SMAJ17A

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The SMAJ17A is a unidirectional bidirectional or bidirectional transient voltage suppressor diode commonly used in electrical circuits within a variety of electronic devices, from consumer electronic products to industrial systems. The main application for these diodes is to protect sensitive components against transient over-voltages, such as can occur during lightning discharges or from electrostatic discharge. The main working principle of this diode is to absorb transient voltage spikes by shunting them away from the circuitry, thus preventing damage to sensitive components without affecting the operation of the system.

The SMAJ17A diode is a low capacitance device which helps to reduce ESD sensitivity in equipment. It utilizes an integrated special-purpose diode and its intrinsic diode impedances while effectively suppressing transient voltage spikes. The SMAJ17A diode is designed to offer superior performance in surge current handling, voltage clamping, capacitance ratio and peak impulse current reserve. The diode is available with various power levels, including 150W to 350W, and in various enclosure sizes. It can be used in high-voltage systems and has a wide operating temperature range.

The diode works by operating only when overvoltages occur. When a voltage pulse or an over stimulation arises, the diode conducts, shunting the pulse from the sensitive components of the device and redirecting it away from the device to a low impedance leakage path, rendering the voltage harmless. The SMAJ17A diode works with very low capacitance ratios, meaning that very little power is dissipated even during extreme pulses like ESD and lightning surges. The low capacitance ratio also helps to reduce the attenuation obtained from a common mode spike.

The SMAJ17A has wide application in protecting various electronic equipment from transient voltage surges, such as those that arise during switching operations, lightning discharges, or when connecting power supplies. These diodes are also widely used in commercial & industrial establishments, consumer electronics, networking equipment and audio-visual equipment. They are capable of withstanding voltages up to 1500V, making them suitable for a large range of applications.

The SMAJ17A has many advantages compared to other transient voltage suppressor diodes, and features a built-in diode which helps to reduce ESD sensitivity. This diode is designed with a very low capacitance ratio, meaning that less power is dissipated during transient voltage spikes. Furthermore, the SMAJ17A diode is capable of withstanding high operating temperatures and has wide application in protecting electronic components from overloads. It also has a wide range of enclosure sizes and power levels that makes it an ideal choice for a variety of applications.

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