MXL1.5KE82CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	113V
Supplier Device Package:	CASE-1
Package / Case:	DO-201AA, DO-27, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	13.3A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	77.9V
Voltage - Reverse Standoff (Typ):	70.1V
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: MXL1.5KE82CA Application Field and Working Principle

The TVS (transient voltage suppressor) diode, by providing a low clamping voltage, is an essential component for the protection of sensitive electronic components from excessively high voltages, which can be caused by transient electrical disturbances such as static discharges, electromagnetic fields, and so on. The MXL1.5KE82CA is an advanced device from Littelfuse, designed to have low clamping voltage when compared to other similar products. This paper will discuss the application fields and the working principles.

Application Field

The MXL1.5KE82CA is primarily designed for use in automotive interiors, as it is designed to reliably protect against transient electromagnetic interference caused by high-voltage switching devices. Additionally, it can be used in industrial settings to protect the inputs of controller systems, and in commercial systems for the protection of microprocessors and other digital components. It is also suitable for a variety of applications in different industries, such as medical and consumer electronics.

Working Principle

The MXL1.5KE82CA is a bidirectional TVS diode, meaning it can clamp both positive and negative spike voltages. It is a three-terminal device with two anode and cathode connections and one gate connection. The gate connection is used to control the switching speed of the device, which is determined by the sensitivity of the application.When a transient occurs, the anode voltage rises above the zener voltage while the cathode remains at the same potential. This causes current to be driven from the anode to the cathode, and the device begins to switch on. As the current increases, the device begins to suppress voltages again and clamp the transients.

Conclusion

The MXL1.5KE82CA is an advanced TVS diode, designed for reliable protection against transient electromagnetic interference in a variety of applications, from automotive interiors to commercial and industrial systems. It has a low clamping voltage and is bidirectional, allowing it to protect against positive and negative voltages. Furthermore, its gate connection can be used to adjust the device’s switching speed in order to suit the sensitivity of the application.

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