5KP45A-E3/54 Circuit Protection

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TVS diodes are an integral component of any circuit that requires protection from transient voltage and electrostatic discharge. The 5KP45A-E3/54 Transient Voltage Suppressor (TVS) diode is a member of Littelfuse\'s \'XL\' family, designed specifically to protect against over-voltage transients and surges in low or medium power circuits. It offers superior ESD protection and superior clamping performance with respect to conventional Si TVS devices.

The 5KP45A-E3/54 is a 47V, 5.0 Watts, unidirectional TVS diode with a reverse stand-off voltage of 45V. It is lead-free to comply with EU RoHS environmental standards, and is SFRA tested for stringent automotive standards. It is also halogen-free, making it recyclable and environmentally friendly.

The 5KP45A-E3/54 is a bidirectional TVS diode designed to suppress over-voltage transients and surges from both directions. It features a low forward and reverse stand-off voltage, making it the ideal choice for applications that require quick response time such as automotive, industrial, telecom, and consumer electronics. It has a maximum peak pulse current of 11.25 A, and a maximum peak pulse power of 5.0 W.

The 5KP45A-E3/54 TVS diode utilizes the principle of avalanche breakdown in its function. Avalanche breakdown occurs when the electric field across a semiconductor diode is increased high enough that lattice defects in the material cause the electrons to break free from their bonds and collide with other electrons, producing secondary electrons. These secondary electrons then collide with other electrons,exceeding the materials intrinsic electric field strength, and resulting in a surge of current flow.

The 5KP45A-E3/54 TVS diode can be used in multiple industries. Its low stand-off voltage and fast response time makes it ideal for consumer electronics and telecom applications, while its 11.25 A peak pulse current makes it ideal for automotive and industrial applications. It can also be used in medical and industrial equipment, such as medical imaging equipment and computers, to protect against transient voltage and electrostatic discharge.

In conclusion, the 5KP45A-E3/54 TVS diode is a 47V, 5.0W, unidirectional diode that utilizes the principle of avalanche breakdown to protect against over-voltage transients and surges. It is an ideal solution for industrial, automotive, consumer electronics, and telecom applications, offering superior ESD protection and superior clamping performance with respect to conventional Si TVS devices.

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