MASMLG58A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	93.6V
Supplier Device Package:	SMLG (DO-215AB)
Package / Case:	DO-215AB, SMC Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Current - Peak Pulse (10/1000µs):	32A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	64.4V
Voltage - Reverse Standoff (Typ):	58V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS – Diodes: MASMLG58A Application Field and Working Principle

TVS (Transient Voltage Suppression) diodes, also known as protective diodes, are a type of semiconductor device with high peak current capability. They are used to safeguard circuits against dangerous voltage spikes, such as those caused by ESD (Electrostatic Discharge) or lightning. The MASMLG58A is a TVS diode developed by Microchip Technology, which is used in various applications, such as automotive, industrial, consumer and medical systems. This article will discuss the application field and working principle of the MASMLG58A.

Application Field

The MASMLG58A is a low-capacitance, bidirectional, low-leakage transient voltage suppressor. It offers overvoltage protection for sensitive electronics, and is suitable for use in various fields.In the automotive industry, the MASMLG58A is used in automotive ignition systems to protect against overvoltage caused by ignition sparking. It can also be used to protect systems against voltage spikes caused by static electricity.In industrial systems, the MASMLG58A is used to protect sensitive components and systems against the voltage spikes that can occur due to the sudden switching of large electrical loads.In consumer and medical systems, the MASMLG58A is used to protect against voltage spikes caused by electrical surges, such as those caused by lightning strikes. It can also be used to protect sensitive electronic circuits from overvoltage.

Working Principle

The MASMLG58A is a solid-state device, which means that it is made up of many interconnected, dynamic components. The most important of these components are the rectifier diodes, bipolar junction transistors, and the thyristor. When operating correctly, the MASMLG58A will clamp the output voltage at a predetermined level. This level is determined by the reverse breakdown voltage of the diode, which can vary from device to device. When an overvoltage condition occurs, the diode will become reverse-biased, allowing current to pass through it in the forward direction. This current is then diverted to the thyristors, which act as the primary switching element in the device. The thyristors can then switch off the current, preventing further damage to the circuit.The bipolar junction transistors act as current amplifiers, allowing the MASMLG58A to operate over a wide range of voltages. This also allows the MASMLG58A to be used in applications where there are varying levels of input voltage, such as automotive and consumer electronics. The MASMLG58A has a low capacitance, which allows it to operate at high frequencies. This makes it suitable for use in high-frequency applications, such as those found in industrial and medical systems.

Conclusion

The MASMLG58A is a reliable and efficient TVS diode, suitable for a wide range of applications. It is capable of providing protection against a variety of overvoltage conditions, making it an ideal choice for use in automotive, industrial, consumer and medical systems. Its low capacitance, high frequency capability, and high peak current capability make it a reliable and efficient protection device.

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