5KP78E3/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
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

TVS - Diodes, also known as Transient Voltage Suppressors (TVSs), are electrical components providing transient overvoltage protection. A TVS diode utilizes the Zener effect for conductive bi-directional transient suppression and ESD protection. This article will focus on the 5KP78E3/TR13 model and discuss its application field and working principle.

Application Field

The 5KP78E3/TR13 series is a monolithic transient voltage suppressor (TVS) designed to protect ungrounded electronics during an ESD event. It is suitable for IEC61000-4-2 Level 4 ESD protection of USB 2.0 lines. Additionally, it is compatible with cell phones, video cameras, telephone equipment and fluorescent ballasts.

Working Principle

A TVS diode consists of a junction between P-type and N-type semiconductor material structured to provide a path for excess current. The 5KP78E3/TR13 model is a Zener diode with a typical junction capacitance of 1.25pF.The diode is structured to provide bi-directional protection against surges, ESD, and other transient events. When a transient event occurs, the voltage across the diode increases and an avalanche Zener breakdown occurs at the junction. This results in a current flow, which limits the magnitude of the transient. The purpose of the diode is to protect the equipment from potential damage due to transient voltage.

Conclusion

The 5KP78E3/TR13 is a monolithic transient voltage suppressor (TVS) designed to protect ungrounded electronics during an ESD event. It is suitable for IEC61000-4-2 Level 4 ESD protection of USB 2.0 lines and compatible with cell phones, video cameras, telephone equipment and fluorescent ballasts. The TVS works by providing bi-directional protection against surges, ESD, and other transient events by utilizing the Zener effect and a 1.25pF junction capacitance. This device can help protect electronic components from potential damage due to transient voltage or other electric events.

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