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
  
                      
V68ZA10


PWR MOV 14MM 68VDC/13J/1000A RADIAL LEAD
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Littelfuse 1474
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AUD 1.2292
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          -       
B72220S2461K101


Varistors Varistor S20K460E2
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TDK 1473
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AUD 0.8748
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Mov615 V460 V  10 kA300 J380 pF- 40 C to + 85 CRadialBulk Advanced 750 V- 40 C+ 105 C 
V14P25P


Varistors 25V 14mm Phenolic UltraMOV
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Littelfuse 1472
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AUD 0.6041
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B72220S2681K101


Varistors Varistor S20K680E2
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TDK 1471
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AUD 1.3741
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MOV895 VDC680 VAC1815 V21.5 mm10 kA440 J250 pF RadialBulk B722xxS2PCB Mount1.1 kV- 40 C+ 105 C 
MOV-20D152K


Bourns Varistors 1500volts 20mm
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Bourns 1470
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AUD 1.7286
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MOV1.5 KVDC940 VAC1.98 kV20 mm4.5 kA337 J150 pF RadialBulk MOV - 20DxxxKPCB Mount1500 V- 40 C+ 85 C 
B72210S2131K101


EPCOS TDK Varistors Varistor S10K130E2
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TDK 1469
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AUD 0.2427
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MOV170 VDC130 VAC340 V12 mm3.5 kA25 J400 pF RadialBulk B722xxS2PCB Mount205 V- 40 C+ 105 C 
VDRS14T550BSE


Varistors 550volts 17mm
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Vishay 1467
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AUD 0.8887
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Mov745 V550 V1.5 kV17 mm4.5 kA160 J180 pF- 40 C to + 85 CRadialBulk Vdrs..E 910 V- 40 C+ 85 C 
ERZ-E11A391SC


Varistors 390VDC 0.6W 1mA L/S=7.5mm Cut LD
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Panasonic 1464
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AUD 0.4308
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MOV320 VDC250 VAC650 V13 mm6 kA140 J450 pF RadialBulk ERZ - E - S1PCB Mount390 V- 40 C+ 125 C 
MOVGT07V140K


Varistors MOVGT - MOV & GDT Combination, 7 mm disc size, 140 V MCOV
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Eaton 1464
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AUD 0.6111
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MOV, GDT        AxialBulk MOVGT     
MOV-07D331K


Varistors 150pF 330volts 10%
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Bourns 1460
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AUD 0.0803
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 363 V 550 V7 mm1.2 kA23 J150 pF- 40 C to + 85 C Bulk Mov - 07Dxxxk  - 40 C+ 85 C 
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