SMAJ64CA-13

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TVS diodes are often used in electrical circuits to protect against transient voltage surge and noise. SMAJ64CA-13 is a unidirectional transil diode that is commonly used in applications where transient voltage suppression is required.This diode is designed to protect low power components from voltage and current transients.

The SMAJ64CA-13 is from the SMA package family, made by STMicroelectronics. It is a low capacitance, unidirectional device and has a peak pulse power of 630W. The diode has a reverse clamping voltage of 18.7V, a working voltage of 8.7V, and a reverse leakage current of 30uA.

The SMAJ64CA-13 is designed for applications such as data communication ports, data buses, and cellular phones. It is also suitable for telecommunications systems, computers, automotive systems, and instrumentation equipment.

The working principle of the SMAJ64CA-13 is fairly simple. When a transient voltage in a circuit exceeds the breakdown voltage, the diode will begin to conduct and the reverse current will flow, preventing the voltage from reaching its original peak. This reverse current is limited by the zener breakdown voltage. When the voltage reaches its maximum, the diode will begin to turn off, and the voltage will drop. This process will effectively protect the circuitry from an overvoltage.

The SMAJ64CA-13 is designed for use in operating temperatures of -55ºC to +150ºC. It is capable of handling a maximum surge current of 40A for 10/1000 microsecond and a maximum peak current of 80A for 8/20μs. The diode offers excellent clamping and ESD performance, with low capacitance.

In summary, the SMAJ64CA-13 is a unidirectional transil diode that is designed to protect low power components from voltage and current transients. It is ideal for use in applications such as data communication ports, data buses, cellular phones and telecommunications systems. The diode operates by clamping the voltage when it reaches a breakdown voltage, limiting the voltage and protecting the circuit from an overvoltage.

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