SMCJ13A-13

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SMCJ13A-13 is a silicon-based TVS (Transient Voltage Suppressor) diode, which is typically operated in bi-directional circuits and used to protect sensitive electronic components from the overvoltage damage. This device has a DO-214AC package with low profile, flat surface mount, and a special design of plating that eliminates thermal resurgence effect.

The key feature of SMCJ13A-13 is its high peak pulse power handling capability. It can handle up to 1500 Watts peak pulse power per line with 8/20 uswaveforms. The device also offer low junction capacitance and fast response time with low leakage current. It is suitable for applications such as overvoltage transients, electro-static discharge (ESD), voltage spike, and secondary lightning protection.

SMCJ13A-13 is particularly useful for protecting low power device like analog and digital ICs from ESD strikes and lightning. It is also suitable for protecting communication lines and power supply systems from voltage spikes due to line transients and switching systems in motor controllers. Other applications include protection of sensitive electronic equipment from destructive voltage transients and protecting data and signal lines flowing into or around a circuit.

The working principle of SMCJ13A-13 is quite simple: when there is a sudden surge of voltage in a power or signal line, the diode will become activated by across-conduction, momentarily serving as a short circuit and transferring the surge of current away from sensitive equipment. Afterward, the diode will turn off and return the power line to its original state.

This device provides excellent clamping capabilities with a breakdown voltage ranging from 11 V to 13 V. The rated repetitive avalanche energy is 500 mJ (20 us x 500 A = 10 kJ). The device is rated for a substantially high power handling of 1500 W (8/20 us) with a peak power dissipation at Tj = 25 °C. In addition, SMCJ13A-13 has a fast response time of 1 ns.

SMCJ13A-13 is reliable, robust and efficient, making it an ideal choice for overvoltage protection in a variety of sensitive areas. It is an excellent option to protect the circuitry from damage associated with ESD and other transient events.

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