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
  
                      
STE14D151K1EQ0FQT0R0


Varistors 125V 150 (135~165) 250V 4.5KA 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.

Songtian Availability : 459
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USD 0.0994
Multiples of: 5

   250 V          135 V ~ 165 V   
B72232B151K1


Varistors 150V RMS 32MM Varistor B32K150
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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 : 459
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USD 20.9354
Multiples of: 1

 200 V150 V395 V32 mm25 kA240 J3700 pF- 40 C to + 85 C Bulk Highe  - 40 C+ 105 C 
VDR-14D112K


DIP 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.

VDR Availability : 458
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USD 0.1048
Multiples of: 5

              1.1 kV   
FNR-14K390B


Varistors 31V 77V 1KA 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.

Fenghua Advanced Availability : 458
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USD 0.1051
Multiples of: 5

   77 V              
S7580ZOV581RA1000


Varistor - Square Disc Epoxy Coating - 34mm Square Disk Diameter - Zinc Oxide - 580 VAC.
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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.

Maida Availability : 458
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USD 8.8753
Multiples of: 1

          -       
VZ20E511KBS-V


Var MOV 320VAC/420VDC 15000A 561V Radial Bulk
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World Products Availability : 457
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USD 0.6526
Multiples of: 20

          -       
CG0603MLA-5.5ME


TVS Varistor - 4VAC/5.5VDC - 30A - 18V - 1 x 0.8 x 0.8 mm - 0603 [1608 Metric] - ...
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Bourns Availability : 456
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USD 0.0246
Multiples of: 10

 5.5 VDC4 VAC19 V 30 A100 Mj300 pF- 55 C To + 125 CSolder PadReel0603 (1608 METRIC)Mla 8 V To 18 V- 55 C+ 125 C 
ZVR10D621KL8D7A0G


1.025kV 505V 385V 620V 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.

South HongMing Availability : 456
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USD 0.083
Multiples of: 5

   1.025 kV          620 V   
SFV10D821K


Plugin,P=7.5mm Varistors ROHS
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SETfuse Availability : 456
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USD 0.086
Multiples of: 5

                  
271KD10J


455V 0.4W 225V 370pF@1kHz 49J 175V 270V 3.5kA Radial Leaded Varistors ROHS
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Liown Availability : 455
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USD 0.0449
Multiples of: 10

   455 V          270 V   
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