SMBJ14

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Transient voltage suppression (TVS) diodes, also referred to as transil diodes, have been developed to provide circuit protection devices for high energy surge protection environment. The SMBJ14 is a surface mounted rectifier and transient voltage suppressor, suitable for unidirectional transient protection. It has been developed for applications in the telecommunications and data communication industries, consumer electronics and automotive industry.

The SMBJ14 is designed for use in applications where transient overvoltages must be handled. It is rated at a peak power rating of 1400 watts and a voltage clamp of 17.3 volts. The diode is available in an array of package styles, ranging from through hole to surface mount packages, which allows for popular board mounting techniques to be employed with ease. Its compact size also makes it attractive where limited board space is available.

The SMBJ14 has two working modes: the zener breakdown mode and the avalanche breakdown mode. The zener breakdown mode is characterized by a slow turn-off time and low clamping voltages. It is best suited for a slow rate of rise applications. The avalanche breakdown mode is characterized by a fast turn-off time and high clamping voltages. It is best suited for a high rate of rise applications.

The SMBJ14 is equipped with a variety of features for operation in hostile environments. It has an integrated zener breakdown diode, an avalanche diode, and an internal back-to-back configuration for bidirectional protection. Its zener diode has low reverse breakdown voltage characteristics and low clamping voltage. The avalanche diode has fast turn-off response times and is able to handle high rate of rise applications. The back-to-back configuration ensures bidirectional protection.

One of the most important features of the SMBJ14 is its ability to provide protection against transients or voltage surges. Its low clamping voltage and fast response time make it ideal for use in applications where transients must be handled. It also provides excellent protection in environments with high RF noise. Its reverse breakdown characteristics, combined with its back-to-back configuration, allows it to provide durable bidirectional surge protection.

The SMBJ14 can also be used as a charge pump to regulate the supply voltage in applications where the supply voltage is variable or may experience frequent transients. In this application, the SMBJ14 diode acts as a regulator, clamping the supply voltage within predefined limits. This ensures that the system is not subjected to excessive and potentially damaging surges.

Overall, the SMBJ14 is a versatile and reliable product. It provides reliable protection in high energy surge environments and applications involving high RF noise. Its integrated zener breakdown diode, avalanche diode, and back-to-back configuration make it a suitable solution for applications requiring bidirectional protection. Its small size also makes it attractive in limited space applications while its versatility allows it to be used for a variety of applications including transient protection and charge pump regulation.

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