PGSMAJ40CAHM2G Circuit Protection

Current - Peak Pulse (10/1000µs):	6.2A
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:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	400W
Series:	Automotive, AEC-Q101, PGSMAJ
Voltage - Clamping (Max) @ Ipp:	64.5V
Voltage - Breakdown (Min):	44.4V
Voltage - Reverse Standoff (Typ):	40V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active

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TVS - Diodes and the PGSMAJ40CAHM2G

TVS (Transient Voltage Suppression) diodes are an important part in the protection of electrical circuits from both power surges and high voltage transients. These devices are known for their high reliability and immunity to false triggering, and can often address multiple types of surges and transients. The PGSMAJ40CAHM2G is one of the most common types of TVS diodes.

Application of the PGSMAJ40CAHM2G

The PGSMAJ40CAHM2G is a multi-function TVS diode that is commonly used in many types of applications including automotive products, medical equipment, industrial products, telecommunications systems, and computers. Additionally, it can be used as a protection device in other types of circuits. The PGSMAJ40CAHM2G is optimal for both high efficiency and low power dissipation. It has a low reverse leakage; normal performance at high frequency; low capacitance; and superior clamping performance. Additionally, it offers reliable and fast response times as it is capable of handling high amplitude current spikes and transients. The PGSMAJ40CAHM2G is equipped with a surface mount package that allows for easy and convenient mounting onto circuit boards; making it the ideal TVS diode for use in tight spaces and restricted areas. Additionally, the diode can be used in a bipolar or unipolar configuration; allowing it to operate across both higher and lower speeds.

Working Principle of the PGSMAJ40CAHM2G

One of the most important characteristics of the PGSMAJ40CAHM2G is its ability to absorb and dissipate transients. This is accomplished through its shutdown mode, which causes the diode to “clamp” onto the line voltage, thereby providing a low impedance circuit path for fast power dissipation. This mode is triggered when the voltage spike on the line exceeds the device’s breakdown voltage, allowing it to divert the current away from vulnerable components and protect the circuit. The PGSMAJ40CAHM2G also has protection for when the voltage drops too low. Its on-state resistance becomes lower as the voltage drops, and as the voltage approaches the device’s breakdown voltage, the on-state resistance decreases further. This allows the device to absorb the lower amount of energy generated by the voltage drop. Additionally, the PGSMAJ40CAHM2G has reverse recovery and reverse conduction characteristics, ensuring that the current flowing through the device doesn’t become too high. This reduces the risk of damage to the device and its associated components.

Conclusion

The PGSMAJ40CAHM2G is one of the most versatile and reliable TVS diodes on the market. With its ability to handle both voltage transients and power surges, it is the ideal solution for a wide range of applications. Its low reverse leakage, superior clamping performance, low capacitance, and fast response times make it more than capable of handling even the most extreme conditions. Additionally, its surface mount package makes it highly suited for installation in tight places. All these features make the PGSMAJ40CAHM2G a great choice for those seeking a reliable and efficient TVS diode.

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