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
  
                      
NVD10UCD150


Varistors 150Volt 10mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.3862
Multiples of: 1

Mov125 V95 V250 V10 mm2.5 kA18 J - 40 C to + 125 CRadialReel Nvd 150 V- 40 C+ 85 CAec - Q200
NVD10UCD270


Varistors 270Volt 10mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.3862
Multiples of: 1

Mov225 V175 V455 V10 mm2.5 kA35 J - 40 C to + 125 CRadialReel Nvd 270 V- 40 C+ 85 CAec - Q200
NVD10UCD120


Varistors 120Volt 10mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.3862
Multiples of: 1

Mov100 V75 V200 V10 mm2.5 kA14.5 J - 40 C to + 125 CRadialReel Nvd 120 V- 40 C+ 85 CAec - Q200
NVD10UCD056


Varistors 56Volt 10mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.3862
Multiples of: 1

Mov45 V35 V110 V10 mm500 A6.7 J - 40 C to + 125 CRadialReel Nvd 56 V- 40 C+ 85 CAec - Q200
NVD14UCD100


Varistors 100Volt 14mm
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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 0
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AUD 0.4114
Multiples of: 1

Mov85 V60 V165 V14 mm5 kA18 J - 40 C to + 125 CRadialReel Nvd 100 V- 40 C+ 85 CAec - Q200
NVD14UCD033


Varistors 33Volt 14mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.418
Multiples of: 4000

Mov26 V20 V65 V14 mm1 kA7.9 J - 40 C to + 125 CRadialReel Nvd 33 V- 40 C+ 85 CAec - Q200
NVD14UCD220


Varistors 220Volt 14mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.4272
Multiples of: 1

Mov180 V140 V360 V14 mm5 kA55 J - 40 C to + 125 CRadialReel Nvd 220 V- 40 C+ 85 CAec - Q200
NVD14UCD270


KOA Speer Varistors 270Volt 14mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.4272
Multiples of: 1

Mov225 VDC175 VAC455 V14 mm5 kA70 J-- 40 C to + 125 CRadialReel Nvd 270 VDC- 40 C+ 85 CAec - Q200
NVD14UCD027


Varistors 27Volt 14mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.4272
Multiples of: 1

Mov22 V17 V53 V14 mm1 kA6.5 J - 40 C to + 125 CRadialReel Nvd 27 V- 40 C+ 85 CAec - Q200
NVD14UCD120


Varistors 120Volt 14mm
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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 0
6 to 16 Weeks Calender.png

AUD 0.4272
Multiples of: 1

Mov100 V75 V200 V14 mm5 kA30 J - 40 C to + 125 CRadialReel Nvd 120 V- 40 C+ 85 CAec - Q200
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