MXL5KP51CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	82.4V
Supplier Device Package:	Case 5A (DO-204AR)
Package / Case:	DO-204AR, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	61A
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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TVS - Diodes Application Field and Working Principle Overview
TVS (transient voltage suppressors) diodes, also known as transient voltage suppressors (TVS) or transient voltage suppressor devices (TVSD), are widely used in the electronics industry to protect circuits from high-voltage or over-voltage pulses. The MXL5KP51CA is an example for a diode specifically designed for such applications. This article will give an overview of the application field, as well as the working principle and technical parameters of this diode.
Application field of MXL5KP51CA
MXL5KP51CA diodes are widely used in the automotive and industrial markets. In automotive applications, they are commonly employed as overvoltage / undervoltage protection of automotive charging system, DC actuation circuits, as well as communications, GPS, and navigation systems. In industrial applications, they can be used to protect against destructive induced transients from welding machines, solenoids and motor controllers, and are widely used in lighting, instrumentation, safety and security applications.Working principle
The working principle of the MXL5KP51CA diode is to provide a low-impedance path for transient voltages, while absorbing much of the energy in the process. It features a reverse voltage standing wave ratio (VSWR) of at least 14, with an average current of 1mA. When the voltage across the diode exceeds the breakdown voltage (VBR) of the diode, electrical current will flow in the reverse direction, allowing for the safe release of the surplus energy while reducing the voltage across the diode.
Key technical parameters of MXL5KP51CA
MXL5KP51CA diodes are equipped with two main important features, they are the maximum rated voltage (VMR) and the maximum peak power. Maximum rated voltage represents the maximum voltage the diode can handle in its non-conductive state, beyond which avalanche breakdown occurs and the diode can no longer sustain operation. VMR for MXL5KP51CA is an impressive 500 VDC, while the maximum peak power is indicated with 30 Watts (5kA). Additionally, the diode has a leakage current (ILeak) of less than 0.5mA.
To conclude, the MXL5KP51CA diode is a reliable and efficient device for overvoltage protection, thanks to its high VMR and respectable maximum peak power. With its broad range of applications, it can be used in many automotive and industrial fields. Furthermore, its unique working principle ensures that it releases excessive energy while reducing the voltage across it.

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