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
  
                      
B72220S2421K101


EPCOS TDK Varistors 420V RMS 20MM RADIAL Varistor S20K420E2
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TDK 3621
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AUD 0.9916
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MOV560 VDC420 VAC1120 V21.5 mm10 kA273 J420 pF RadialBulk B722xxS2PCB Mount680 V- 40 C+ 105 C 
B72207S0110K111


Varistors Varistor S07K11G
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TDK 3613
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AUD 0.2043
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Mov14 VDC11 VAC36 V7 mm250 A800 Mj2750 pF RadialCut Tape Standardd 18 VDC- 40 C+ 105 C 
V07X320E


Varistors 320VAC 50J 845V-CL 2.5KA-PK
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Littelfuse 3609
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AUD 0.1697
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MOV410 VDC320 VAC845 V9 mm2.5 kA50 J130 pF RadialBulk XtremePCB Mount510 V- 40 C+ 125 C 
B72214P2421K101


Varistors 560V 680 (612~748) Through Hole RoHS
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TDK 3600
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AUD 0.6223
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Mov560 VDC420 VAC1120 V16.5 mm6 kA190 J355 pF- 40 C to + 85 CRadialBulk Advanced - Mp S14 680 VDC- 40 C+ 105 C 
TMOV20RP320M


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse 3589
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AUD 1.9014
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MOV561 VDC320 VAC840 V20 mm10 kA372 J750 pF RadialBulk iTMOVPCB Mount561 V- 55 C+ 85 C 
B72214S351K101


Varistors 350VAC 10% 14mm StandarD
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TDK 3567
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AUD 0.3232
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          Bulk Superior S25  - 40 C+ 105 C 
MOV-14D561K


Bourns Varistors 560volts 14mm
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Bourns 3542
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AUD 0.2467
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Mov560 VDC 925 V14 mm4.5 kA125 J360 pF- 40 C to + 85 C Bulk Mov - 14Dxxxk  - 40 C+ 85 C 
B72214S0301K101


Varistors 385V Through Hole RoHS
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TDK 3444
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AUD 0.1067
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   775 V14 mm  4950 pF- 40 C to + 85 C Bulk   470 V   
V8ZA2P


Varistors 4 VAC .8J 20V-CLAMP 250A-PK
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Littelfuse 3176
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AUD 0.3127
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Mov5.5 V4 V20 V10 mm250 A0.8 J7500 pF- 55 C to + 85 CRadialBulk Za 6 v to 11 V- 55 C+ 85 C 
V120ZA05P


Varistors 75 VAC 3J 205V-CLAMP 400A-PK
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Littelfuse 2570
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AUD 0.2247
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MOV102 VDC75 VAC205 V5 mm100 A3 J70 pF RadialBulk ZAPCB Mount132 V- 55 C+ 85 C 
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