1.5KE250CARL

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• 1.5KE250 CARL Application Field and Working Principle - TVS - Diodes

  TVS (Transient Voltage Suppressing) Diodes, also known as Transient Voltage Suppressors (TVS) are semiconductor devices that protect electronic and electrical equipment from damaging overvoltage transients, such as electrostatic discharges and lightning strikes. They are usually connected ‘across’ circuit lines, to provide a conducting path that activates when the voltage exceeds a certain threshold. The purpose of the diode is to divert any excess electrical current away from sensitive components that might otherwise suffer damage, significantly increasing their lifespan.

  1.5KE250 CARL is a series of TVS Diodes manufactured by American company Central Semi, who specialize in designing and producing discrete semiconductor components. These diodes are designed to protect electrical circuits from Electrostatic Discharge (ESD) and Electrical Fast Transient (EFT) and are extremely useful for protecting high-speed applications, such as communications equipment and aviation systems. The 1.5KE250 CARL series combines Central Semi’s fast response time and high surge capability with cost-effective integration.

  The 1.5KE250 CARL series is available with a 13mm diameter and 250A surge current per line. The fast-acting, self-healing characteristic of the diode provides reliable protection against delays in the response time of other components. Central Semi’s 1.5KE250 CARL series TVS diodes are also constructed with hermetically sealed packages for enhanced durability, so that no external humidity or other contaminants can seep in and damage the components.

  The main application field of the 1.5KE250 CARL series is for providing ESD, EFT and Surge protection for high-speed communication systems, such as USB2.0, IEEE1394 and Broadcom’s Data Edge. The 1.5KE250 CARL series provides low-capacitance protection of such systems and can handle 2000W of power. They are suitable for protecting against both overvoltage and overcurrent surges.

  The 1.5KE250 CARL TVS Diode is designed with a balanced clamp, and works by “clamping” the voltage over the specified voltage to limit the current. The diode consists of two separate diodes that are each connected to one of the leads. When the diode is triggered, it conducts current and clamps the voltage down to a predetermined level. Since the current is conducted by the diode, it prevents a surge of current that could potentially damage other components.

  In conclusion, Central Semi’s 1.5KE250 CARL series TVS Diodes are ideal for protecting sensitive systems from ESD, EFT and surge damage. They have fast response time and high surge capability, combined with hermetically sealed packages for protection against external contaminants. They are suitable for high-speed communication systems such as USB2.0, IEEE1394 and Broadcom’s Data Edge, and can provide reliable protection against overvoltage and overcurrent surges.

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