PGSMAJ78CA M2G Circuit Protection

Current - Peak Pulse (10/1000µs):	3.2A
Supplier Device Package:	DO-214AC (SMA)
Package / Case:	DO-214AC, SMA
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Series:	PGSMAJ
Voltage - Clamping (Max) @ Ipp:	126V
Voltage - Breakdown (Min):	86.7V
Voltage - Reverse Standoff (Typ):	78V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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PGSMAJ78CA M2G Application Field and Working Principle

The PGSMAJ78CA M2G is a type of Transient Voltage Suppression (TVS) diode device from a series of products developed in the compound semiconductor domain with innovative technology. It is often used to protect itself and its connected circuits from damage when exposed to high transients and over-voltage. The device is composed of an assembly of diodes, capacitors and resistors that combined together work to regulate the voltage of a circuit.

Features

The PGSMAJ78CA M2G has several features that make it ideal for a wide range of applications. It has an operating temperature range from -40℃ to +125℃, a junction temperature range of 150℃, and a peak surge current capability of up to 48A (IEC 61000-4-5). The device also has a fast response time, reaching its maximum rated breakdown voltage in 100ns. Additionally, it has a low clamping voltage, an isolation rating of 6000V, and a high surge current capability of up to 4500A. In addition, the device is highly resistant to temperature, humidity, and electrical noise, making it suitable for a variety of applications.

Applications

The PGSMAJ78CA M2G is designed for a wide range of applications including:

• Communications equipment
• Sensors and Automotive electronics
• Audio/Video Systems
• Computer Power Supplies
• Lighting Systems

The device is primarily used in applications requiring over-voltage protection. It is often found in automotive electronics, computer systems, and consumer electronics, as well as other high-voltage equipment.

Working Principle

The PGSMAJ78CA M2G is composed of an assembly of diodes, resistors, and capacitors that work together to regulate the voltage of a circuit.When a steady state voltage is applied to the device, the diodes will conduct current, allowing current to flow through the circuit. However, when a transient or over-voltage is applied to the circuit, the diodes will become reversed biased, preventing current from flowing through the device.The capacitors help absorb transients and the resistors slow down the voltage rise to prevent damage to the device. Together, the assembly of components helps to protect the device from damage due to high transients or over-voltages.

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