1KSMB39A R5G Circuit Protection

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TVS - Diodes

The 1KSMB39A R5G is a bidirectional transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from destructive transient voltages. TVS diodes designate a family of transient voltage suppression semiconductor devices intended to protect against voltage transients induced by electrostatic discharge (ESD), lightning, and inductive load switching.

The 1KSMB39A R5G is a surface mount 400W unidirectional, bidirectional, and complementary TVS device that safely absorbs up to 400 watts of transient energy. This component is ideal for use in automotive, industrial, and consumer electronics application requiring lightning-level surge protection over the frequency range from 400kHz to 50MHz. It is also designed for ULP (Ultra-Low Package) applications that require space-efficient, ultra-low profile components.

The 1KSMB39A R5G is designed to provide optimal protection from destructive surges and spikes up to 400 watts. The TVS diode features a bidirectional configuration where two oppositely facing leads are used to conduct the current in either direction. It can clamp voltage up to 600V, and can dissipate up to 400W. The TVS diode also has a low capacitance (3pF max) for protection from high-frequency signal degradation, and a low clamping voltage for added protection. It is compatible with high-speed data/voice communication lines and its ultra-low profile packaging reduces space requirements.

The 1KSMB39A R5G is designed to protect against destructive surges and spikes when connected in series with the protected device. When a transient voltage or current exceed the breakdown voltage of the device, the TVS diode is capable of clamping the voltage to the breakdown voltage to protect the protected device. This clamped voltage creates a low-impedance path in order to dissipate the transient energy.

The 1KSMB39A R5G is ideal for applications that require high ESD (electrostatic discharge) protection levels, and it is used in the automotive, industrial, consumer electronics, and telecom industries. It is most commonly used in automotive systems, computers, telecommunications, and battery protected products, and it is also used in the protection of low voltage CMOS logic circuits, consumer electronics, multiplex data/signal lines, and anywhere equipment is exposed to high voltage transients.

The 1KSMB39A R5G is one of the ideal TVS diodes for use in high power, lightning-level surge protection applications due to its robust design. It has a low capacitance for protection from high-frequency signal degradation, a reverse peak power rating of 400 watts, a low clamping voltage for added protection, and a bidirectional configuration. With its excellent surge current and breakdown voltage capabilities, it is an excellent choice for any application that requires high-speed, high-power surge protection.

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