5KP78CE3/TR13

Current - Peak Pulse (10/1000µs):	36A
Base Part Number:	5KP78
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Series:	--
Voltage - Clamping (Max) @ Ipp:	139V
Voltage - Breakdown (Min):	86.7V
Voltage - Reverse Standoff (Typ):	78V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes: 5KP78CE3/TR13 Application Field and Working Principle

TVS diodes, also known as Transient Voltage Suppressors, are an important component in various consumer and commercial electronics. These devices are designed to protect devices from transient (i.e., quick) electrical over-voltages (for example, electrostatic discharge, ESD, lightning, etc.). The 5KP78CE3/TR13 TVS diode is specifically designed to protect high-current internal circuits from over-voltages.

Application

The 5KP78CE3/TR13 is a rectifier bridge, primarily used in applications requiring high-voltage and high-current noise protection. This includes control electronics for automotive, industrial, communication, medical, and consumer applications. It can also be used to protect circuits that may be exposed to radio frequency or lightning interference.

Work Principle

The 5KP78CE3/TR13 is designed to function using a reverse biased capacitor to store energy and protect against over-voltages. When an over-voltage is detected, the capacitor will discharge itself, clamping the voltage to a safe level. This is done by the Gate controlling the voltage of the PN junction to protect against over-voltages. The other protection comes from the reverse clamping effect, which will reduce the output voltage to a safe level.Since the PN junction has a negative temperature coefficient, the reverse voltage will decrease as the temperature increases, thus providing additional protection against over-voltages. The diode also includes a protective resistor, which helps to limit the inrush current when the diode is initially triggered.

Conclusion

The 5KP78CE3/TR13 diode is designed to provide safe and effective over-voltage protection. Its reverse biased capacitor, PN junction, and protective resistor combination provide the perfect solution for protecting internal circuits from damage due to over-voltages. This versatile diode can be used in many different application, including automotive, industrial, communications, medical, and consumer applications.

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