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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(Ex. GST)(▲▼)		Enter Qty ProductVoltage Rating DCVoltage Rating ACClamping VoltageDiameterPeak Surge CurrentSurge Energy RatingCapacitanceOperating Temperature RangeTermination StylePackagingPackage / CaseSeriesMounting StyleVaristor VoltageMinimum Operating TemperatureMaximum Operating TemperatureQualification
  
                      
B72205S2141K101


EPCOS TDK Varistors Varistor S05K140E2
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TDK 4788
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AUD 0.1675
Multiples of: 1

Mov180 VDC140 VAC 5 mm800 A6.5 J95 pF- 40 C to + 85 CRadialBulk Advanced 220 VDC- 40 C+ 105 C 
AV20K2220122NIR1


Varistors AV AUTO SERIES 20V
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Bourns 4787
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AUD 0.6546
Multiples of: 1

MLV26 VDC20 VAC54 V-1200 A8 J7000 pF SMD/SMTReel , Cut Tape2220 (5750 METRIC)AVPCB Mount22 V- 55 C+ 125 CAEC - Q200
AMCV-0402-5R5-C101N-T


Varistors 100pF +/-30% 10-14Volt Ip=20A
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ABRACON 4786
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AUD 0.0925
Multiples of: 1

MLV5.5 VDC4 VAC23 V-20 A50 mJ100 pF SMD/SMTReel , Cut Tape0402 (1005 METRIC)AMCVPCB Mount14 V- 55 C+ 125 C 
V300LT10P


Varistors 300V 180pF
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Littelfuse 4782
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AUD 0.3038
Multiples of: 1

MOV405 VDC300 VAC775 V10 mm2.5 kA46 J180 pF RadialCut Tape LAPCB Mount517 V- 55 C+ 85 C 
FTR20D431K


Varistors 350V 710V 6.5KA Through Hole,P=10mm RoHS
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FTR 4781
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AUD 0.1836
Multiples of: 5

   710 V          387 V ~ 473 V   
ERZ-E10A621


Varistors 620volts 4500A 10mm Straight Leads
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Panasonic 4771
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AUD 0.1878
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 505 V385 V1.025 kV 4.5 kA126 J280 pF- 40 C to + 85 CThrough HoleBulk Erz - E10 620 V- 40 C+ 85 C 
TMOV20RP320M


Varistors THERMALLY PROTECTED VARISTOR 20MM
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Littelfuse 4762
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AUD 1.6746
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MOV561 VDC320 VAC840 V20 mm10 kA372 J750 pF RadialBulk iTMOVPCB Mount561 V- 55 C+ 85 C 
MOV-07D821KTR


Bourns Varistors 60pF 820volts 10%
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Bourns 4758
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AUD 0.1379
Multiples of: 1

MOV902 VDC510 VAC1.355 kV7 mm1.2 kA40 J60 pF RadialReel , Cut Tape MOV - 07DxxxKPCB Mount820 V- 40 C+ 85 C 
B72220S0400K101


Varistors 40volts 2000A
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TDK 4730
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AUD 0.5784
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Mov56 VDC40 VAC135 V20 mm2 kA37 J6750 pF RadialBulk Standardd 68 V- 40 C+ 105 C 
B72220S2301K101


Varistors 300V RMS 20MM RADIAL Varistor S20K300E2
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TDK 3807
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AUD 0.2472
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MOV385 VDC470 VAC775 V21.5 mm1 kA250 J780 pF RadialBulk B722xxS2PCB Mount470 V- 40 C+ 105 C 
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