SMCJ45CA V7G

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TVS (Transient Voltage Suppressor) diodes are an important protection component used in a variety of applications to protect against transient overvoltages, caused by electrostatic discharges (ESD), electrical overstress (EOS), and lightning caused surges. The protection provided helps avoid damage to sensitive electronics as well as ensures a safe and reliable operation. The SMCJ45CA V7G diode from Diodes Incorporated is typically used in TVS applications to protect bidirectional interfaces that require robust ESD protection. These devices are suitable for consumer electronic products that require surge and ESD protection.

The SMCJ45CA V7G is a 5.0 × 20mm SMC package diode that provides a high rated power of 600W for a 10/1000µs pulse wave. The device is also RoHS compliant and UL certified. Furthermore, the SMCJ45CA V7G is designed with reverse lead mounting to ensure optimal forward conduction performance. It has low capacitance and reverse leakage current that makes it suitable for applications with higher data rates. The diode has a working voltage range of 6.0V to 170V and a stand-off voltage of 45V.

The metal-case outlet and the conformal coating provide superior mechanical strength. The SMCJ45CA V7G also has a very low operating temperature, -55°C to 150°C, which increases its reliability. The device is designed for applications that require reliable surge and ESD protection such as high-speed circuit boards, A/V equipment, PDAs, printers, and other consumer electronics.

The working principle of the SMCJ45CA V7G diode is based on avalanche breakdown. When a voltage is applied across the PN junction, the device starts conducting and the current increases exponentially. This current increase is known as the avalanche breakdown. The breakdown voltage is determined by the amount of doping and the width of the depletion layer. The device then rapidly switches the current to the intended load. This also ensures that the voltage across the protected load remains within the specified limits, thus providing protection against transient overvoltages.

In summary, the SMCJ45CA V7G is an avalanche diode optimized for providing surge and ESD protection for a variety of high-speed interfacing applications. It has a reliable working voltage range, high rated power of 600W and a low operating temperature of -55°C to 150°C. The device is RoHS compliant and UL certified. The metal-case outlet and the conformal coating protect it from mechanical damage. This device is suitable for consumer electronic products that require surge and ESD protection.

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