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
  
                      
STE05D271K1BQ0FST0R0


Varistors 225V 270 (243~297) 475V 400A Through Hole,P=5mm 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.

Songtian Availability : 512
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USD 0.0231
Multiples of: 10

   475 V          243 V ~ 297 V   
VDR-14D391K


Varistors 320V 390 (351~429) 650V 4.5KA Through Hole 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.

VDR Availability : 512
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USD 0.0588
Multiples of: 5

   650 V          351 V ~ 429 V   
ERZ-E11A221


Panasonic Varistors ERZ-E 11mm 220V Bulk ZNR Surge Absorber
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Panasonic Availability : 512
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USD 0.1322
Multiples of: 1

Mov180 V140 V360 V13 mm6 kA78 J660 pF- 40 C to + 85 C Bulk Erz - E 220 V- 40 C+ 85 C 
Hot B72650M0300K072


EPCOS TDK Varistors 30V 100A 720pF Varistor CU3225K30G2
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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 : 512
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USD 0.286
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MLV38 VDC30 VAC93 V-100 A900 mJ720 pF SMD/SMTReel , Cut Tape CU StandardPCB Mount47 V- 40 C+ 85 C 
RL3220A271K


475V 225V 175V 243V~297V 3220 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.

Ruilongyuan Availability : 512
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USD 0.3374
Multiples of: 1

   475 V          243 V ~ 297 V   
VDRH20X680BSE


Varistors 680V 20MM
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Vishay Availability : 512
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USD 2.7287
Multiples of: 1

Mov895 VDC680 VAC1815 V23 mm10000 A620 J250 pF RadialBulk Vdrh 1100 V- 40 C+ 125 C 
B72205S0381K101


Varistors 385volts 400A
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TDK Availability : 511
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USD 0.0936
Multiples of: 1

   1.025 kV5 mm  40 pF- 40 C to + 85 C Bulk   620 V   
VDRUS20Z250BSE


Varistors 250V 130AA 20D Radial
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Vishay Availability : 511
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USD 1.6114
Multiples of: 1

Mov320 VDC250 VAC650 V23 mm13 kA350 J960 pF RadialBulk VdrusPcb Mount390 V- 40 C+ 125 C 
ERZ-V20D182


Varistors 1800V 6500A ZNR SUR ABSORB 20MM
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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.

Panasonic Availability : 510
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USD 2.9315
Multiples of: 1

MOV1.32 KVDC750 VAC2.97 kV20 mm7.5 kA1020 J250 pF Radial  VPCB Mount1.32 kV- 40 C+ 85 C 
TMOV25SP275M


Varistors 275V 20KA SQ 25MM PB FREE 25S
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Littelfuse Availability : 498
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USD 3.3894
Multiples of: 1

Mov350 VDC275 VAC700 V25 mm20 kA350 J1250 pF Solder TerminalBulk 25S 387 V- 55 C+ 85 C 
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