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
  
                      
B72214P2171K102


Varistors 175VAC 575pF 10% 14mm Adv MP Compact
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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 : 5582
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USD 0.1201
Multiples of: 1

Mov225 VDC175 VAC455 V13 mm 80 J575 pF RadialBulk B72214pPcb Mount270 V- 40 C+ 105 C 
V625LA10P


Varistors 80pF
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Littelfuse Availability : 5563
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USD 0.3678
Multiples of: 1

MOV825 VDC625 VAC1.65 kV10 mm2.5 kA67 J80 pF RadialBulk LAPCB Mount1100 V- 55 C+ 85 C 
07D471K


Varistors 385V 810V 1.2KA Through Hole RoHS
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COV Availability : 5562
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USD 0.017
Multiples of: 20

   810 V              
B72207S400K111


EPCOS TDK Varistors 40vrms 7mm StdCrimp
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TDK Availability : 5561
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USD 0.1032
Multiples of: 1

Mov56 VDC40 VAC135 V7 mm250 A3 J900 pF- 40 C to + 85 CRadialReel Superior S25 68 VDC- 40 C+ 105 C 
20D621K


Varistors 505V 1025V 6.5KA Through Hole RoHS
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COV Availability : 5558
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USD 0.1154
Multiples of: 5

   1025 V          620 (558 ~ 682)   
B72214S0300K151


EPCOS TDK Varistors 30vrms 14mm StdCrmp,S14K30G5
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TDK Availability : 5551
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USD 0.2076
Multiples of: 1

Mov38 VDC30 VAC93 V14 mm1 kA9 J4950 pF- 40 C to + 85 CRadialReel B722 47 VDC- 40 C+ 105 C 
RL0603A180K


46V 14V 11V 16.8V~21V 0603 Varistors ROHS
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Ruilongyuan Availability : 5543
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USD 0.0469
Multiples of: 5

   46 V          16.8 V ~ 21 V   
RM10D470KD1IE100


93V 0.05W 38V 2100pF@1kHz 5.5J 30V 47V 250A Radial Leaded,P=7.5mm Varistors ROHS
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Dersonic Availability : 5543
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USD 0.0471
Multiples of: 10

                  
VC060303A100RP


Varistors 2.3VAC 3.3VDC 0.1J 1450pF 5 V 12V
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Kyocera AVX Availability : 5542
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USD 0.1817
Multiples of: 1

   12 V   1500 pF- 55 C to + 125 C Reel0603 (1608 METRIC)  5 V   
IsoM5-420-B-L2


Varistors IsoMOV 5KA 420Vrms Bulk In-Line
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Bourns Availability : 5530
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USD 0.7981
Multiples of: 1

MOV560 VDC420 VAC1.1 kV17 mm250 A-40 pF RadialBulk IsoM5Through Hole-- 40 C+ 125 C 
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