SMBJP6KE39A-TP

Current - Peak Pulse (10/1000µs):	11.3A
Base Part Number:	P6KE
Supplier Device Package:	DO-214AA (SMBJ)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Series:	SMBJ
Voltage - Clamping (Max) @ Ipp:	53.9V
Voltage - Breakdown (Min):	37.1V
Voltage - Reverse Standoff (Typ):	33.3V
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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TVS - Diodes: SMBJP6KE39A-TP Application Field and Working Principle

TVS Diodes are a type of transient voltage suppression (TVS) device that is used to protect sensitive electrical circuits from voltage transients generated by electrostatic discharge (ESD) or other voltage-related events. The SMBJP6KE39A-TP is a unidirectional (one-way) TVS diode that can be used to protect sensitive electronics against high-energy voltage spikes. This article will discuss the application field of the SMBJP6KE39A-TP and its working principle.

Application Field of SMBJP6KE39A-TP

The SMBJP6KE39A-TP is a unidirectional TVS diode that can be used to protect sensitive electronics such as data input/output ports and integrated circuits from high-energy voltage spikes. The device is designed for applications with high surge ratings such as consumer electronics, automotive, industrial, and telecom applications. The device has a working voltage rating of 6.0 V and a maximum peak pulse power rating of 600 watt per line. Additionally, the SMBJP6KE39A-TP has a wide operating temperature range of -55 to +150°C, enabling it to work in a wide variety of environments.

Working Principle of SMBJP6KE39A-TP

The SMBJP6KE39A-TP works by utilizing a Zener diode to clamp the peak voltage of voltage spikes to a predetermined safe level. The device is designed to operate as an overvoltage and overcurrent protection device, by absorbing transient voltages and limiting the peak current to a preset maximum.When a high-energy voltage spike occurs, the Zener diode is triggered. This causes the diode to conduct and provide a low-impedance current path for the spike. At the same time, the current limiting resistor prevents the current from rising to an unsafe level. The diode will then mitigate the voltage spike until it is below the maximum clamping voltage of the device. As the voltage spike dissipates, the diode will stop conducting and the current limiting resistor will no longer be active. Once the transient voltage event is over, the device will reset itself for the next surge event. This ensures that the sensitive electronic components that the SMBJP6KE39A-TP is providing protection for will remain operational.

Conclusion

The SMBJP6KE39A-TP is a unidirectional TVS diode that can be used to protect sensitive electronics from high-energy voltage spikes. The device is designed for applications with high surge ratings such as consumer electronics, automotive, industrial, and telecom applications. The device works by utilizing a Zener diode to clamp the peak voltage of voltage spikes to a predetermined safe level. With its wide operating temperature range it can be used in many different environments.

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