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
  
                      
V180ZA1P


Varistors 115VAC 10J 300V-CL 1200A-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 : 4171
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USD 0.1598
Multiples of: 1

   300 V7 mm  200 pF- 55 C to + 85 C Bulk   180 V   
CV275K20BL1


Varistors CV 275 K 20 B L1
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Bourns Availability : 4171
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USD 0.7073
Multiples of: 1

MOV350 VDC275 VAC710 V22.5 mm6.5 kA304 J900 pF Radial  CVThrough Hole430 V- 40 C+ 85 C 
B72205S0250K111


Varistors Varistor S05K25G
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TDK Availability : 4169
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USD 0.125
Multiples of: 1

Mov31 VDC25 VAC77 V5 mm100 A700 Mj850 pF RadialCut Tape Standardd 39 VDC- 40 C+ 105 C 
RM10D271KD14ECW0


Varistors 225V 455V 2.5KA Through Hole,P=7.5mm RoHS
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Dersonic Availability : 4168
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USD 0.0355
Multiples of: 10

   455 V          -   
V275LA4PX2855


Varistors RADIAL VARISTOR 7MM ROHS / LEAD FREE
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Littelfuse Availability : 4164
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USD 0.1912
Multiples of: 1

MOV369 VDC275 VAC710 V7 mm1.2 kA23 J80 pF RadialBulk LAPCB Mount473 V- 55 C+ 85 C 
FTR14D471KJ


Varistors 385V 775V 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.

FTR Availability : 4161
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USD 0.0587
Multiples of: 5

   775 V          423 V ~ 517 V   
V33ZA05P


Littelfuse Varistors 20V 100A 500pF
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Littelfuse Availability : 4156
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USD 0.175
Multiples of: 1

Mov26 V20 V67 V5 mm100 A0.3 J250 pF- 55 C to + 85 CRadialBulk Za  - 55 C+ 85 C 
V3.5MLA0805NHAUTO


Varistors 3.5V 2530pF 0805 AEC-Q200 MLA AUTO
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Littelfuse Availability : 4153
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USD 0.1921
Multiples of: 1

MLV3.5 VDC2.5 VAC13 V-120 A300 mJ176 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)MLA AUTOPCB Mount7 V- 55 C+ 125 CAEC - Q200
JVR07N391K


Varistor: metal-oxide; THT; 250VAC; 320VDC; 390V; ±10%; 1.2kA; 30J
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Joyin Availability : 4152
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USD 0.0362
Multiples of: 1

              390 V   
V25S150P


Varistors 150VAC 300J 390V CLAMP 22KAPK 25MM
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Littelfuse Availability : 4147
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USD 1.426
Multiples of: 1

MOV200 VDC150 VAC390 V25 mm22 kA300 J3200 pF RadialBulk UltraMOV25SPCB Mount264 V- 55 C+ 85 C 
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