About Varistors

Dowo Varistors

A varistor (also known as a voltage-dependent resistor, or VDR) is a resistor whose resistance changes as the voltage across it increases or decreases. Varistors are typically constructed from a ceramic material containing semiconductor materials such as silicon and germanium. They have a relatively large resistance at low voltage levels, but as the voltage increases, their resistance drops significantly, allowing more current to flow through them. This feature makes them useful for absorbing transient voltages, which are sudden increases in the voltage that can occur when a device is powered on or off. Varistors are also commonly used to provide overvoltage protection, where they absorb and dissipate excessive voltages before they reach sensitive electronic components.

Varistors

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(Ex. GST)(▲▼)		Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
MVR1812-470G


1812 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 4757
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USD 0.1189
Multiples of: 5

                  
DW0603-050E2R5NT


5V 0603 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 3783
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USD 0.0099
Multiples of: 50

                  
DW0603-240E2R5NT


24V 0603 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 3783
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USD 0.0128
Multiples of: 20

                  
MVR1210-270H


1210 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 3351
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USD 0.1082
Multiples of: 5

                  
MVR1206-180G


18V 1206 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 2910
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USD 0.0374
Multiples of: 10

              18 V   
MVR1206-240G


24V 1206 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 2890
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USD 0.0374
Multiples of: 10

              24 V   
MVR1206-470G


47V 1206 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 2677
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USD 0.0374
Multiples of: 10

              47 V   
MVR1210-390G


1210 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 2308
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USD 0.0972
Multiples of: 5

                  
MVR1206-330G


33V 1206 Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 1872
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USD 0.0374
Multiples of: 10

              33 V   
3225-471H


470V SMD,7.7x6mm Varistors ROHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

DOWO Availability : 970
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USD 0.0374
Multiples of: 10

              470 V   
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