About Varistors

Ruilongyuan 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.
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Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
RL0603E018M300K


Varistors 18V 50V 0603 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.

Ruilongyuan Availability : 5808
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USD 0.0105

Multiples of: 20

   50 V          -   
RL1206A270K


72V 22V 17V 26.4V~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.

Ruilongyuan Availability : 5751
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USD 0.0731

Multiples of: 5

   72 V          26.4 V ~ 33 V   
RL1812A530K


138V 42V 32V 50.4V~63V 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.

Ruilongyuan Availability : 5738
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USD 0.1923

Multiples of: 5

   138 V          50.4 V ~ 63 V   
RL1206A240K


59V 18V 14V 21.6V~27V 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.

Ruilongyuan Availability : 5709
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USD 0.0668

Multiples of: 5

   59 V          21.6 V ~ 27 V   
RL0402E005M200K


Varistors 5V 0402 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.

Ruilongyuan Availability : 5625
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USD 0.0109

Multiples of: 20

   -              
RL0603A180K


46V 14V 11V 16.8V~21V 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.

Ruilongyuan Availability : 5543
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USD 0.0469

Multiples of: 5

   46 V          16.8 V ~ 21 V   
RL0603A360K


78V 28V 21V 33.6V~42V 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.

Ruilongyuan Availability : 5413
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USD 0.046

Multiples of: 5

   78 V          33.6 V ~ 42 V   
RL0402E012M015K


Varistors 12V 50V 0402 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.

Ruilongyuan Availability : 5229
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.0337

Multiples of: 10

   50 V          -   
14D511K


Varistors 415V 845V 4.5KA Through Hole 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.

Ruilongyuan Availability : 4879
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USD 0.0688

Multiples of: 5

   845 V          459 V ~ 561 V   
RL1812A121K


290V 90V 65V 108V~132V 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.

Ruilongyuan Availability : 4853
Ship by Fri. 13 Sep to Wed. 18 Sep Calender.png

USD 0.0644

Multiples of: 5

   290 V          108 V ~ 132 V   
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