About Varistors

KOA Speer 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
  
                      
NVD05UCD200


KOA Speer Varistors 200Volt 5mm
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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 749
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USD 0.0799
Multiples of: 1

Mov170 VDC130 VAC355 V5 mm600 A6 J-- 40 C to + 125 CRadialReel Nvd 200 VDC- 40 C+ 85 CAec - Q200
NV73A2JTTE18


Varistors 1812 18V
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KOA Speer 667
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USD 0.5913
Multiples of: 1

MOV14 VDC11 VAC35 V-500 A1.4 J- SMD/SMTReel , Cut Tape1812 (4532 METRIC)NV73PCB Mount18 V- 50 C+ 125 CAEC - Q200
NV73A2ATTE22


Varistors 0805 22V
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KOA Speer 596
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USD 0.2981
Multiples of: 1

MOV16.5 VDC12 VAC39 V-20 A50 mJ- SMD/SMTReel , Cut Tape0805 (2012 METRIC)NV73PCB Mount22 V- 40 C+ 85 CAEC - Q200
NVD14UCD033


Varistors 33Volt 14mm
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KOA Speer 586
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USD 0.2775
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Mov26 V20 V65 V14 mm1 kA7.9 J - 40 C to + 125 CRadialReel Nvd 33 V- 40 C+ 85 CAec - Q200
NVD20UCD820


Varistors 820Volt 20mm
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KOA Speer 460
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USD 0.9244
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Mov670 V510 V1355 V20 mm6.5 kA325 J - 40 C to + 125 CRadialReel Nvd 820 V- 40 C+ 85 CAec - Q200
NV73A2JTTE24


Varistors 1812 24V
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KOA Speer 365
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USD 0.5913
Multiples of: 1

MOV18 VDC14 VAC44 V-500 A1.7 J- SMD/SMTReel , Cut Tape1812 (4532 METRIC)NV73PCB Mount24 V- 50 C+ 125 CAEC - Q200
NV73A2JTTE56


Varistors 1812 56V
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KOA Speer 79
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USD 0.8081
Multiples of: 1

MOV45 VDC35 VAC90 V-500 A4.2 J- SMD/SMTReel , Cut Tape1812 (4532 METRIC)NV73PCB Mount56 V- 50 C+ 125 CAEC - Q200
NVD14UCD470


Varistors 470Volt 14mm
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KOA Speer 11
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USD 0.2872
Multiples of: 1

Mov385 V300 V775 V14 mm4.5 kA125 J - 40 C to + 125 CRadialReel Nvd 470 V- 40 C+ 85 CAec - Q200
NVD05UCD033


Varistors 33Volt 5mm
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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 10
Ships to you
between Tue. 14 May to Thu. 16 May Calender.png

USD 0.0799
Multiples of: 1

Mov26 V20 V73 V5 mm125 A0.8 J - 40 C to + 125 CRadialReel Nvd 33 V- 40 C+ 85 CAec - Q200
NVD07UCD047


Varistors 47Volt 7mm
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KOA Speer 0
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USD 0.0646
Multiples of: 1

Mov38 V30 V93 V7 mm250 A2.3 J - 40 C to + 125 CRadialReel Nvd 47 V- 40 C+ 85 CAec - Q200
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