About Varistors

Walsin 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
  
                      
SR101K07DS40


Varistor: metal-oxide; THT; 60VAC; 85VDC; 110V; ±10%; 1200A; 6.5J
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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.

Walsin Availability : 0
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USD 0.098

Multiples of: 500

       730 pF      110 V   
SR390K14D


Varistor: metal-oxide; THT; 25VAC; 31VDC; 39V; ±10%; 1000A; 8.6J
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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.

Walsin Availability : 0
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USD 0.0994

Multiples of: 10

              39 V   
VZ1206M260AGT


Var MLV 20VAC/26VDC 100A 36.3V 1206 SMD T/R
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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.

Walsin Availability : 0
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USD 0.105

Multiples of: 3000

 20 V26 V54 VNot Required mm 0.5(Joule)490 pF  Tape And Reel   36.3 V   
SR431K10DT16


Varistor: metal-oxide; THT; 275VAC; 370VDC; 473V; ±10%; 2500A; 65J
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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.

Walsin Availability : 0
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USD 0.105

Multiples of: 500

       310 pF      473 V   
SR220K10D


Varistor: metal-oxide; THT; 14VAC; 18VDC; 22V; ±10%; 500A; 2.5J
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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.

Walsin Availability : 0
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USD 0.1074

Multiples of: 10

              22 V   
SR821K10DO30F


SR821K10DO30F
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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.

Walsin Availability : 0
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USD 0.1122

Multiples of: 1

                  
SR821K10DS


Var MOV 510VAC/675VDC 2500A 902V Radial
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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.

Walsin Availability : 0
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USD 0.1168

Multiples of: 1

 510 V675 V1350 V14 mm  110 pF      902 V   
SR470K10DT19


Var MOV 30VAC/38VDC 500A 52V Radial T/R
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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.

Walsin Availability : 0
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USD 0.123

Multiples of: 500

 30 V38 V93 V14 mm  2800 pF  Tape And Reel   52 V   
SR471K14DS40F


Var MOV 300VAC/385VDC 4500A 517V Radial Bulk
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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.

Walsin Availability : 0
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USD 0.136

Multiples of: 300

 300 V385 V775 V   570 pF  Bulk   517 V   
SR431K14DT19


Var MOV 275VAC/370VDC 4500A 473V Radial T/R
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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.

Walsin Availability : 0
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USD 0.1501

Multiples of: 500

 275 V370 V710 V17.5 mm  600 pF  Tape And Reel   473 V   
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