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
  
                      
B72500D200A60


ESD Suppressors 0603 20Vdc 56pF Ceradiode CDS3C20GTA
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TDK 3638
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AUD 0.0943
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MLV22 VDC-50 V-30 A-56 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)Standard CeraDiodesPCB Mount25 V- 40 C+ 85 C 
B72660M481K72


Varistors 480V 1000A 40J CU4032K480G2
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TDK 3637
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AUD 0.5538
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 640 V480 V  1000 A40 J - 40 C to + 85 C Reel Cu Standard  - 40 C+ 85 C 
V100ZA05P


Varistors 60 VAC 2.5J 165V-CLAMP 400A-PK
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Littelfuse 3621
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AUD 0.2467
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Mov81 V60 V175 V5 mm400 A2.5 J90 pF- 55 C to + 85 CRadialBulk Za  - 55 C+ 85 C 
V05P11P


Varistors 11V 5mm Phenolic UltraMOV
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Littelfuse 3616
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AUD 0.2656
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Mov18 VDC11 VAC36 V5 mm500 A800 Mj1300 pF RadialBulk-Lv Ultramov 18 VDC- 40 C+ 125 C 
TND05V-121KB00AAA0


Var MOV 75VAC/100VDC 800A 120V Radial
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Chemi-Con 3596
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AUD 0.198
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MOV100 VDC75 VAC210 V5 mm800 A3.5 J310 pF RadialBulk VPCB Mount120 V- 40 C+ 85 C 
CVQ300K20BL1


Varistors CV+ 300 K 20 B L1
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Bourns 3594
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AUD 1.8071
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MOV385 VDC300 VAC775 V22.5 mm12 kA380 J850 pF Radial  CVQThrough Hole470 V- 40 C+ 85 C 
B72207S0750K101


Varistors 75volts 1200A
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TDK 3591
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AUD 0.1713
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Mov100 VDC75 VAC200 V7 mm1.2 kA5.9 J430 pF RadialBulk Standardd 120 V- 40 C+ 105 C 
KMOV0603A8R0K


0603 Varistors ROHS
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Yongyutai Electronics 3589
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AUD 0.0272
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0402ESDA-05N


58V 5V 12.7V 0402 Varistors ROHS
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Yongyutai Electronics 3395
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AUD 0.0091
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   58 V              
VDR3225K471G2


SMD Varistors ROHS
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VDR 950
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AUD 0.0694
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              470 V   
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