PGSMAJ45CA E3G Circuit Protection

Current - Peak Pulse (10/1000µs):	5.5A
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:	--
Voltage - Clamping (Max) @ Ipp:	72.7V
Voltage - Breakdown (Min):	50V
Voltage - Reverse Standoff (Typ):	45V
Bidirectional Channels:	1
Type:	Zener
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes: PGSMAJ45CA E3G Application Field and Working Principle

TVS - Diodes, also known as transient-voltage-suppression diodes, are widely used in electronic circuits to suppress transient voltage and ensure protection of equipment and circuits. The PGSMAJ45CA E3G, in particular, is designed for overvoltage protection in various high-power systems and integrated circuits. This article will provide an overview of the PGSMAJ45CA E3G application field and working principle.

PGSMAJ45CA E3G Application Field

The PGSMAJ45CA E3G is designed for applications that require high-power and high-speed overvoltage protection. It is ideal for systems such as power supplies, AC/DC converters, inverters, motor control, and other power-supply circuits. It can also be used in automotive, telecom, and industrial power management circuits.The PGSMAJ45CA E3G has a wide operating temperature range of -55°C to +175°C, making it suitable for various environments and applications. It also has high surge capability, low leakage current and excellent clamping performance.

PGSMAJ45CA E3G Working Principle

The PGSMAJ45CA E3G is a silicon-avalanche based surge protection device. It contains a diode and a transistor in parallel. When the solar panel is exposed to an over-voltage surge, current will begin flowing through the diode. At the same time, the transistor will turn on and start to conduct the excess current, thereby releasing the over-voltage energy and protecting the system from harm.When the surge is removed, the transistor automatically turns off and the diode will stop conducting current. Thus, the PGSMAJ45CA E3G provides effective protection from over-voltage surges with low capacitive loading, extremely fast response time, and minimal leakage current.

Conclusion

The PGSMAJ45CA E3G is an ideal device for transient voltage suppression in high-power, high-speed systems. Its wide operating temperature range, high surge capability, low leakage current, and excellent clamping performance make it suitable for use in a variety of applications. Additionally, its transistor-diode structure ensures effective protection from over-voltage surges with quick response time and minimal leakage current.

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