500 | 376.0 | 700 |
| CVR 575/14 | 575 | 730 | 805 - 910 - 1000 | 1500 | 4500 | 120.0 | 250 |
| CVR 575/20 | 575 | 730 | 805 - 910 - 1000 | 1500 | 6500 | 220.0 | 500 |
| CVR 660/14 | 660 | 850 | 945 - 1050 -1155 | 1820 | 4500 | 140.0 | 225 |
| CVR 660/20 | 660 | 850 | 945 - 1050 -1155 | 1820 | 6500 | 250.0 | 450 |
| CVR 680/20 | 680 | 895 | 990 - 1100 -1210 | 1895 | 6500 | 496.0 | 450 |
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