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
  
                      
VZ40D241KQ-N


VZ40D241KQN world products
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World Products 26
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AUD 7.3125
Multiples of: 40

          -       
V421HA40


Varistors 420V 40kA 3000pF
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Littelfuse 26
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AUD 20.2086
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MOV560 VDC420 VAC1.1 kV40 mm40 kA600 J3000 pF SMD/SMTBulk HAPCB Mount - 55 C+ 85 C 
11BGX77048


NOISE FILTER VARISTOR 48VAC
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Lovato 26
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AUD 55.3875
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B72214S0140K101


Varistors 14volts 1000A
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TDK 25
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AUD 0.298
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   43 V14 mm  9950 pF- 40 C to + 85 C Bulk   22 V   
ERZ-C32EK431Y


Varistors 430V 25KA 60x55x14mm
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Panasonic 25
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AUD 29.4957
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MOV350 VDC250 VAC710 V-25 kA400 J2500 pF ScrewBulk ZNRChassis Mount430 V- 40 C+ 85 C 
V510LA10P


1.35kV 675V 510V 820V Plugin Varistors ROHS
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Littelfuse 24
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AUD 0.388
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MOV675 VDC510 VAC1.35 kV10 mm2.5 kA63 J100 pF RadialBulk LAPCB Mount902 V- 55 C+ 85 C 
MOVTP20V250N


Varistors MOVTP, 20 mm, 250 Vac
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Eaton 24
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AUD 1.725
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MOV320 VDC250 VAC650 V23.5 mm10000 A240 J- Through HoleBulk MOVTPThrough Hole429 V- 40 C+ 105 C 
B72240B0271K001


Varistors 275V RMS 40MM Varistor B40K275
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TDK 24
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AUD 53.98
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   710 V40 mm  2700 pF- 40 C to + 85 C Bulk   430 V   
JVR20N431K


Varistor: metal-oxide; THT; 275VAC; 350VDC; 430V; ±10%; 6.5kA; 264J
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Joyin 20
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AUD 0.34
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              430 V   
B72260B0381K001


EPCOS TDK Varistors 385V RMS 60MM Varistor B60K385
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TDK 1
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AUD 91.1743
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MOV505 VDC385 VAC1.025 kV60 mm70 kA1.2 kJ4600 pF SMD/SMTBulk HighEPCB Mount620 V- 40 C+ 105 C 
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