V27ZA4P

Varistor Voltage (Typ):	27V
Package / Case:	Disc 14mm
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	11480pF @ 1MHz
Number of Circuits:	1
Energy:	5.0J
Current - Surge:	1kA
Varistor Voltage (Max):	29.7V
Series:	ZA
Varistor Voltage (Min):	24.3V
Maximum DC Volts:	22V
Maximum AC Volts:	17V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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V27ZA4P Application Field and Working Principle
TVS - Varistors, MOVs are commonly utilized to protect electrical and electronic circuits from excessive voltage and transient events. V27ZA4P is a varistor designed with an internal current limiter, which is mainly used in power systems. The main application for this device is to protect the equipment from transient surges.The working principle of the V27ZA4P varistor is based on the movement of charges from the heavily doped junction of the device. When a surge occurs, electrons from the n-type region of the device are attracted to the p-type region, resulting in a sudden increase in the current flow through the device. This increase in current flow results in a decrease of the voltage across the device, limiting the surge voltage across the protected circuit.The main features of the V27ZA4P include a wide operating temperature range, as well as low capacitance and inductance. Additionally, the device has excellent transient response characteristics and is capable of handling high-frequency signals. The surge withstand capability of the device is also quite impressive, offering protection from surges up to 1000V/s (positive) and -400V/s (negative).The V27ZA4P is ideal for applications where protection from large surge currents is needed. It is commonly used in line filter applications, such as the protection of computers, electronic meters, and other electronic equipment. It can also be used in lightning protection systems, surge suppression systems, and other power supply applications.Overall, the V27ZA4P is an ideal choice for applications where protection from surges and large currents is required. The varistor offers excellent transient response characteristics and is capable of handling high-frequency signals. Additionally, it offers a wide operating temperature range and low capacitance and inductance. The surge withstand capability is also impressive, making it an ideal choice for applications in power systems, line filter applications, power supply systems, and more.

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