MXLSMBJ120A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	193V
Supplier Device Package:	SMBJ (DO-214AA)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
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):	3.1A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	133V
Voltage - Reverse Standoff (Typ):	120V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

A TVS diode, also known as a transient voltage suppressor, is a highly specialized two-terminal semiconductor device designed to protect sensitive electronic equipment from the damaging effects of voltage transients. The MXLSMBJ120A is a type of TVS diode designed to protect against drastically high voltages. It is particularly effective when used as part of an ESD protection circuit, as it is able to absorb any electrical energy, and thus protect against overvoltage damage.

Application Fields

The MXLSMBJ120A is most often used in ESD-protected applications. It features a clamping voltage that offers reliable protection against electrostatic discharge and lightning strike damage. It is used in many modern electronics, such as mobile phones, laptops, tablets, and TV sets. Additionally, it is also commonly used in automotive applications, such as car engine controllers, airbag inflators, and antilock brake systems.

Working principle

The MXLSMBJ120A is able to absorb any electrical energy and prevent overvoltage damage. It works by clamping the voltage at its peak, thus protecting sensitive components and systems. When a voltage transient occurs, the diode quickly clamps the voltage and diverts it from the sensitive components, thus preventing any damage. It is also able to absorb any stored energy, thus helping to protect against overvoltage damage.

Conclusion

The MXLSMBJ120A is a specialized type of TVS diode designed to protect against drastically high voltages. It is most often used in ESD-protected applications, such as mobile phones, laptops, tablets, and TVs. Additionally, it is also commonly used in automotive applications, such as car engine controllers, airbag inflators, and antilock brake systems. It works by clamping the voltage at its peak, thus protecting sensitive components and systems. It is thus an effective and reliable protection circuit component.

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