About Varistors

United Chemicon 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
  
                      
TND14V-621KB00AAA0


Varistors
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United Chemicon 363
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USD 0.4725
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MOV505 VDC385 VAC1025 V14 mm5000 A136 J330 pF Radial  VPCB Mount620 V- 40 C+ 85 C 
TND05V-271KB00AAA0


Var MOV 175VAC/225VDC 800A 270V Radial Automotive
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United Chemicon 358
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USD 0.1704
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 175 V225 V475 V7.5 mm  90 pF      270 V   
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Varistors Varistor
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United Chemicon 352
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USD 0.5196
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MOV745 VDC550 VAC1500 V14 mm5000 A180 J230 pF Radial  V seriesPCB Mount910 V- 40 C+ 85 C 
TND20V-271KB00AAA0


Var MOV 175VAC/225VDC 10000A 270V Radial Automotive
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United Chemicon 324
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USD 0.5565
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MOV225 VDC175 VAC455 V20 mm10000 A135 J2000 pF Radial  VPCB Mount270 V- 40 C+ 85 C 
TND05V-471KB00AAA0


Varistors
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United Chemicon 97
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USD 0.1332
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MOV385 VDC300 VAC810 V5 mm800 A15 J60 pF Radial  VPCB Mount470 V- 40 C+ 85 C 
TND20V-911KB00AAA0


Varistors
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United Chemicon 97
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USD 0.6368
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MOV745 VDC550 VAC1500 V20 mm7500 A360 J620 pF Radial  VPCB Mount910 V- 40 C+ 85 C 
TND20V-471KB00AAA0


Var MOV 300VAC/385VDC 10000A 470V Radial Automotive
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United Chemicon 31
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USD 0.191
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MOV385 VDC300 VAC775 V20 mm10000 A250 J1200 pF Radial  VPCB Mount470 V- 40 C+ 85 C 
TNR12H220K


MOV - TNR - 12VAC/16VDC - 125°C - Radial - 10J - Case Fi14
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United Chemicon 11
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USD 0.4022
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TND05V-221KB00AAA0


Var MOV 140VAC/180VDC 800A 220V Thru-Hole Radial Automotive Bulk
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United Chemicon 1
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USD 0.1287
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MOV180 VDC140 VAC380 V5 mm800 A6.5 J110 pF Radial  VPCB Mount220 V- 40 C+ 85 C 
TND05V-330KB00AAA0


Var MOV 20VAC/26VDC 250A 33V Radial
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United Chemicon 0
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USD 0.1442
Multiples of: 1

 20 V26 V73 V7.5 mm         33 V   
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