About Varistors

Ftr 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
  
                      
FTR10D271K


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.

FTR Availability : 1455
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USD 0.0313
Multiples of: 10

   455 V          243 V ~ 297 V   
FTR20D112K


1.815kV 383J 895V 680V 990V~1210V 6.5kA 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.

FTR Availability : 1435
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USD 0.2256
Multiples of: 5

                  
FTR14D271K


455V 70J 225V 175V 243V~297V 4.5kA 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.

FTR Availability : 1401
Ship by Fri. 21 Jun to Wed. 26 Jun Calender.png

USD 0.0632
Multiples of: 5

                  
FTR10D471K


Varistors 385V 775V 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.

FTR Availability : 1338
Ship by Fri. 21 Jun to Wed. 26 Jun Calender.png

USD 0.0343
Multiples of: 10

   775 V          -   
FTR20D330K


65V 26V 20V 29.5V~36.5V Plugin 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.

FTR Availability : 1251
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USD 0.1702
Multiples of: 5

   65 V          29.5 V ~ 36.5 V   
FTR14D781K


Varistors 640V 1290V 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.

FTR Availability : 1227
Ship by Fri. 21 Jun to Wed. 26 Jun Calender.png

USD 0.0824
Multiples of: 5

   1290 V          702 V ~ 858 V   
FTR20D102K


Varistors 825V 1650V 6.5KA Through Hole,P=10mm 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.

FTR Availability : 1120
Ship by Fri. 21 Jun to Wed. 26 Jun Calender.png

USD 0.2066
Multiples of: 5

   1650 V          900 V ~ 1100 V   
FTR07D391K


Varistors 320V 650V 1.2KA Through Hole,P=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.

FTR Availability : 1008
Ship by Fri. 21 Jun to Wed. 26 Jun Calender.png

USD 0.0183
Multiples of: 20

   650 V          351 V ~ 429 V   
FTR20D390K


77V 31V 25V 35V~43V Plugin,P=10mm 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.

FTR Availability : 989
Ship by Fri. 21 Jun to Wed. 26 Jun Calender.png

USD 0.1928
Multiples of: 5

   77 V          35 V ~ 43 V   
FTR07D151K


250V 125V 95V 135V~165V Plugin 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.

FTR Availability : 970
Ship by Fri. 21 Jun to Wed. 26 Jun Calender.png

USD 0.0177
Multiples of: 20

   250 V          135 V ~ 165 V   
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