SMP33A-E3/85A

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The SMP33A-E3/85A TVS Diode is a two-stage device that is used to protect sensitive electronic circuits from electrostatic discharge (ESD), lightning, and induced surge voltages. It works by diverting overvoltage pulses away from the protected circuit, and dissipating them into the ground. It is designed to provide maximum surge capability while maintaining a low clamping voltage, making it suitable for use with low voltage electronics.

The SMP33A-E3/85A is composed of two stages. The first stage is a bidirectional, low capacitance, low clamping voltage, low leakage, and low dynamic resistance diode array. This diode array is also designed to absorb very fast rising pulses. The second stage is an array of five zener diodes, each in series with its own peak pulse current limiter. These diodes ensure that the clamping voltage of the device never exceeds the rated voltage.

In operation, when a voltage exceeding the rated value is applied to the SMP33A-E3/85A, the diode array absorbs the energy and diverts it away from the device. The zener diodes then limit the voltage and the current limiter dissipates any excess energy. This two-stage protection system ensures that the device can withstand large surges without damaging the circuit it is intended to protect.

The SMP33A-E3/85A is ideal for use in a variety of applications including telecommunications equipment, computers, peripherals, consumer electronics, and industrial controllers. It is also suitable for use in automotive, medical, and aviation applications. In addition, the device is designed to meet the ISO standards for ESD immunity and surge immunity. It is also RoHS compliant.

In summary, the SMP33A-E3/85A TVS Diode is an effective and reliable solution for protecting sensitive electronic circuits from ESD, lightning, and induced surge voltages. It is designed to provide maximum surge capability while maintaining a limited clamping voltage, making it suitable for use with low voltage electronics. Its two-stage protection system ensures that the device can withstand large surges without damaging the circuit it is intended to protect, making it ideal for a wide variety of applications.

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