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
  
                      
FTR14D820K


135V 65V 50V 74V~90V 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 1552
Ships to you
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USD 0.079
Multiples of: 5

   135 V          74 V ~ 90 V   
FTR10D102KJ


1.65kV 140J 825V 625V 900V~1100V 3.5kA 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 1498
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USD 0.0594
Multiples of: 5

   1.65 kV          900 V ~ 1100 V   
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 1455
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USD 0.0304
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 1435
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USD 0.2187
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 1401
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USD 0.0612
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 1338
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USD 0.0333
Multiples of: 10

   775 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 1227
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USD 0.0798
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 1120
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USD 0.2002
Multiples of: 5

   1650 V          900 V ~ 1100 V   
FTR10D241K


395V 35J 200V 150V 216V~264V 2.5kA 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 1086
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USD 0.0306
Multiples of: 10

   395 V          216 V ~ 264 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 1008
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USD 0.0178
Multiples of: 20

   650 V          351 V ~ 429 V   
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