SMAJ250C

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The SMAJ250C series from Littelfuse is a type of unidirectional through-hole diode designed to provide effective over-voltage protection. It is part of the Transient Voltage Suppression (TVS) diode family and is designed to be small and efficient while providing protection against electrical transients. The SMAJ250C series has a common Cathode configuration, and is available in both ‘C’ and ‘E’ suffixes for single and dual polarity applications respectively. The device offers excellent clamping capability with a peak pulse current of 475A.

The SMAJ250C diode is an ultra-efficient device which is ideal for protecting a variety of different electronic circuits and systems from high voltage surges. In particular, it is an ideal choice for protecting automotive and industrial systems from electrostatic discharge, lightning, and induced static electricity. It is also suitable for use in telecommunication systems, personal computers, and audio/video systems..

The SMAJ250C\'s most important feature is its ultra-low clamping voltage. This feature allows it to quickly responds to voltages above the breakdown voltage and clamp it to a safe level. The device also features low dynamic resistance and is capable of operating at high speed, resulting in improved noise immunity.

The SMAJ250C diode is available in a wide range of sizes and shapes. Its high power dissipation capability and small package size make it ideal for applications where space is a constraint. The device is also suitable for high-density mounting, as stack-mounting can be done with a small profile. The device can also be stacked with other TVS diodes for additional protection.

The working principle of a SMAJ250C series diode is fairly straightforward. When a voltage surge greater than its breakdown voltage is applied, the diode quickly responds and clamps the surge to a safe level. This clamps the voltage to a voltage that is still safe for the circuits and systems it’s protecting. The device features a very large capacitance, which helps to absorb the surge quickly and clamp the voltage. The diode is also designed to absorb the energy of the surge, thus providing maximum protection.

In conclusion, the SMAJ250C series from Littelfuse is an excellent choice for overvoltage protection applications. Its low profile and high power dissipation capability make it ideal for high-density mounting and stack mounting, and its ultra-low clamping voltage allows it to quickly clamp surges to a safe level. Its large capacitance also enables it to absorb the energy from the surge, providing additional protection for the systems it is protecting. All these features make the SMAJ250C a great choice for a variety of different applications.

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