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
  
                      
FTR20D391K


650V 320V 250V 351V~429V Plugin 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.

FTR Availability : 747
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USD 0.1119
Multiples of: 5

   650 V          351 V ~ 429 V   
WLR-G07D271KPB6SPBB3.3-L


Varistors 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.

Tyohm Availability : 746
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USD 0.0037
Multiples of: 10

   455 V          270 V   
ZVR07D561KP6V7A0


356V 560V Plugin,P=7.5mm Varistors ROHS
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South HongMing Availability : 746
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USD 0.03
Multiples of: 10

   925 V          560 V   
B72205S2141K101


EPCOS TDK Varistors Varistor S05K140E2
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TDK Availability : 746
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USD 0.2737
Multiples of: 1

Mov180 VDC140 VAC 5 mm800 A6.5 J95 pF- 40 C to + 85 CRadialBulk Advanced 220 VDC- 40 C+ 105 C 
MOVGT10V260K


Varistors MOVGT - MOV & GDT Combination, 10 mm disc size, 260 V MCOV
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Eaton Availability : 746
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USD 0.4253
Multiples of: 1

MOV, GDT        AxialBulk MOVGT     
V20H130P


Varistors 130V 10000A 1900pF 20mm Radial
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Littelfuse Availability : 746
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USD 0.6796
Multiples of: 1

          Bulk       
V275LT40BP


Varistors 275V 900pF
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Littelfuse Availability : 745
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USD 0.4258
Multiples of: 1

MOV369 VDC275 VAC680 V20 mm6.5 kA140 J900 pF RadialReel , Cut Tape LAPCB Mount453 V- 55 C+ 85 C 
TMOV25SP140M


Varistors 140V 20KA SQ 25MM PB FREE 25S
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Littelfuse Availability : 745
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USD 3.4529
Multiples of: 1

MOV180 VDC140 VAC355 V25 mm20 kA210 J2500 pF RadialBulk TMOVPCB Mount242 V- 55 C+ 85 C 
20D821K


1.355kV 282J 525pF@1kHz 670V 510V 738V~902V 6.5kA Radial Leaded Varistors ROHS
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SURGING Availability : 744
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USD 0.1782
Multiples of: 5

                  
Hot VC120648D101DP


Varistors 34VAC 48VDC 0.4J 225pF 62 V 100V
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Kyocera AVX Availability : 744
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USD 0.194
Multiples of: 1

MLV48 VDC34 VAC100 V-100 A400 mJ225 pF SMD/SMTReel , Cut Tape1206 (3216 METRIC)VCPCB Mount62 V- 55 C+ 125 C 
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