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
  
                      
820541021


Varistors Disk Varistor Standard WE-VD - BULK
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Wurth 4850
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AUD 2.883
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820524611


Wurth Electronics Varistors WE-VD 20mm Disc 520pF 6500A 615VDC
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Wurth 4850
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AUD 7.0525
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 615 VDC460 VAC1.24 kV20 mm6.5 kA360 J520 pF- 40 C to + 125 CRadialAmmo Pack We - Vd 750 VDC- 40 C+ 125 C 
TMOV20RP130M


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse 4844
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AUD 2.09
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MOV170 VDC130 VAC340 V20 mm10 kA100 J1900 pF RadialBulk iTMOVPCB Mount225.5 V- 55 C+ 85 C 
MOV-14D220K


Varistors 22volts 14mm
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Bourns 4842
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AUD 0.2593
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MOV22 VDC14 VAC43 V14 mm1 kA5 J9100 pF RadialBulk MOV - 14DxxxKPCB Mount22 V- 40 C+ 85 C 
MOV10D470K206RV084


Plugin
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KNSCHA 4840
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AUD 0.0744
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B72207S0321K101


Varistors 320VAC 10% 7mm StandarD
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TDK 4840
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AUD 0.154
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MOV420 VDC320 VAC840 V7 mm1.2 kA25 J90 pF RadialBulk StandardDPCB Mount510 V- 40 C+ 105 C 
AMLV12V48C270


Varistors Surface Mount Automotive MLV, AMLV12, 1206 MLV 48 Vdc
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Eaton 4840
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AUD 0.3385
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MLV48 VDC37 VAC100 V-100 A0.4 J270 pF SMD/SMTReel , Cut Tape AMLV12PCB Mount68.2 V- 55 C+ 125 C 
V150ZA4P


Varistors RADIAL VARISTOR 10MM ROHS / LEAD FREE
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Littelfuse 4840
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AUD 0.3441
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MOV127 VDC95 VAC250 V10 mm1 kA15 J600 pF RadialBulk ZAPCB Mount165 V- 55 C+ 85 C 
V660LA10P


1820V 850V 660V 1.08kV Plugin Varistors ROHS
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Littelfuse 4838
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AUD 0.7794
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Mov850 V660 V1.82 kV10 mm2.5 kA70 J70 pF- 55 C to + 85 CRadialBulk La 1 kV- 55 C+ 85 C 
VE0603K300R020


Varistors 26V 30A 0603 AEC-Q200
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Kemet 4834
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AUD 0.1179
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Mlv26 VDC20 VAC56 V 30 A300 Mj175 pF Smd/SmtCut Tape0603 (1608 METRIC)Ve 33 V- 55 C+ 150 CAec - Q200
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