BSPH4230WER

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The BSPH4230WER, also referred to as a Transient Voltage Suppressor (TVS) - Mixed Technology device, is a multi-function component that protect against unwanted surges in both low and high voltage applications. The device combines both unipolar and bidirectional technologies to reduce power dissipation and save space in board applications.

The BSPH4230WER offers a low forward voltage drop during clamping. Thyristor-thyristor (T-T) avalanche breakdown mechanism is used in the device to reduce the clamping current and associated power dissipation during low power switching applications. In addition, internal protection against electrostatic discharges (ESDs) is provided for added protection. This component is typically used in automotive, industrial, medical, security, and other instrumentation applications.

The BSPH4230WER is a highly reliable and cost-effective protection device that also provides excellent clamping characteristics during transient overvoltages. It includes an ESD protection system that limits the peak current and voltage surges saving circuit components from catastrophic damages.

In addition to its low voltage protection features, the BSPH4230WER also supports high voltage protection functions. As a bidirectional element, it acts as both an overvoltage clamp and an undervoltage clamp in one structure. This feature makes the component suitable for more applications and provides cost savings in terms of circuit board space. High-speed switch mode power supply (SMPS) applications benefit from the BSPH4230WER as it can quickly respond to high voltage situations.

The BSPH4230WER consists of an avalanche diode, an ESD protection diode, and a protection fuse. The avalanche diode is composed of a thyristor and a Zener diode for effective low and high voltage protection. The ESD protection diode supports two-channel ESD impedance and clamping configurations for robust system protection. The internal fuse limits the surge current flowing into the protected circuit.

The BSPH4230WER provides a great alternative to other circuit protection devices in terms of cost and performance. It combines both high voltage protection and ESD protection in a single device, eliminating the need for discrete components. This device is suitable for numerous industrial, automotive, medical and instrumentation applications.

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