About Varistors

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.

Varistors

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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
  
                      
Hot B72205S0251K101


Varistors 250volts 400A
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

TDK Availability : 16948
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USD 0.0702
Multiples of: 1

   650 V5 mm  55 pF- 40 C to + 85 C Bulk   390 V   
AVRM1608C720KT750M


Varistors 0805 53VDC 75pF 10% AEC-Q200
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TDK Availability : 16854
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USD 0.06
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MLV53 VDC-135 V-40 A100 mJ75 pF SMD/SMTReel , Cut Tape0603 (1608 METRIC)AVRPCB Mount72 V- 40 C+ 125 CAEC - Q200
7D561K


Varistors 460V 920V 1.2KA Through Hole RoHS
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Hongzhi Availability : 16850
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USD 0.0159
Multiples of: 20

   920 V          504 V ~ 616 V   
ZV30K1206201NIR1HT


Varistors ZV 30V 10%
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Bourns Availability : 16784
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USD 0.1115
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MLV38 VDC30 VAC77 V-200 A1.2 J450 pF SMD/SMTReel , Cut Tape1206 (3216 METRIC)ZVHTPCB Mount47 V- 55 C+ 125 C 
10D820K


Varistors 65V 135V 2.5KA Through Hole RoHS
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Hongzhi Availability : 16640
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USD 0.0356
Multiples of: 10

   135 V          74 V ~ 90 V   
EZJ-Z1V171AA


Panasonic Varistors 170V MULTILAYER VARISTOR
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Panasonic Availability : 16611
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USD 0.0632
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 18 VDC       Smd/SmtTape And Reel0603 (1608 METRIC)Ezj - Z 170 V- 40 C+ 85 C 
ZV17K0805121NIR1HT


Varistors ZV 17V 10%
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Bourns Availability : 16532
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USD 0.0794
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MLV22 VDC17 VAC44 V-120 A0.4 J315 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)ZVHTPCB Mount27 V- 55 C+ 125 C 
VC1210K401R025


Varistors 31V 400A 1210 AEC-Q200
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Kemet Availability : 16502
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USD 0.1817
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Mlv31 VDC25 VAC65 V 400 A1.8 J1060 pF Smd/SmtCut Tape1210 (3225 METRIC)Vc 39 V- 55 C+ 125 CAec - Q200
Hot AVRH10C101KT4R7FA8


Varistors 0402 4.7pF 70VDC AEC-Q200
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TDK Availability : 16164
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USD 0.041
Multiples of: 10

MLV70 VDC-190 V-1 A30 mJ4.7 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)AVRPCB Mount100 V- 55 C+ 150 CAEC - Q200
VC121060J121DP


Varistors 42VAC 60VDC 1.5J 400pF 76 V 120V
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Kyocera AVX Availability : 11640
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USD 0.273
Multiples of: 1000

MLV60 VDC42 VAC120 V-250 A1.5 J400 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)VCPCB Mount76 V- 55 C+ 125 C 
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