MXL5KP40A

Voltage - Clamping (Max) @ Ipp:	64.5V
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):	78A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	44.4V
Voltage - Reverse Standoff (Typ):	40V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

MXL5KP40A is a transient voltage suppressor (TVS) diode. It is specially made to help protect any sensitive circuits from unwanted electrical disturbances caused by high-energy transient pulses. The device offers an over-voltage protection from 5Vdc to 40Vdc with a bipolar breakdown of 25Vdc @ 8A, 20Vdc @ 12A, and 1KW peak pulse power when operated with an 8/20μs waveform.

Application fields

MXL5KP40A can be used as a protector in various electronic devices that need to be protected from over-voltage, such as home appliances, industrial machinery and telecommunications equipment. The device can also be used in automotive applications, personal computers and office machinery, and mobile devices.MXL5KP40A can be used in automotive systems, such as automotive fuel and lighting systems, to protect them from voltage surge or transient pulses generated from an alternator, spark plug, or arcing contact. In addition, it can be used in communication systems, such as in telephone and Internet data circuits. It also can be used in power systems to protect the power supply from voltage surges, such as those caused by lightning storms.

Working principle

In operation, the MXL5KP40A helps to absorb and stabilize voltages when disturbances occur. When the voltage on the output exceeds a threshold level, the device will abruptly switch and start supplying current from its internal diode from the input to the output. This helps to suppress voltage spikes and provide over-voltage protection. When an over-voltage condition is present, the device will limit the peak voltage of the transient pulse to a safe level, thus protecting the sensitive circuits. The device also has current limiting capabilities, as it is designed to activate a fast avalanche breakdown of the diode inside the device to reduce the instantaneous voltage and save the underlying sensitive circuits.

Conclusion

In conclusion, the MXL5KP40A is an important device that helps safeguard sensitive circuits from over-voltage conditions. The device is suitable for use in a variety of applications, such as automotive systems, communication systems, and power systems. The device offers a fast avalanche breakdown of the internal diode to reduce the transient voltage spike to a safe level, helping to protect the sensitive circuits from damage.

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