About Varistors

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
  
                      
MOV-20D561KTR


Bourns Varistors 560volts 20mm
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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.

Bourns Availability : 5092
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USD 0.3954
Multiples of: 250

MOV560 VDC350 VAC925 V20 mm4.5 kA125 J360 pF RadialReel , Cut Tape MOV - 20DxxxKPCB Mount560 V- 40 C+ 85 C 
TVR10471KSY


Varistors Through Hole RoHS
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TKS Availability : 5075
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USD 0.0394
Multiples of: 10

   775 V          423 V ~ 517 V   
VE0603K300R014


Varistors 18V 30A 0603 AEC-Q200
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Kemet Availability : 5074
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USD 0.0713
Multiples of: 1

Mlv18 VDC14 VAC40 V 30 A300 Mj195 pF Smd/SmtCut Tape0603 (1608 METRIC)Ve 22 V- 55 C+ 150 CAec - Q200
14D471K68RV0005


775V 105J 430pF@1kHz 385V 300V 423V~517V 4.5kA Radial Leaded,P=7.5mm Varistors ROHS
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KNSCHA Availability : 5070
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USD 0.0652
Multiples of: 5

                  
V3.5MLA0805NT


Varistors MULTI-LAYER VARISTOR SURFACE MOUNT
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Littelfuse Availability : 5068
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USD 0.2088
Multiples of: 1

Mlv3.5 VDC 13 V   2530 pF Smd/SmtCut Tape0805 (2012 METRIC)Mla  - 55 C+ 125 C 
PV95K4032R2


Varistors PV 95V 10%
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Bourns Availability : 5063
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USD 0.3024
Multiples of: 1

MOV125 VDC95 VAC250 V-1.2 kA11 J440 pF SMD/SMTReel , Cut Tape PVPCB Mount150 V- 40 C+ 85 C 
VDR-10D330K


Varistors 26V 65V 500A Through Hole RoHS
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VDR Availability : 5054
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USD 0.0419
Multiples of: 5

   65 V          29.5 V ~ 36.5 V   
Hot B72530T350K62


Varistor: metal-oxide; SMD; 1210; 35VAC; 45VDC; 2J; 250A; 10mW
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TDK Availability : 5048
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USD 0.182
Multiples of: 1

MLV45 VDC35 VAC90 V-250 A2 J600 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)Surge ProtectionPCB Mount56 V- 55 C+ 125 C 
20D201K


Varistors 170V 200 (185~225) 340V 6.5KA Through Hole RoHS
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COV Availability : 5047
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USD 0.1349
Multiples of: 5

   340 V          185 V ~ 225 V   
ERZ-E05F331


Varistors ERZ-E 5mm 330V T&R ZNR Surge Absorber
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Panasonic Availability : 5044
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USD 0.0198
Multiples of: 1

Mov270 V210 V545 V7 mm1.2 kA21 J130 pF- 40 C to + 85 C Reel Erz - E 330 V   
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