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
  
                      
NV73A2ATTE47


Varistors 0805 47V
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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 7129
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USD 0.2981
Multiples of: 1

MOV38 VDC30 VAC86 V-25 A160 mJ- SMD/SMTReel , Cut Tape0805 (2012 METRIC)NV73PCB Mount47 V- 40 C+ 85 CAEC - Q200
NVD07UCD100


KOA Speer Varistors 100Volt 7mm
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KOA Speer 4892
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USD 0.0787
Multiples of: 1

Mov85 VDC60 VAC165 V7 mm1.25 kA6 J-- 40 C to + 125 CRadialReel Nvd 100 VDC- 40 C+ 85 CAec - Q200
NV73DL2ATTE47


KOA Speer Varistors 0805 47V
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KOA Speer 4675
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USD 0.4356
Multiples of: 1

MOV34 VDC30 VAC81 V-160 A300 mJ- SMD/SMTReel , Cut Tape0805 (2012 METRIC)NV73DLPCB Mount47 V- 40 C+ 125 CAEC - Q200
NVD14UCD620


KOA Speer Varistors 620Volt 14mm
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KOA Speer 4460
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USD 0.3659
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Mov505 VDC380 VAC1.025 kV14 mm4.5 kA136 J-- 40 C to + 125 CRadialReel Nvd 620 VDC- 40 C+ 85 CAec - Q200
NV73A2ETTE47


Varistors 1210 47V
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KOA Speer 3880
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USD 0.3792
Multiples of: 1

MOV38 VDC30 VAC77 V-400 A2 J- SMD/SMTReel , Cut Tape1210 (3225 METRIC)NV73PCB Mount47 V- 50 C+ 125 CAEC - Q200
NVD05UCD027


Varistors 27Volt 5mm
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KOA Speer 2642
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USD 0.0799
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Mov22 V17 V60 V5 mm125 A0.7 J - 40 C to + 125 CRadialReel Nvd 27 V- 40 C+ 85 CAec - Q200
NV73A2ATTE8.2


Varistors 0603 8.2V
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KOA Speer 2507
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USD 0.2981
Multiples of: 1

MOV6 VDC4.2 VAC18 V-20 A30 mJ- SMD/SMTReel , Cut Tape0805 (2012 METRIC)NV73PCB Mount8.2 V- 40 C+ 85 CAEC - Q200
NVD10UCD240


Varistors 240Volt 10mm
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KOA Speer 2492
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USD 0.2508
Multiples of: 1

Mov200 V150 V395 V10 mm2.5 kA30 J - 40 C to + 125 CRadialReel Nvd 240 V- 40 C+ 85 CAec - Q200
NV73A1JTTE8.2


Varistors 0603 8.2V
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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 2408
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USD 0.1538
Multiples of: 1

MOV6 VDC4.2 VAC21 V-30 A100 mJ- SMD/SMTReel , Cut Tape0603 (1608 METRIC)NV73PCB Mount8.2 V- 40 C+ 85 CAEC - Q200
NV73A2ATTE20


Varistors 0805 20V
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KOA Speer 2264
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USD 0.2981
Multiples of: 1

MOV15 VDC10.6 VAC33 V-20 A50 mJ- SMD/SMTReel , Cut Tape0805 (2012 METRIC)NV73PCB Mount20 V- 40 C+ 85 CAEC - Q200
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