SMDJ45CA-HRA

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TVS - Diodes are semiconductor devices used to protect vulnerable electrical circuits against transient over-voltage events, such as those caused by lightning or by an ESD shock. This makes them an important part of any electrical system\'s design and makes them necessary components in many applications. The SMDJ45CA-HRA is one such TVS - Diode that can protect against over-voltage events in a variety of different applications. This article will explore the application field and working principle of the SMDJ45CA-HRA and give a general overview of the device.

Application Field

The main application for the SMDJ45CA-HRA is in automotive ESD protection. It is capable of protecting a variety of automobile circuits, from DC power supplies and electronic control units to CAN bus and other transmission lines. Additionally, it can be used to protect many kinds of industrial machine parts from ESD events, and it can also be incorporated into consumer electronics. It is a versatile component that can be used in many different types of applications.

Working Principle

The SMDJ45CA-HRA is a double-powder TVS diode, with two diodes connected in parallel. This design allows the diode to handle higher transient over-voltage events, as well as greater current levels than a single diode. The diode operates by limiting the voltage across it when a surge is detected. When a surge is detected, the diode starts to conduct current and prevent the voltage from increasing to dangerous levels. This keeps the circuit protected and prevents damage to the components.

The SMDJ45CA-HRA also features a low capacitance design, which reduces the amount of time the diode is in its conducting state and ensures that it does not disturb the normal circuit operation. This makes it ideal for use in sensitive circuits, where protection without interference is paramount. Additionally, the diode is built with an ultra-low holding voltage, allowing it to be used in circuits with a wide range of operating voltages.

Conclusion

The SMDJ45CA-HRA is an extremely versatile TVS - Diode that can be used to protect a wide range of circuits from ESD and other transient over-voltage events. It is capable of handling high voltages without interfering with normal circuit operation and is built with a low holding voltage for compatibility with circuits of all operating voltages. This makes it an ideal choice for many differing automotive and industrial applications, as well as consumer electronics.

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