MXL1.5KE51CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	70.1V
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):	21.4A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	48.5V
Voltage - Reverse Standoff (Typ):	43.6V
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

The MXL1.5KE51CA is a unidirectional Transient Voltage Suppressor (TVS) device that provides ESD protection along with an integrated avalanche diode that works in compliance with protection standards such as the IEC 61000-4-2 standard. It is designed to protect sensitive electronic components from high speed voltage transients, such as electrostatic discharge (ESD) or electrical transients in switched mode power supplies. TVS Diodes are ideal for protecting the power supplies, telecommunications, safety systems and embedded systems that need to perform reliably.

Application Field

The MXL1.5KE51CA TVS diode can be used in a variety of applications, such as protection against ESD, electrical transients, and other transient overvoltage events. It can be used on the main AC power supply line as well as on the input/output line of a switching power supply. It can also be used on a wide range of high-speed digital and analog signals, including those in USB ports, as well as audio and video lines.

Working Principle

The MXL1.5KE51CA TVS diode works by connecting a zener diode in parallel between the power and ground lines, forming a protection circuit. The zener diode has a breakover voltage which is close to the peak voltage of a transient. When the transient voltage rises above the breakover voltage, the zener diode conducts, causing the current to be diverted to the TVS diode, diverting it away from the sensitive components.The integrated avalanche diode in the MXL1.5KE51CA is designed to activate during a voltage transient event, reducing the spread of the pulse and limiting the peak voltage. This reduces the amount of current flowing through the circuit and protects the sensitive components from damage.

Conclusion

The MXL1.5KE51CA TVS diode is a highly effective device for protecting sensitive components from electrical transients and electrostatic discharge. Its integrated avalanche diode enables it to reduce the spread of the pulse and limit the peak voltage, resulting in a more reliable and robust operation and a longer life for the protected circuits. Thanks to its resilience and low effective capacitance, it is ideal for use with high-speed digital and analog signals, ensuring consistent performance for the connected components.

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