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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(Ex. GST)(▲▼)		Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
ERZ-E14A271S1


Varistor: ceramics; THT; 175VAC; 225VDC; 270V; 7.5kA
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Panasonic 1770
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AUD 0.6602
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MOV225 VDC175 VAC455 V16.5 mm7.5 kA190 J1000 pF RadialBulk ERZ - E - S1PCB Mount270 V- 40 C+ 125 C 
FTR05D680K


145V 56V 40V 61V~75V Plugin,P=5mm Varistors ROHS
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FTR 1765
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AUD 0.0364
Multiples of: 10

   145 V          61 V ~ 75 V   
JVRS7S241KRF


3225 Varistors ROHS
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KNSCHA 1765
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AUD 0.0733
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14D180K


Varistors 14V 36V 1KA Through Hole,P=7.5mm RoHS
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Ruilongyuan 1760
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AUD 0.1248
Multiples of: 5

   36 V              
MOV-20D820KTR


Bourns Varistors 82volts 20mm
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Bourns 1758
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AUD 0.4732
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MOV82 VDC50 VAC135 V20 mm4.5 kA22 J2400 pF RadialReel , Cut Tape MOV - 20DxxxKPCB Mount82 V- 40 C+ 85 C 
V25S275P


Varistors 275VAC 470J 700V CLAMP 22KAPK 25MM
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Littelfuse 1754
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AUD 2.2
Multiples of: 1

MOV350 VDC275 VAC700 V25 mm22 kA470 J1610 pF RadialBulk UltraMOV25SPCB Mount473 V- 55 C+ 85 C 
MOV-20D680K


Bourns Varistors 68volts 20mm
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Bourns 1753
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AUD 0.5919
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MOV68 VDC40 VAC135 V20 mm1 kA14 J2900 pF RadialBulk MOV - 20DxxxKPCB Mount68 V- 40 C+ 85 C 
B72214S0271K501


EPCOS TDK Varistors Varistor S14K275S5
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TDK 1752
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AUD 0.309
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Mov350 VDC275 VAC710 V14 mm4.5 kA71 J440 pF- 40 C to + 85 CRadialBulk B722 430 VDC- 40 C+ 105 C 
820KD10J


Varistors Through Hole RoHS
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Yageo 1749
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AUD 0.0919
Multiples of: 1

MOV65 VDC50 VAC135 V10 mm3.5 kA17 J1200 pF RadialBulk 10DThrough Hole82 V- 40 C+ 105 C 
VCAS120626F540DP


AVX Varistors 26volts 0.7J 200A
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Kyocera AVX 1749
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AUD 0.3649
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Mlv26 VDC18 VAC54 V 200 A0.7 J600 pF- 55 C to + 125 CSmd/SmtReel1206 (3216 METRIC)Vcas 33 V- 55 C+ 125 C 
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