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
  
                      
V5.5MLA0603LNR


varistors 5.5v 8.2 (7.1~9.3) 17.5v 30a 0603 rohs
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Littelfuse 16445
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AUD 0.2266
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MLV9 VDC4 VAC25.5 V-30 A100 mJ520 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)MLAPCB Mount9.3 V- 55 C+ 125 C 
301KD10


500V 250V 190V 300V Plugin Varistors ROHS
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Liown 843
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AUD 0.0506
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   500 V          300 V   
D6544ZOV251RA130


MOV - Standard Series - 20mm - 250VAC - 10000A Imax
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Maida 843
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AUD 0.6627
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          -       
MOVGT20V310K


Varistors MOVGT - MOV & GDT Combination, 20 mm disc size, 310 V MCOV
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Eaton 843
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AUD 1.5365
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MOV, GDT        AxialBulk MOVGT     
V300LA40CPX10X2855


Varistors 20MM Radial
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Littelfuse 842
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AUD 1.1349
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          Bulk       
V20H510AUTO


Varistors RADIAL VARISTOR 20MM ROHSLEAD FREE
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Littelfuse 841
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AUD 1.2571
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MOV670 VDC510 VAC1.355 kV23 mm10 kA410 J350 pF RadialBulk AUMOVPCB Mount820 V- 40 C+ 125 CAEC - Q200
621KD07


Varistors 505V 620 (558~682) 1025V 1.2KA Through Hole RoHS
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Yageo 836
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AUD 0.0856
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MOV505 VDC385 VAC1.025 kV7 mm1.2 kA38 J80 pF RadialBulk 07DPCB Mount620 V- 40 C+ 105 C 
ERZ-V20D271


Varistors 270V 6500A ZNR SUR ABSORBER 20MM
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Panasonic 836
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AUD 0.8502
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Mov225 V175 V455 V20 mm10 kA190 J1300 pF- 40 C to + 85 CRadial  V 270 V- 40 C+ 85 C 
VDR-10D820K


Varistors 65V 82 (74~90) 135V 2.5KA Through Hole RoHS
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VDR 835
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AUD 0.0606
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   135 V          74 V ~ 90 V   
ERZ-V10D471CS


Panasonic Varistors ZNR TransientSurge Absorbers Type D
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Panasonic 771
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AUD 0.2413
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MOV385 VDC300 VAC775 V10 mm3.5 kA85 J230 pF Radial  VPCB Mount470 V- 40 C+ 85 C 
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