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.
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Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
271KD07-(YWT)


455V 225V 175V 243V~297V Plugin,P=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.

Yageo Availability : 540
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USD 0.0166

Multiples of: 20

   455 V          243 V ~ 297 V   
FNR-10K470


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.

Fenghua Advanced Availability : 538
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USD 0.0535

Multiples of: 5

                  
Hot V18MA1B


Varistors 18V 40A 550pF
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Littelfuse Availability : 538
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USD 0.3331

Multiples of: 1

Mov14 V10 V44 V3 mm40 A0.60 J550 pF- 55 C to + 85 CAxialBulk Ma  - 55 C+ 85 C 
7D471KJ


775V 42J 105pF@1kHz 385V 300V 423V~517V 1.75kA Radial Leaded,P=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.

SURGING Availability : 537
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USD 0.0169

Multiples of: 20

                  
TVZ25D391KBS


Var MOV 250VAC/330VDC 18000A 429V Pin Bulk
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World Products Availability : 533
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USD 0.9668

Multiples of: 10

          -       
30076


Varistors VAR MOV 275V 14MM LEADED
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Vicor Availability : 532
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USD 2.1042

Multiples of: 1

Mov369 VDC275 VAC710 V14 mm4.5 kA75 J450 pF- 55 C to + 85 CRadial -  387 VDC to 473 VDC- 55 C+ 85 C 
GMOV-14D450K


Varistors 45VRMS 24J 150V-CLAMP
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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.

Bourns Availability : 529
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USD 0.7758

Multiples of: 1

MOV56 VDC45 VAC-16.5 mm6 kA24 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
TND14V-561KB00AAA0


- Varistors ROHS
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Chemi-Con Availability : 528
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USD 0.2403

Multiples of: 1

                  
Z10D820


Varistors 82V 2500A 12.5mm
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Semitec Availability : 528
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USD 0.2932

Multiples of: 1

MOV85 VDC50 VAC595 V12.5 mm1.25 kA14 J130 pF RadialBulk Z10DPCB Mount82 V- 40 C+ 85 C 
AMCV-0805-180-C101N-T


Varistors 100pF +/-30% 22-28Volt Ip=20A
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ABRACON Availability : 527
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USD 0.0633

Multiples of: 1

MLV18 VDC12.7 VAC48 V-20 A50 mJ100 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)AMCVPCB Mount22 V to 28 V- 55 C+ 125 C 
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