MXSMCJ120CA Circuit Protection

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The MXSMCJ120CA is a diode specifically designed for use in transient voltage suppression(TVS) applications. It is manufactured by Littelfuse, a global leader in the circuit protection industry. Its excellent clamping capability and high surge current ratings make it ideal for use in high-power, high-current applications and is typically used as an input protection component. It is suitable for a wide range of voltage levels and has a wide operating temperature range.

The MXSMCJ120CA is a two-pin component with two tests each with an approximate size of 8.9mm x 6.2mm. The package style is a DO-214AB (SM/ SMC/ SMA). The voltage rating for this product is 120V and the peak impulse current rating is 800A (10/1000μs). The peak pulse current is 750A. The breakdown voltage is 121V and it has a leakage current of 70nA. This product is also RoHS compliant and is lead-free. Its operating temperature range is -55°C to +175°C.

The MXSMCJ120CA is designed to protect sensitive electronic components or boards from transient voltage overshoots. It works by clamping the voltage at a safe level, and by limiting the surge current to a safe level. It is commonly used in motorsport applications, where the high-acceleration and fast-acting circuits require reliable over-voltage protection. This allows components to safely handle high-power transients without interfering with circuit operation. In applications with extreme temperature conditions, MXSMCJ120CA is a great choice due to its wide operating temperature range.

The working principle of the MXSMCJ120CA TVS diode is based on the Avalanche Breakdown Effect. When an excessive voltage exceeding the breakdown voltage is applied to the junction, electrons flow rapidly to the other side, resulting in a sudden rapid increase in current. This high current rapidly dissipates the energy, dissipating the excess voltage. The purpose of the MXSMCJ120CA diode is to limit the surge current and thereby protect circuit components from its effects.

Overall, the MXSMCJ120CA Transient Voltage Suppressor (TVS) diode from Littelfuse is an excellent choice for over-voltage protection. It offers high surge current and voltage ratings, making it ideal for industrial, automotive, and motorsport applications. Its wide operating range and RoHS compliance make it suitable for most environments. With these features, it is an ideal choice for protecting electronic components or boards from transient voltage overshoots.

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