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
  
                      
821KD20


Varistors 820V 6.5KA MOV Disc 20mm
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Yageo 19
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AUD 0.4447
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MOV670 VDC510 VAC1.355 kV20 mm6.5 kA282 J500 pF RadialBulk 20DPCB Mount820 V- 40 C+ 105 C 
MOVTP20V130T


Varistors MOVTP, 20 mm, 130 Vac
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Eaton 19
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AUD 1.98
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MOV170 VDC130 VAC340 V23.5 mm10000 A140 J- Through HoleBulk MOVTPThrough Hole220 V- 40 C+ 105 C 
ERZ-C32CK201B


Panasonic Varistors ERZC TYPE CK UL CSA DISK ZNRTABS
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Panasonic 19
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AUD 7.5
Multiples of: 10

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ERZ-C40CK621W


Varistors ERZC TYPE CK UL CSA RECOGNZD DSK ZNR TAB Max. Allow. =AC385Vrms, Peak Current 30kA
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Panasonic 19
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AUD 18.0577
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MOV505 VDC385 VAC1.025 kV40 mm30 kA515 J- Screw  CKChassis Mount620 V- 40 C+ 85 C 
ERZ-C32CK471W


Varistors ERZC TYPE CK UL CSA RECOGNZD DSK ZNR TAB Max Allow.=300VACrms, Peak Current 25k
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Panasonic 19
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AUD 26.1014
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MOV385 VDC300 VAC775 V-25 kA405 J- Screw  CKChassis Mount470 V- 40 C+ 85 C 
ERZ-E10A621


Varistors 620volts 4500A 10mm Straight Leads
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Panasonic 18
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AUD 0.1744
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 505 V385 V1.025 kV 4.5 kA126 J280 pF- 40 C to + 85 CThrough HoleBulk Erz - E10 620 V- 40 C+ 85 C 
B72207S0151K111


Varistors Varistor S07K150G
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TDK 17
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AUD 0.2043
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Mov200 V150 V395 V7 mm1.2 kA11 J210 pF- 40 C to + 85 CRadialReel B722 240 V- 40 C+ 105 C 
Z21D821


Varistors 820V 6500A 22.5mm
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Semitec 17
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AUD 2.5385
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MOV670 VDC510 VAC360 V22.5 mm4.5 kA460 J740 pF RadialBulk Z21DPCB Mount820 V- 40 C+ 85 C 
B72232B0551K001


Varistors 550V RMS 32MM Varistor B32K550
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TDK 17
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AUD 44.86
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 7 VDC550 VAC1.5 kV32 mm25 kA620 J1000 pF  Bulk Highe  - 40 C+ 105 C 
CGA0603MLA-31900E


39.45 V 30 A Varistor 1 Circuit Surface Mount, MLCV 0603 (1608 Metric)
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Bourns 16
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AUD 0.1226
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Mlv31 VDC25 VAC71 V 30 A0.2 J90 pF- 55 C to + 125 CSmd/SmtReel0603 (1608)Mla Automotive 31 VDC- 55 C+ 125 CAec - Q200
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