SMA5J33CHE3/5A

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TVSs (Transient Voltage Suppressors) are widely used for lightning protection, spike suppression, and pulse protection. They can also be used in high voltage and high current environments. The SMAJ33CHE3/5A is one such TVS diode, designed and manufactured by ON Semiconductor. It is a unidirectional device primarily designed for ESD (Electrostatic Discharge) protection, but can also be used for other protection applications.

The SMAJ33CHE3/5A is a small, low-profile component packaged in a SMA (small-outline surface-mount) package. It is designed to protect sensitive circuitry from high voltage transients and electrical surges. It has an operating voltage of 33V and a peak pulse power (TPP) rating of 800W (10/1000μs waveform). The device is a bidirectional, high-speed, low-saturation voltage transient voltage suppressor. It has an impressive response time of 1ns and is RoHS compliant.

The SMAJ33CHE3/5A is a general purpose ESD protection device for use in applications where high speed, transient protection is required, such as telecommunications, computer, consumer, and automotive equipment. It has excellent surge current capability due to its low dynamic resistance, which is typically less than 5 ohms. This ensures that it will react quickly and efficiently to fast transients, providing reliable protection. It is also designed to be highly reliable, with an estimated mean time to failure (MTBF) of over 500,000 hours.

The working principle of the SMAJ33CHE3/5A is quite simple. When its input signal reaches its peak clamping voltage, the device becomes conductive and provides a low impedance path to ground, limiting the peak voltage across the diode. This is able to absorb large amounts of energy, providing a surge protection layer that transient high voltage signals cannot pass through.

In summary, the SMAJ33CHE3/5A is a unidirectional high-speed, low-saturation TVS diode designed for ESD protection. It is packaged in a SMA package and operates at voltage of 33V. It has a peak pulse power (TPP) rating of 800W (10/1000μs waveform). It is designed to provide reliable protection against high voltage transients and electrical surges due to its fast response time and low dynamic resistance. The device is RoHS compliant and has an estimated MTBF of approximately 500,000 hours.

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