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
  
                      
MLV1812E32503T


Varistors 1812 25volts 30A 37.0V to 46.0V
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Vishay 1786
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AUD 1.187
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MLV30 VDC25 VAC78 V-800 A3.7 J2500 pF SMD/SMTReel , Cut Tape1812 (4532 METRIC)MLV1812E3PCB Mount46 V- 55 C+ 85 C 
B72205S0231K111


EPCOS TDK Varistors Varistor S05K230G
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TDK 950
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AUD 0.2148
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Mov300 VDC230 VAC595 V5 mm400 A7.2 J70 pF- 40 C to + 85 CRadialReel B722 360 VDC- 40 C+ 105 C 
ERZ-VGAD621


Panasonic Varistors ZNR TransientSurge Absorbers Type D
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Panasonic 950
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AUD 0.5808
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MOV505 VDC385 VAC1.025 kV10 mm3.5 kA92 J190 pF Radial  VPCB Mount620 V- 40 C+ 85 C 
NVD07UCD027


Varistors 27Volt 7mm
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KOA Speer 949
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AUD 0.125
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Mov22 V17 V53 V7 mm250 A1.3 J - 40 C to + 125 CRadialReel Nvd 27 V- 40 C+ 85 CAec - Q200
Z10D471


Varistors 470V 2500A 12.5mm
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Semitec 947
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AUD 0.4365
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MOV385 VDC300 VAC200 V12.5 mm1.25 kA85 J590 pF RadialBulk Z10DPCB Mount470 V- 40 C+ 85 C 
MOV14D560K206RV085


Plugin
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KNSCHA 945
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AUD 0.1159
Multiples of: 5

                  
V275LA10


VARISTOR RADIAL 10MM PKG 275V AC /45J/2
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Littelfuse 944
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AUD 0.6062
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B72530T6250K062


Varistors 1210 36VDC 5000pF 1500A
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TDK 944
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AUD 0.6303
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          Cut Tape       
ERZ-V20D560


Varistors 56V 2000A ZNR SUR ABSORBER 20MM
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Panasonic 943
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AUD 0.8751
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Mov45 V35 V110 V20 mm3 A41 J0.0122 uF- 40 C to + 85 CRadial  V 56 V- 40 C+ 85 C 
VC121030G620DP


Varistors 21VAC 30VDC 0.9J 1750pF 41 V 67V
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Kyocera AVX 704
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AUD 0.8373
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Mlv30 V21 V67 V 220 A0.9 J1750 pF- 55 C to + 125 CSmd/SmtReel1210 (3225 METRIC)Vc 41 V- 55 C+ 125 C 
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