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
  
                      
V25S510P


Varistors 510VAC 700J 1335V CLAMP 22KAPK 25MM
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Littelfuse 3493
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AUD 2.2821
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Mov670 V510 V1335 V25 mm22 kA700 J820 pF- 55 C to + 85 C Bulk 25S  - 55 C+ 85 C 
TMOV25SP150M


Varistors 150V 20KA SQ 25MM 25S ROHS / LEAD FREE
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Littelfuse 752
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AUD 4.6955
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Mov200 VDC150 VAC390 V25 mm20 kA220 J2300 pF Solder TerminalBulk 25S 216 V- 55 C+ 85 C 
MOVTP20V320N


Varistors MOVTP, 20 mm, 320 Vac
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Eaton 750
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AUD 1.5564
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MOV410 VDC320 VAC845 V23.5 mm10000 A386 J- Through HoleBulk MOVTPThrough Hole561 V- 40 C+ 105 C 
NVD05UCD200


KOA Speer Varistors 200Volt 5mm
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KOA Speer 749
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AUD 0.1269
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Mov170 VDC130 VAC355 V5 mm600 A6 J-- 40 C to + 125 CRadialReel Nvd 200 VDC- 40 C+ 85 CAec - Q200
B72207U2271K501


Varistors SNF Leaded Varistor 275V 7mm 10%
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TDK 746
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AUD 0.1676
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Mov350 VDC275 VAC710 V11 mm1.75 kA27.5 J110 pF RadialBulk Snf Advanced 430 V- 40 C+ 125 C 
ERZ-E05F201


Panasonic Varistors ERZ-E 5mm 200V T&R ZNR Surge Absorber
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Panasonic 746
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AUD 0.1821
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Mov170 V130 V340 V7 mm1.2 kA13 J200 pF- 40 C to + 85 C Reel Erz - E 200 V- 40 C+ 85 C 
TMOV25SP140M


Varistors 140V 20KA SQ 25MM PB FREE 25S
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Littelfuse 745
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AUD 5.4808
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MOV180 VDC140 VAC355 V25 mm20 kA210 J2500 pF RadialBulk TMOVPCB Mount242 V- 55 C+ 85 C 
561KD07


Varistors 460V 925V 1.2KA Through Hole RoHS
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Yageo 743
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AUD 0.0558
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MOV460 VDC350 VAC920 V7 mm400 A24 J90 pF RadialBulk 05DPCB Mount560 V- 40 C+ 105 C 
VCR-14D390KAB


25VAC RMS 14MM 1000A 8.6J RADIAL LEAD VARISTOR
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Hitano 739
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AUD 0.1797
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Mlv-------- 55 C to + 85 C Bulk       
B72220S151K151


EPCOS TDK Varistors 150vrms 20mm StdCrmp
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TDK 730
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AUD 0.5779
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Mov200 VDC150 VAC395 V20 mm8 kA85 J1550 pF- 40 C to + 85 CRadialReel-Automotive 240 VDC- 40 C+ 105 C 
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