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 V250LA10P


650V 351V~429V Plugin Varistors ROHS
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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.

Littelfuse Availability : 5626
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USD 0.0689
Multiples of: 1

Mov330 VDC250 VAC650 V10 mm2.5 kA40 J220 pF RadialBulk La 354 v to 429 V- 55 C+ 85 C 
B72530E0200K062


Varistors 1210 20Vrms 400A CT1210K20G
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TDK Availability : 5626
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USD 0.2323
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Mlv26 V20 V54 V 400 A1900 Mj1500 pF- 55 C to + 150 CSmd/SmtReel1210 (3225 METRIC)E 33 V- 55 C+ 150 CAec - Q200
VG181238U770DP


Varistors 30VAC 38VDC 4.2J 1300pF 47 V 77V
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Kyocera AVX Availability : 5626
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USD 0.5704
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Mlv38 VDC30 VAC77 V-800 A4.2 J1300 pF- 55 C to + 125 CSmd/SmtReel1812 (4532 METRIC)Vg 47 V- 55 C+ 125 C 
Hot ERZ-E14A102S1


Varistor: ceramics; THT; 625VAC; 825VDC; 1kV; 7.5kA
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Panasonic Availability : 5626
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USD 0.7121
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              1 kV   
AV14K2220122NIR1HT


Varistors AVHT AUTO SERIES 14V
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Bourns Availability : 5619
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USD 0.4485
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MLV16 VDC14 VAC40 V-1200 A5.8 J0.01 uF SMD/SMTReel , Cut Tape2220 (5750 METRIC)AVHTPCB Mount24 V- 55 C+ 150 CAEC - Q200
MOV-14D561K


Bourns Varistors 560volts 14mm
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Bourns Availability : 5613
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USD 0.1368
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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 
RM20D102KE1IE100


1.65kV 1W 342J 825V 400pF@1kHz 625V 1000V 4.5kA Radial Leaded,P=10mm Varistors ROHS
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Dersonic Availability : 5613
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USD 0.2101
Multiples of: 5

                  
VC1812K601R040


Varistors 56V 600A 1812 AEC-Q200
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Kemet Availability : 5593
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USD 0.345
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MLV56 VDC40 VAC110 V-600 A4.8 J1000 pF SMD/SMTReel , Cut Tape1812 (4732 METRIC)VCPCB Mount68 V- 55 C+ 125 CAEC - Q200
VDR-14D561K


Varistors 460V 920V 4.5KA Through Hole RoHS
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VDR Availability : 5591
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USD 0.0564
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   920 V          504 V ~ 616 V   
B72530U1450K062


Varistors 1210 59VDC 3500pF 1500A
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TDK Availability : 5590
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USD 0.422
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MLV59 VDC45 VAC47 V-1500 A4000 mJ3500 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)High SurgePCB Mount72 V- 55 C+ 125 C 
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