SMCJ5639A/TR13

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TVS Diodes are devices that are used to limit damage, voltage spikes, and other transient electrical problems. SMCJ5639A/TR13 is a device in this class that is mainly used to protect sensitive electronic equipment from transients. This article will discuss the application field of SMCJ5639A/TR13 and its working principle.

Application Field of SMCJ5639A/TR13

The SMCJ5639A/TR13 is a bi-directional transient voltage suppressor (TVS) diode which is commonly used to protect electronic components such as microprocessors, amplifiers, and other high-performance circuits. The device can be used in a variety of applications including:

• Automotive Electronics
• Avionics
• Network communications
• Medical equipment
• Consumer electronics
• Industrial electronics

The device is widely used in many different fields due to its high surge capability and robust construction. It offers protection from thrifty voltages and transient spikes up to 1500W at least 8/20 μs and has a working temperature range of -55 °C to 150 °C.

Working Principle of SMCJ5639A/TR13

The SMCJ5639A/TR13 consists of two diode arrays that act like a shock absorber for overvoltages. The two components of the device are the PN junction diode and the Zener Diode. The PN junction diode acts like an avalanche diode and is normally non-conducting except when a transient voltage of greater than 1000V is applied. The Zener Diode is the second component of the TVS diode and it helps to regulate the high voltage that the PN junction diode allows through. When the PN junction diode detects a surge or transient voltage, it immediately conducts which redirects the transient to the Zener Diode which then cuts off any further surges. This process helps protect the circuits from damage.

The SMCJ5639A/TR13 is designed with a forward conducting diode structure that is able to handle high surge current of up to 24A. This device also has a low capacitance of 13pF which is ideal for protecting equipment from high speed transients.

Conclusion

The SMCJ5639A/TR13 is a bi-directional transient voltage suppressor (TVS) diode that is widely used in a variety of fields to provide surge protection to sensitive electronic equipment. The device works by utilizing a PN junction diode and Zener Diode to detect and redirect high voltage transients away from the protected equipment. The SMCJ5639A/TR13 is able to handle a maximum surge current of up to 24A and has a low capacitance making it ideal for protecting equipment from high speed transients.

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