1N8159

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TVS – Diodes

TVS, or Transient Voltage Suppressor diodes, are specialty diodes developed for the purpose of providing protection from pulse transients on the electrical circuit. Invented in the late 1950s, TVS diodes have become an essential component of the modern electrical system in a variety of applications.

The 1N8159 is a widely used TVS diode specifically designed for the purpose of suppression of transients and switching of electrical signals. It features an LED display, low electrical cap and is available in a variety of packages, making it a convenient choice for many circuits. It is also widely used in combination with other components, such as capacitors and resistors, to further optimize the protection it provides.

Application Field and Working Principle of the 1N8159

The 1N8159 is primarily used to protect circuits from high voltage transients that may be found in automotive, industrial and communication systems. This type of diode is able to handle voltage spikes of up to 600V in the positive direction and 400V in the negative direction. It is also capable of handling peak current surges of up to 2.5A, making it suitable for a variety of transient protection applications.

The working principle of the 1N8159 is based on its diode structure, which is essentially a single P-N junction that acts as a voltage regulator. This junction will conduct when the forward voltage applied across it reaches the diode’s breakdown voltage, otherwise known as its peak inverse voltage (PIV). At this point, the 1N8159 will start conducting current, allowing the transient voltage to be dissipated. The diode\'s PIV specification can vary depending on its type and specific application.

The 1N8159 is also capable of handling energy-induced signals such as ESD or Electrostatic Discharge. This type of diode contains an integrated Zener diode which can provide adequate protection to sensitive equipment from static electricity. It is also able to limit the voltage of a given signal to ensure that it remains within the normal operating range.

Additionally, the 1N8159 can be used in combination with a flyback diode to reduce voltage distortion and also prevent arcing. It is commonly used to protect sensitive components from over-voltage conditions and sharp edges in digital circuits. It can also be used to reduce inductive kickback voltage in motor control circuits.

The 1N8159 is a versatile device that can be used in a variety of situations. It is often used as a simple, cost-effective solution for protecting circuits from transients and other undesirable voltage spikes. Its low cost, small size and wide range of package styles make it an attractive option for use in most applications.

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