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
  
                      
B72724A2170S162


Varistors CA06P4S17TLCG
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TDK 9920
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AUD 0.3693
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MLV22 VDC17 VAC50 V-30 A75 mJ75 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)B72724PCB Mount25 V- 55 C+ 125 C 
V5.5MLA0603H


Varistors 5.5V 30A 760pF
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Littelfuse 4102
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AUD 0.196
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Mlv5 VDC4 VAC17.5 V 30 A100 Mj760 pF Smd/SmtCut Tape0603 (1608 METRIC)Mla 7.1 V- 55 C+ 125 C 
V385LA20AP


1.025kV 505V 385V 620V Plugin Varistors ROHS
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Littelfuse 4100
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AUD 0.4039
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Mov505 V385 V1.025 kV14 mm4.5 kA 360 pF- 55 C to + 85 CRadialBulk La     
B72660M0151K072


Varistors 150V 1200A 170pF Varistor
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TDK 4085
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AUD 0.5531
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MLV200 VDC150 VAC395 V-1.2 kA11 J170 pF SMD/SMTBlister Pack4032 (102080 METRIC)CU StandardPCB Mount150 V- 40 C+ 85 C 
B72214S0300K151


EPCOS TDK Varistors 30vrms 14mm StdCrmp,S14K30G5
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TDK 4084
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AUD 0.3929
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Mov38 VDC30 VAC93 V14 mm1 kA9 J4950 pF- 40 C to + 85 CRadialReel B722 47 VDC- 40 C+ 105 C 
ERZ-V05D560


Panasonic Varistors 56V 125A ZNR SUR ABSORBER 5MM
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Panasonic 4078
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AUD 0.1304
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Mov45 V35 V123 V5 mm250 A1.8 J600 pF Radial  V 56 V- 40 C+ 85 C 
B72205S0140K111


EPCOS TDK Varistors Varistor S05K14G
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TDK 4074
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AUD 0.2279
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Mov18 VDC14 VAC43 V5 mm100 A0.4 J1450 pF- 40 C to + 85 CRadialReel B722 22 VDC- 40 C+ 105 C 
V05P30P


Varistors 30V 5mm Phenolic UltraMOV
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Littelfuse 4074
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AUD 0.2548
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MOV38 VDC30 VAC93 V5 mm500 A3.1 J650 pF RadialBulk LV UltraMOVPCB Mount47 V- 40 C+ 125 C 
V20E320P


Littelfuse Varistors 320Vrms 10kA 750pF 20mm Disc
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Littelfuse 4074
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AUD 0.4643
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MOV420 VDC320 VAC840 V20 mm10 kA273 J750 pF RadialBulk UltraMOVPCB Mount459 V to 561 V- 55 C+ 85 C 
271KD14


Varistors 225V 455V 4.5KA Through Hole RoHS
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Yageo 82
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AUD 0.0959
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MOV225 VDC175 VAC455 V14 mm4.5 kA70 J740 pF RadialBulk 14DPCB Mount270 V- 40 C+ 105 C 
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