MXLSMLJ51CAE3 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	82.4V
Supplier Device Package:	DO-214AB
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Current - Peak Pulse (10/1000µs):	36.4A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	56.7V
Voltage - Reverse Standoff (Typ):	51V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

TVS (Transient Voltage Suppressor) diodes are widely used in various applications for protection against power transients or surges in electro-mechanical and electronic devices. The MXLSMLJ51CAE3 is a low-capacitance (low-cap) surface mount TVS diode designed to protect sensitive electronics against electro-static discharge (ESD) and other transients. This device features a bidirectional configuration with a working voltage (Vwm) of 5.5V. It is used in a wide range of applications, including computer and consumer electronics, automotive, industrial, and telecommunications applications.

Application Field and Working Principle

The MXLSMLJ51CAE3 is primarily used in applications where sensitive electronic components are vulnerable to electro-static discharge (ESD) and other transients. It offers an ideal solution to protect high-speed data lines, power supplies and battery systems from ESD and other transient over-voltages. It is typically used in ESD protection applications such as USB Type-A connectors, USB Type-C connectors, and HDMI connectors.The main function of the MXLSMLJ51CAE3 is to prevent spikes in voltage or electrical transients from damaging sensitive components. It works by responding to sudden changes in voltage and rapidly discharging any excess current into a target device. It has a very low clamping voltage and fast response time which allows it to protect sensitive components from any transient over-voltage. The MXLSMLJ51CAE3 also has a very low capacitance, allowing it to be used in high frequency applications and in applications with increasingly higher data rates. It has a low clamping voltage of 5.5V and a breakdown voltage of 7V. It also has a low effective capacitance (CAV) of 1.6pF which minimizes signal attenuation and significantly improves signal integrity.

Advantages and Limitations

The MXLSMLJ51CAE3 offers several advantages over other TVS diodes. It has a very low clamping voltage and fast response time which makes it an ideal solution for protecting sensitive components from over-voltages. It has a low capacitance which allows it to be used in applications with increasingly higher data rates. It also has a low breakdown voltage of 7V which makes it suitable for use in systems that require high voltage protection. However, the MXLSMLJ51CAE3 also has some limitations which should be considered when selecting it for a specific application. It is not designed for high current applications and should not be used in applications where large amounts of current need to be discharged. Additionally, it has a limited surge current capability of 8A, which should be taken into consideration when selecting it for an application.

Conclusion

The MXLSMLJ51CAE3 is an ideal solution for protecting sensitive electronics from ESD and other transients. It has a low clamping voltage of 5.5V and a breakdown voltage of 7V. Additionally, it has a very low effective capacitance of 1.6pF which makes it suitable for use in high frequency applications. It also has a limited surge current capability of 8A which should be taken into consideration when selecting it for an application.

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