VC121048G101DP Circuit Protection

Varistor Voltage (Typ):	62V
Package / Case:	1210 (3225 Metric)
Mounting Type:	Surface Mount, MLCV
Operating Temperature:	-55°C ~ 125°C (TA)
Capacitance @ Frequency:	500pF @ 1kHz
Number of Circuits:	1
Energy:	0.90J
Current - Surge:	220A
Varistor Voltage (Max):	68.2V
Series:	TransGuard®
Varistor Voltage (Min):	55.8V
Maximum DC Volts:	48V
Maximum AC Volts:	34V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Varistors, MOVs are essential components that are widely used in over-voltage protection of electronic equipment. An over-voltage occurs when an electrical circuit has a too high voltage flow. It weakens devices, and in some cases can be dangerous for human life and asset security. To prevent these over-voltages, it is very important to equip circuits with proper protective devices. The VC121048G101DP is one such device often used for over-voltage protection. It belongs to a range of surge protectors called Varistors and Metal Oxide Varistors (MOVs).The VC121048G101DP comprises two main components: a varistor and an MOV. The varistor (short for "variable resistor") is a voltage-dependent resistor that is used to limit the amount of current that flows in an overvoltage state. The MOV (short for "metal oxide varistor") is a voltage-dependent resistor that works together with the varistor to effectively suppress high-energy spikes. The VC121048G101DP combines both types of components into a single device.The working principle of the VC121048G101DP is based on its two component parts. The varistor is designed to protect against lower-energy surges, while the MOV is designed to protect against high-energy spikes. Together, both components form an effective barrier of protection for an electrical circuit.When an overvoltage occurs, the varistor acts as a major short-term current limiter. It does this by creating a resistance path within the circuit, thus limiting the amount of current that can flow through the circuit. The varistor also acts as a buffer against over-voltage or short-term spikes. The MOV, on the other hand, acts as an over-voltage protector. It does this by absorbing, then dissipating the excess voltage, thus preventing it from damaging the protected circuits. It also acts as a safety device, in which it trips and immediately disconnects the circuit from the power source, if the voltage reaches a dangerous level.The VC121048G101DP has a wide range of applications. It can be used in the protection of electrical circuits that deal with appliances, computers, consumer electronics, and telecom and power supplies. It can also be used for over-voltage protection in automotive, photovoltaic, and solar cell systems.In conclusion, the VC121048G101DP is an essential device used for overvoltage protection. It is designed to respond quickly to reductions in voltage and current, thus ensuring safe and reliable performance of electronic equipment. The VC121048G101DP combines both a varistor and an MOV to achieve a reliable, robust surge protection barrier, making it an ideal choice for applications where an effective over-voltage protection system is required.

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