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
  
                      
B72220Q0301K101


EPCOS TDK Varistors Varistor Q20K300
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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.

TDK Availability : 1184
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USD 0.7372
Multiples of: 1

   775 V20 mm  850 pF- 40 C to + 85 C Bulk   470 V   
NVD07UCD200


Varistors 200Volt 7mm
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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.

KOA Speer Availability : 1183
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USD 0.0787
Multiples of: 1

Mov170 V130 V340 V7 mm1.25 kA12.5 J - 40 C to + 125 CRadialReel Nvd 200 V- 40 C+ 85 CAec - Q200
B72520E0250K062


Varistors 1206 25Vrms 200A CT1206K25G
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TDK Availability : 1183
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USD 0.1562
Multiples of: 1

Mlv31 V25 V65 V 200 A1000 Mj550 pF- 55 C to + 150 CSmd/SmtReel1206 (3216 METRIC)E 39 V- 55 C+ 150 CAec - Q200
ERZ-VF2M201


Varistors 200V 600A VFM ZNR SURGE ABSORBER
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Panasonic Availability : 1182
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USD 0.6359
Multiples of: 1

 170 VDC130 VAC340 V  8 J - 40 C to + 85 CSmd/SmtCut Tape   200 V- 40 C+ 85 C 
B72220Q0151K101


Varistors 150VAC 10% 20mm EnergetiQ
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TDK Availability : 1182
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USD 0.671
Multiples of: 1

MOV200 VDC150 VAC395 V22.5 mm15 kA120 J1650 pF RadialBulk B72220QPCB Mount240 V- 40 C+ 105 C 
10D561K


Varistors 460V 925V 2.5KA Through Hole RoHS
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COV Availability : 1180
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USD 0.0328
Multiples of: 10

   925 V          504 V ~ 616 V   
VDR-07D621K


Varistors 505V 620 (558~682) 1025V 1.2KA Through Hole RoHS
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VDR Availability : 1178
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USD 0.021
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   1025 V          558 V ~ 682 V   
VC080530A650TP


Varistors 65VAC 30VDC 0.1J 90pF 41 V 67V
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Kyocera AVX Availability : 1178
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USD 0.1587
Multiples of: 1

MLV30 VDC21 VAC67 V-30 A100 mJ90 pF SMD/SMTReel , Cut Tape0805 (2012 METRIC)VCPCB Mount41 V- 55 C+ 125 C 
VDR-07D561K


Varistors 460V 920V 1.2KA Through Hole RoHS
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VDR Availability : 1174
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USD 0.019
Multiples of: 20

   920 V          560 (504 ~ 616)   
ERZ-E08A561


Panasonic Varistors ERZ-E 8mm 560V Bulk ZNR Surge Absorber
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Panasonic Availability : 1173
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USD 0.1148
Multiples of: 1

Mov450 V350 V930 V10.5 mm3.5 kA92 J150 pF- 40 C to + 85 C Bulk Erz - E 560 V- 40 C+ 85 C 
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