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
  
                      
V12ZA1P


Varistors 6 VAC .6J 34V-CLAMP 100A-PK
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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 : 5035
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USD 0.2196
Multiples of: 1

MOV8 VDC6 VAC34 V7 mm100 A0.6 J2500 pF RadialBulk ZAPCB Mount16 V- 55 C+ 85 C 
RM10D221KD1IE1RT


360V 180V 140V 220V Plugin,P=7.5mm 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.

Dersonic Availability : 5034
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USD 0.0332
Multiples of: 10

   360 V          220 V   
V320LA10CP


Littelfuse Varistors 10MM Radial
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Littelfuse Availability : 5029
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USD 0.051
Multiples of: 1

Mov 320 VAC850 V10 mm3.5 kA  - 55 C to + 85 CRadialBulk C - Iii  - 55 C+ 85 C 
MOV-20D391KTR


Varistors 390volts 20mm
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Bourns Availability : 5029
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USD 0.3093
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MOV390 VDC250 VAC650 V20 mm4.5 kA100 J510 pF RadialReel , Cut Tape MOV - 20DxxxKPCB Mount390 V- 40 C+ 85 C 
B72214S0251K551


EPCOS TDK Varistors Varistor S14K250G5S5
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TDK Availability : 5028
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USD 0.2112
Multiples of: 1

Mov320 VDC250 VAC650 V14 mm4.5 kA65 J490 pF- 40 C to + 85 CRadialReel B722 390 VDC- 40 C+ 105 C 
B72207S0500K211


EPCOS TDK Varistors 50vrms 7mm S2 Crimp Varistor S07K50GS2
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TDK Availability : 5014
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USD 0.1
Multiples of: 1

Mov65 VDC50 VAC135 V7 mm1.2 kA4.2 J530 pF- 40 C to + 85 CRadialReel B722 82 VDC- 40 C+ 105 C 
V47ZT7P


Varistors 30V 1000A 4500pF
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Littelfuse Availability : 5012
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USD 0.2257
Multiples of: 1

MOV38 VDC30 VAC93 V14 mm1 kA8.8 J4500 pF RadialReel , Cut Tape ZAPCB Mount51.7 V- 55 C+ 85 C 
B72210S0200K101


Varistors 20VAC 10% 10mm StandarD
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TDK Availability : 5005
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USD 0.1253
Multiples of: 1

   65 V10 mm  3650 pF- 40 C to + 85 C Bulk   33 V   
RM14D511KD14E100


845V 0.6W 121J 390pF@1kHz 415V 320V 510V 2.5kA Radial Leaded,P=7.5mm Varistors ROHS
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Dersonic Availability : 4982
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USD 0.066
Multiples of: 5

                  
B72660M0950K072


EPCOS TDK Varistors 95V 1200A 260pF Varistor CU4032K95G2
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TDK Availability : 4974
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USD 0.4775
Multiples of: 1

MLV125 VDC95 VAC250 V-1200 A7.6 J260 pF SMD/SMTBlister Pack CU StandardPCB Mount150 V- 40 C+ 85 C 
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