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.
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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
  
                      
CVQ550K20BL1


Varistors CV+ 550 K 20 B L1
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Bourns 4297
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AUD 1.4118
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MOV745 VDC550 VAC1.5 kV22.5 mm12 kA560 J480 pF RadialBulk CVQThrough Hole910 V- 40 C+ 85 C 
V47ZA1PX1347


Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE
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Littelfuse 4290
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AUD 0.2462
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MOV38 VDC30 VAC93 V7 mm250 A100 mJ To 52 J1245 pF Through HoleBulk ZAPCB Mount51.7 V- 55 C+ 85 C 
MOV-14D121K


Varistors 120volts 14mm
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Bourns 4282
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AUD 0.1938
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MOV120 VDC75 VAC200 V14 mm4.5 kA32 J1700 pF RadialBulk MOV - 14DxxxKPCB Mount120 V- 40 C+ 85 C 
V48MLA1210NHAUTO


Varistors MLV SMF FOR AUTO 48V 1.2J 520pF
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Littelfuse 4276
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AUD 0.9828
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MLV48 VDC40 VAC105 V-250 A1.2 J400 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)MLA AUTOPCB Mount66.5 V- 55 C+ 125 CAEC - Q200
MLVB04V18C0R5


Multilayer Varistor ESD suppressor
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Eaton 4274
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AUD 0.1071
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Mlv18 V 250 V   0.5 pF- 40 C to + 85 CSolderReel0402 (1005 METRIC)Mlvb 90 v to 120 V- 40 C+ 85 C 
B72205S0140K111


EPCOS TDK Varistors Varistor S05K14G
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TDK 4268
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AUD 0.1763
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Mov18 VDC14 VAC43 V5 mm100 A0.4 J1450 pF- 40 C to + 85 CRadialReel B722 22 VDC- 40 C+ 105 C 
MOVS2825V180


Varistors 180 VAC, 475 V CLAMP, 400 PEAK
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Eaton 4268
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AUD 0.4077
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MOV560 VDC180 VAC475 V-1200 A-- SMD/SMTReel , Cut Tape2825MOVS2825SMD/SMT311 V- 40 C+ 85 C 
V14E300PL1T


Varistors RADIAL VARISTOR LEAD FREE
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Littelfuse 4268
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AUD 0.4265
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MOV385 VDC300 VAC775 V14 mm6 kA125 J400 pF RadialCut Tape UltraMOVPCB Mount517 V- 55 C+ 85 C 
IsoM3-175-B-L2


Varistors IsoMOV 3KA 175Vrms Bulk In-Line
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Bourns 4267
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AUD 0.9943
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MOV225 VDC175 VAC470 V13.2 mm250 A-30 pF RadialBulk IsoM3Through Hole-- 40 C+ 125 C 
ZV50K1210251NIR1HT


Varistors ZV 50V 10%
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Bourns 4266
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AUD 0.2176
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MLV65 VDC50 VAC135 V-250 A1.7 J470 pF SMD/SMTReel , Cut Tape1210 (3225 METRIC)ZVHTPCB Mount82 V- 55 C+ 125 C 
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