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
  
                      
V180ZA10P


Varistors 115VAC 35J 300V-CL 4500A-PK
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Littelfuse Availability : 548
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USD 0.2478

Multiples of: 1

   300 V14 mm  1100 pF- 55 C to + 85 C Bulk   180 V   
GMOV-20D231K


Varistors 230VRMS 255J 620V-CLAMP
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Bourns Availability : 545
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USD 1.0056

Multiples of: 1

MOV300 VDC230 VAC-23 mm10 kA255 J4 pF RadialBulk GMOVPCB Mount-- 40 C+ 85 C 
ZVR10D561KKDV7A0J


925V 468V 356V 560V Plugin,P=7.5mm Varistors ROHS
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South HongMing Availability : 543
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USD 0.0585

Multiples of: 5

   925 V          560 V   
271KD20


Varistors MOV Disc 20mm 270V 6.5KA Bulk
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Yageo Availability : 543
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USD 0.1266

Multiples of: 5

MOV225 VDC175 VAC455 V20 mm6.5 kA127 J1500 pF RadialBulk 20DPCB Mount270 V- 40 C+ 105 C 
ERZ-VEAV271


Varistors ZNR TransientSurge Absorbers Type D
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Panasonic Availability : 543
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USD 0.2181

Multiples of: 1

MOV225 VDC175 VAC455 V10 mm3.5 kA49 J350 pF Radial  VPCB Mount270 V- 40 C+ 85 C 
TVZ25DN221KBS


Var MOV 140VAC/180VDC 18000A 242V Thru-Hole Pin Automotive Bulk
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World Products Availability : 543
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USD 2.125

Multiples of: 1

          -       
STE05D560K1BQ0FST0R0


Varistors 45V 123V 100A Through Hole,P=5mm RoHS
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Songtian Availability : 542
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USD 0.034

Multiples of: 10

   123 V          50 V ~ 62 V   
431KD10-TR


Varistors 430V 2.5KA MOV Disc 10mm
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Yageo Availability : 542
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USD 0.0556

Multiples of: 5

   710 V          387 V ~ 473 V   
V175LS20AP


Littelfuse Varistors 20MM Radial
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Littelfuse Availability : 542
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USD 0.4628

Multiples of: 1

Mov225 VDC175 VAC455 V20 mm6.5 kA 1400 pF- 55 C to + 85 CRadialReel La  - 55 C+ 85 C 
271KD07-(YWT)


455V 225V 175V 243V~297V Plugin,P=5mm Varistors ROHS
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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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Fenghua Advanced Availability : 538
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USD 0.0535

Multiples of: 5

                  
VC12LC18A500DP


Varistors 18V .1J 50V Static Guard
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Kyocera AVX Availability : 538
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USD 0.1705

Multiples of: 1

Mlv18 V14 V50 V 30 uA0.1 J200 pF- 55 C to + 125 CSmd/SmtReel1206 (3216 METRIC)Staticguard 25.5 V- 55 C+ 125 C 
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 
B72220S0140K101


Varistors 18V 22 (19.8~24.2) 2KA Through Hole RoHS
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TDK Availability : 537
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USD 0.363

Multiples of: 1

   43 V20 mm  0.019 uF- 40 C to + 85 C Bulk   22 V   
221KD14


Varistors 180V 220 (198~242) 360V 6.5KA Through Hole RoHS
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Yageo Availability : 536
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USD 0.0597

Multiples of: 5

MOV180 VDC140 VAC360 V14 mm4.5 kA60 J  RadialBulk 14DPCB Mount220 V- 40 C+ 105 C 
TVR10561KSC3FDCY


Plugin,P=7.5mm Varistors ROHS
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TKS Availability : 533
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USD 0.0493

Multiples of: 5

                  
TVZ25D391KBS


Var MOV 250VAC/330VDC 18000A 429V Pin Bulk
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World Products Availability : 533
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USD 0.9975

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 
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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