MXLP6KE15CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	21.2V
Supplier Device Package:	T-18
Package / Case:	T-18, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	28A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	14.3V
Voltage - Reverse Standoff (Typ):	12.8V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS – Diodes offer an effective solution for protecting sensitive electronic equipment from potential damage caused by the unintended flow of current or voltage. The protection afforded by these diodes is particularly advantageous in the presence of transient electrical discharges that can arise from lightning, electrostatic discharge (ESD), and other sources. The MXLP6KE15CA is an unidirectional, low capacitance, solid-state silicon protected TVS device which combines ultra-low capacitance with high peak pulse power protection of 15A. In this article, we explore the application field and working principle of the MXLP6KE15CA.

Application Field

The MXLP6KE15CA is designed for application in the I/O lines of technologies, such as LVDS, HDMI, and DisplayPort that are used in consumer electronic equipment, as well as in automotive applications. The device features ultra-low capacitance to minimize signal integrity, and the high peak pulse power protection limitation of 15A, provides added protection for devices against high-energy pulses such as lightning and ESD. As a result, the MXLP6KE15CA is ideal for providing ESD protection in environments where sensitive electronics are present.

Working Principle

The MXLP6KE15CA features a bidirectional protection arrangement that shields sensitive devices from both positive and negative transient voltages. This bidirectional protection consists of an inductor element connected between the D and S pins, along with a series diode. When negative voltage transients are applied to the D terminal, current momentarily flows through the inductor, which creates a counter-electromotive force (EMF) capable of stopping the propagation of the transient to the device under protection. With positive voltage transients, the series diode conducts to the “safe” D terminal, at the same time the stored energy of the inductance reverses the flow of the transient.In the event that a transient is applied to either the D or S pins, the diode element dissipates much of the current, thus preventing the transient from reaching the device, and the energy is dissipated in the Zener region. Should the transient voltage surpass the ESD protection limit of the device, an internal circuit’s breakdown voltage opens, and then dissipates the transient energy as heat within the resistive element.

Conclusion

In conclusion, the MXLP6KE15CA device is an excellent choice for providing effective protection against transient voltages in consumer electronics and automotive applications. The ultra-low capacitance feature of the device helps to minimize signal integrity, and the additional protection afforded by the bidirectional protection arrangement helps protect sensitive electronics from damage. Finally, the device’s high peak pulse power protection limitation of 15A also helps provide an extra layer of protection against high-energy pulses from external sources such as lightning or ESD.

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