About Varistors

Dersonic 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
  
                      
RM10D301KD1IE100


505V 0.4W 40J 330pF@1kHz 250V 195V 300V 1250A Through Hole,P=7.5mm 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.

Dersonic Availability : 6295
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USD 0.0337
Multiples of: 10

                  
RM14D681KD1IE100


1.12kV 0.6W 560V 290pF@1kHz 130J 420V 680V 2.5kA Radial Leaded,P=7.5mm 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.

Dersonic Availability : 5853
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USD 0.0705
Multiples of: 5

   1.12 kV          680 V   
RM07D431KC1IE100


710V 115pF@1kHz 350V 275V 28J 10A Radial Leaded,P=5.08mm 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.

Dersonic Availability : 5257
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USD 0.0159
Multiples of: 20

   710 V          -   
RM10D271KD1IECW0


Varistors 225V 270 (243~297) 455V 2.5KA Through Hole,P=7.5mm 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.

Dersonic Availability : 5218
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USD 0.0335
Multiples of: 10

   455 V          243 V ~ 297 V   
RM10D511KD1IE100


845V 69J 200pF@1kHz 415V 320V 25A Radial Leaded 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.

Dersonic Availability : 5131
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USD 0.0362
Multiples of: 10

                  
RM14D121KD1IECW0


Varistors 100V 120 (108~132) 200V 4.5KA Through Hole,P=7.5mm 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.

Dersonic Availability : 5102
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USD 0.077
Multiples of: 5

   200 V          -   
RM10D271KD14ECW0


Varistors 225V 455V 2.5KA Through Hole,P=7.5mm 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.

Dersonic Availability : 5073
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USD 0.0365
Multiples of: 10

   455 V          -   
RM14D471KD17E100


775V 0.6W 118J 385V 430pF@1kHz 300V 470V 2.5kA Radial Leaded,P=7.5mm 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.

Dersonic Availability : 5073
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USD 0.0628
Multiples of: 5

                  
RM14D241KD17E100


395V 0.6W 63J 830pF@1kHz 200V 150V 240V 2.5kA Radial Leaded,P=7.5mm 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.

Dersonic Availability : 5044
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USD 0.0604
Multiples of: 5

   395 V          240 V   
RM10D201KD1IE100


340V 0.4W 500pF@1kHz 170V 30J 130V 200V 1250A Through Hole,P=7.5mm 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.

Dersonic Availability : 5024
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USD 0.0422
Multiples of: 10

   340 V          200 V   
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