P4KE540-E3/54

Current - Peak Pulse (10/1000µs):	520mA
Base Part Number:	P4KE
Supplier Device Package:	DO-204AL (DO-41)
Package / Case:	DO-204AL, DO-41, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Series:	TransZorb®
Voltage - Clamping (Max) @ Ipp:	772V
Voltage - Breakdown (Min):	486V
Voltage - Reverse Standoff (Typ):	437V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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• Introduction

The P4KE540-E3/54 TVS - Diode is a low cap, high speed gate drive device employed for short circuit protection in electronic circuits. This TVS diode is designed for application in power switching circuits, particularly those used in small, portable electronics. Its features include high-dissipation capability and excellent surge handling.

• Application Fields

The P4KE540-E3/54 TVS - Diode can protect power supply lines, AC inputs, input and output ports, RS-485 connections, and Small Signal Pins (SSP). This diode is used in several application fields such as automotive, communications, consumerapplication, industrial, and medical electronics. It is valuable in all types of switching applications, typically used to protect devices exposed to inductive load switching, such as relays, solenoids, and motors.

• Working Principle

The P4KE540-E3/54 TVS - Diode works on the same principle as an ordinary Zener diode, in which a reverse-biased Zener junction is employed to limit transient voltage surges. When the voltage difference between the anode and Cathode terminals exceeds the device zener voltage, the TVS diode starts conducting causing current to flow. This limits the voltage across the diode, thus preventing further increase of voltage. The P4KE540-E3/54 TVS - Diode features a ultra-fast switching time, allowing for circuit protection in the event of a transient voltage surge.

• Features and Benefits

The P4KE540-E3/54 TVS - Diode offers a number of features and benefits for its application in many different industry examples. Its high peak pulse current is capable of withstanding large voltage surges. It also features low clamping voltage, which eliminates the risk of long-term damage to the circuit. It has a fast response, high tolerance to ESD and burst pulses, low leakage current, and low capacitance. As an added convenience it also features a heatsink mounting option, allowing the user to mount the device on a heatsink to better dissipate the heat.

• Conclusion

The P4KE540-E3/54 TVS - Diode is an excellent choice for short circuit protection in sensitive electronic circuits, particularly in those of portable devices. It comes with several features and benefits, including fast switching, low response time, low capacitance, and a variety of different mounting options. It is an ideal solution for power switching and inductive load switching applications, and provides reliable protection against overcurrent, overvoltage, and EMS problems.

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