V660LU100BPX10 Circuit Protection

Varistor Voltage (Typ):	1.02kV
Package / Case:	Disc 20mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	400pF @ 1MHz
Number of Circuits:	1
Energy:	250J
Current - Surge:	6.5kA
Varistor Voltage (Max):	1.1kV
Series:	LU
Varistor Voltage (Min):	940V
Maximum DC Volts:	850V
Maximum AC Volts:	660V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Voltage Dependent Resistor (VDR)

Voltage Dependent Resistors, also known as TVS or Varistors, are non-linear active components that are commonly used in a variety of circuits for protection against transient voltage spikes. They work by providing a low resistance path for extremely high voltages, thus limiting the voltage across the circuit and protecting it from possible damage. The V660LU100BPX10 is an example of an VDR designed to protect circuits from extreme overvoltage conditions.

V660LU100BPX10 Application Fields

Voltage dependent resistors are used in a variety of applications, including industrial, medical, automotive, and consumer electronics. The V660LU100BPX10 is a highly versatile device, suitable for a wide variety of applications, including telecom, industrial, EMI protection, system level protection, circuit board protection, and automotive. It can be used to protect circuits against voltage spikes caused by lightning, overvoltage from motors, and other transients.

V660LU100BPX10 Working Principle

The working principle of all VDRs is based on their ability to absorb and dissipate energy due to a voltage change. When a surge occurs, the VDR acts like a bridge between the two poles of the circuit, providing a low resistance path for the current to flow. This reduces the voltage across the circuit, protecting it from damage.When a voltage surge occurs, the positive and negative terminals of the VDR become positive and negative, respectively. The device then starts to conduct current and dissipate energy, and the current is limited to the predetermined threshold set for the device. During this process, the VDR begins to heat up and the energy dissipated accelerates until the device reaches the desired temperature.Once the energy is dissipated, the VDR begins to cool down and the VDR’s resistance goes back to its initial state. This process is repeated each time the circuit is subjected to an overvoltage surge.

Conclusion

The V660LU100BPX10 is a highly versatile voltage dependent resistor designed to protect circuits against overvoltage. It is suitable for a variety of applications and is able to dissipate energy to protect the circuit from damage. Its working principle is based on its ability to absorb and dissipate energy during voltage surges, limiting the voltage across the circuit and protecting it from damage.

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