About Varistors

Tdk 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 B72220S0171K101


Varistors 225V 270 (243~297) 8KA Through Hole 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.

TDK Availability : 67
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USD 0.2383
Multiples of: 1

   455 V20 mm  1000 pF- 40 C to + 85 C Bulk   270 V   
B72260B0231K001


Varistors 230V RMS 60MM Varistor B60K230
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TDK Availability : 65
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USD 60.648
Multiples of: 1

MOV300 VDC230 VAC595 V60 mm70 kA730 J7900 pF SMD/SMTBulk HighEPCB Mount360 V- 40 C+ 105 C 
B72280B0681K001


Varistors 680V RMS 80MM Varistor B80K680
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TDK Availability : 65
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USD 144.0686
Multiples of: 1

MOV895 VDC680 VAC1815 V80 mm100 kA3.6 kJ5200 pF SMD/SMTBulk HighEPCB Mount1.1 kV- 40 C+ 105 C 
B72214S0110K101


Varistors 11V 18 (16.2~19.8) 1KA Through Hole RoHS
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TDK Availability : 64
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USD 0.1531
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   36 V14 mm  0.0121 uF- 40 C to + 85 C Bulk   18 V   
B72280B0321K001


EPCOS TDK Varistors 320V RMS 80MM Varistor B80K320
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TDK Availability : 64
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USD 128.88
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MOV420 VDC320 VAC840 V80 mm100 kA1.6 kJ0.011 uF SMD/SMTBulk HighEPCB Mount510 V- 40 C+ 105 C 
B72210U2381K502


Varistors 505V 558~682 1025V 3.5KA Through Hole,P=7.5mm 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.

TDK Availability : 62
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USD 0.1252
Multiples of: 1

MOV505 VDC385 V1.025 kV10 mm3.5 kA82 J230 pF RadialBulk B722xxUPCB Mount620 V- 40 C+ 125 C 
B72210S250K101


Varistors 25volts 500A
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TDK Availability : 55
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USD 0.1504
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          Bulk       
Hot B72207S0750K101


Varistors 75volts 1200A
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TDK Availability : 52
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USD 0.0374
Multiples of: 10

Mov100 VDC75 VAC200 V7 mm1.2 kA5.9 J430 pF RadialBulk Standardd 120 V- 40 C+ 105 C 
B72232B0751K001


Varistors 750V RMS 32MM Varistor B32K750
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TDK Availability : 52
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USD 20.7575
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 970 V750 V2 kV 25 kA800 J800 pF- 40 C to + 85 C Bulk Highe  - 40 C+ 105 C 
VAR-18107240M3P-FK


24V - Varistors ROHS
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TDK Availability : 48
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USD 0.0564
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   -          24 V   
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