Current - Peak Pulse (10/1000µs):	--
Base Part Number:	TPD4S009
Supplier Device Package:	SC-70-6
Package / Case:	6-TSSOP, SC-88, SOT-363
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	--
Applications:	Ethernet, HDMI
Power Line Protection:	Yes
Power - Peak Pulse:	25W
Series:	--
Voltage - Clamping (Max) @ Ipp:	--
Voltage - Breakdown (Min):	9V
Voltage - Reverse Standoff (Typ):	5.5V (Max)
Unidirectional Channels:	4
Type:	Steering (Rail to Rail)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TPD4S009DCKRG4 Application Field and Working Principle

Introduction

TPD4S009DCKRG4 is a type of TVS – Diodes, which is designed to protect a wide range of electronic circuits and components from transients such as electrostatic discharges (ESD), lightning surges, electrical fast transients (EFT) and induced voltage spikes. It is an ultra-low capacitance diode array developed using advanced trench process technology.

Application Field of TPD4S009DCKRG4

TPD4S009DCKRG4 is widely used in various industries such as aerospace, automotive, consumer, industrial, medical, networking, etc. In particular, it can effectively protect circuit boards and electronic components in telecom systems, computers, laptops, such as power supplies, motherboards, digital or analog audio/video ports, USB ports, and similar sensitive electronic devices from a wide range of transient threats.It can also be applied to protect sensitive high speed digital strains such as HDMI, DP, MIPI, PCIe, USB3.1, DisplayPort, Lightning, etc.

Working Principle

TPD4S009DCKRG4 works by reacting quickly to overvoltage or overcurrent events and clamping them quickly to safe levels so as to protect circuits from damage.When a transient voltage is applied on the device, the TVS diode conducts the current and creates an avalanche breakdown, thus allowing the current to reach the threshold value. The current passes through the diode junction and provides a low impedance path towards ground. This ensures a safe voltage level to protect the connected circuits from damage.

Advantages and Disadvantages of TPD4S009DCKRG4

The main advantage of TPD4S009DCKRG4 is that it is able to protect circuits and components from transient events with high reliability and low let-through voltage. It also offers low capacitance, fast response time to reduce the connected system\'s signal degradation, as well as lead-free and RoHS compliant terminals for easy washing process.On the other hand, the main disadvantages of TPD4S009DCKRG4 are its high power consumption and limited life expectancy, which reduces the device\'s reliability.

Conclusion

TPD4S009DCKRG4 is a type of TVS – Diodes that is designed to protect electronic circuits and components from transient events with high reliability and low let-through voltage. It is widely used in various industries, such as aerospace, automotive, consumer, industrial, medical, networking, etc. The device offers many advantages, such as low capacitance, fast response time and RoHS compliant terminals, but it also has some drawbacks, such as high power consumption and limited life expectancy.

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