The 5.0SMDJ200A is a Transient Voltage Suppressor (TVS) diode manufactured by UN Semiconductor INC. It's designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and Electrostatic Discharge (ESD). This TVS diode is part of the SMDJ series, indicating a surface-mount package, and is specifically designed to handle high surge currents.

Applications

• Industrial Control Systems
• Telecommunication Equipment
• Automotive Electronics
• Power Supplies
• Data Lines Protection

Features

• Unidirectional TVS Diode
• Surface Mount Package (SMDJ)
• High Surge Current Capability
• Fast Response Time
• Low Clamping Voltage

Benefits

• Provides robust protection against voltage transients
• Prevents damage to sensitive electronic components
• Enhances system reliability
• Ensures compliance with regulatory standards
• Simplifies circuit design

Additional Details

The 5.0SMDJ200A is a unidirectional TVS diode, meaning it conducts only when the voltage exceeds its breakdown voltage in one direction. The SMDJ package is a surface-mount type, allowing for easy integration into printed circuit boards. Its high surge current capability enables it to withstand large transient currents without being damaged. The fast response time ensures that the TVS diode quickly clamps the voltage, protecting downstream components. The low clamping voltage limits the voltage that sensitive components are exposed to during a transient event. Proper PCB layout is crucial for effective transient voltage suppression. The TVS diode should be placed as close as possible to the point of entry of the transient. The ground connection should be short and direct to minimize inductance. The 5.0SMDJ200A is designed to meet or exceed industry standards for surge protection, such as IEC 61000-4-5. The "200A" in the part number indicates the standoff voltage, which is the maximum voltage that the TVS diode can withstand without conducting. Above this voltage, the diode will begin to conduct and clamp the voltage to a safe level.