SMDJ90C

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The SMDJ90C is a transient voltage suppression diode (TVS) device designed to protect against transient overvoltage events, such as electrostatic discharge (ESD). These protection devices are commonly used in a variety of settings, including automotive, audio/video, communications, and computer systems.

The SMDJ90C is a unidirectional diode with a low peak pulse power of 350 watts. It is composed of a Zener diode, which provides the protection against transient overvoltage events, and a jumper, which allows the user to adjust the breakdown voltage. The peak pulse current rating for this device is 90A. This device offers very fast response times and a low clamping voltage to ensure reliable protection.

The SMDJ90C is typically used for automotive applications, such as in automotive airbag systems. It is also used to protect audio/video, communications, and computer systems from voltage transients. It is commonly used in applications that require reliable protection from ESD but do not require very high power ratings. The SMDJ90C is available in a variety of package sizes, including SOT-223, SOT-323, and SMD.

The principle of operation of the SMDJ90C is simple. When a transient overvoltage event occurs, the diode’s capacitor quickly charges up to the breakdown voltage. This breakdown voltage is determined by the jumper connected to the diode, and can be adjusted depending on the application. Once the voltage reaches the breakdown voltage, the diode turns on and allows the current to flow, thus protecting the circuit from the transient overvoltage event.

The SMDJ90C is an excellent choice for protecting sensitive electronic components from transient overvoltage events. It is fast, reliable, and easy to use. It is available in a variety of package sizes to accommodate any design. As such, it is widely used in automotive, audio/video, communications, and computer applications.

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