SMCJ17

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SMCJ17 is a highly efficient three-pin surface-mount transient voltage suppressor (TVS) diode with an industry-standard size of 2.5x2.6 mm. This device is designed to provide suppression of transients achieved with bi-directional working principles. Its primary purpose is to protect equipment from lightning-induced transients, electrostatic discharges (ESD) and other inductive charging events. It also serves as a direct replacement for traditional, much less efficient, metal oxide varistors (MOVs).

SMCJ17 has a reverse stand-off voltage of 17 V and a typical peak power of 1400 watts. This makes it particularly useful for systems working in the range of up to 400 volts. Thanks to its lowcapacitance and high maximum clamping voltage, SMCJ17 is ideal for various circuit protection applications such as Ethernet, digital communication systems, consumer electronics, automotive, military, and industrial electronics.

SMCJ17 offers fast response times, allowing it to react quickly to sudden transients. Its ultra-low capacitance ensures low insertion loss, avoiding distortion in high-speed signal transmission. It also offers high surge capability and excellent ESD protection, which makes it a great choice for applications where suppression performance is critical such as automotive, telecom, and military.

The working principle of SMCJ17 is based on a diode junction that functions as a two-way valve, controlling the flow of current that exceeds its rated peak power. When a transient voltage is applied, the diode junction becomes forward biased and current flows through the device. The voltage across its terminals increases until it reaches the peak clamping voltage and the current is automatically diverted away from the protected components.

Once the transient event has ended, the diode junction returns to its open state and normal operation is resumed. SMCJ17 is designed to protect the circuit from both over-voltage and over-current conditions. The diode junction is bidirectional, meaning it is capable of operating in both directions. This makes it suitable for a wide range of applications.

The low capacitance of SMCJ17 also helps to minimize insertion losses across signal lines, improving signal integrity and minimizing distortion. This makes SMCJ17 an ideal choice for applications where signal integrity is of paramount importance. It also offers excellent surge capability making it highly effective in harsh environments.

SMCJ17 is a versatile surface-mount TVS diode suitable for a wide range of applications where transient voltage protection is required. Its fast response time and excellent surge capability makes it perfect for protecting circuits from transient voltage events. Its low capacitance ensures minimal insertion loss while its bidirectional working principle make it suitable for a variety of circuit protection applications.

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