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TVS-Diodes

TVS-Diodes provide transient overvoltage protection and are used to fend off voltage spikes commonly caused by lightning or electro static discharge (ESD). The TVS Diode, also referred to as a Transient Voltage Suppressor Diode, a Transil Diode, or a Transfer Voltage Suppressor Diode, is an electronic component specifically designed to divert or quench a transient overvoltage. The primary function of the TVS Diode is to protect sensitive circuits from harmful electrical surges and transients.

SP0504BAJTG Application Field and Working Principle

The SP0504BAJTG is a surface mount TVS diode from STMicroelectronics. It is designed to protect vulnerable circuits from overvoltage transients such as those caused by lightning or ESD. The device features a 3-pin through-hole configuration. Its power dissipation of 1.5-W and breakdown voltage of 5 volts make it suitable for applications that require low internal power consumption and higher breakdown voltages.

The working principle behind the SP0504BAJTG is diode clamping. Diode clamping is a technique used to reduce the voltage that a circuit is exposed to by reducing the difference between the peak voltage and the voltage the circuit should not exceed. The diode is connected between the signal line and ground, and when the peak voltage of the signal exceeds the diode\'s breakdown voltage, the diode starts to conduct, reducing the voltage the circuit is exposed to.

The SP0504BAJTG has a peak pulse power of 4kW and an ESD protection of 8KV. It is available in various configurations, including unidirectional and bidirectional, for different types of transient protection requirements. The unidirectional configuration protects the circuit from a single surge, such as those caused by lightning or an electrostatic discharge, while the bidirectional configuration protects the circuit from both positive and negative transient surges.

The SP0504BAJTG is suitable for a wide range of applications, such as mobile phones, digital cameras, laptop computers, and other consumer electronic devices. The device’s low power consumption and higher breakdown voltage help to reduce power consumption, while its ESD protection helps to improve the safety of the product and its environment. Additionally, the product’s small size makes it suitable for surface mount applications.

The SP0504BAJTG is an ideal solution for portable electronics manufacturers who are looking for a reliable and cost-effective solution for protecting electrical components from overvoltage transients. Its low power consumption, high breakdown voltage, and ESD protection make it a perfect choice for applications requiring transient voltage protection.

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