The SMBG4732A/TR13 is a surface mount transient voltage suppressor (TVS) diode manufactured by Microsemi Corporation. It is designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), inductive load switching, and other transient voltage events. This TVS diode is packaged in an SMB (DO-214AA) package, making it suitable for automated assembly processes.

Applications

• Protection of I/O Interfaces
• Voltage surge protection in consumer electronics
• Industrial control systems
• Telecommunication equipment
• Power supply protection

Features

• Surface Mount SMB (DO-214AA) Package
• Glass passivated junction
• Excellent clamping capability
• Low incremental surge resistance
• Typical IR less than 1 μA above 10V
• Fast response time: typically less than 1.0 ps from 0 Volts to BV min
• For devices with VBR ≥ 10V, ID are typically less than 5μA
• UL Recognized compound under file number E324982
• Compliant to RoHS Directive 2011/65/EU and in accordance to WEEE 2002/96/EC

Benefits

• Provides robust protection against voltage transients, enhancing system reliability.
• Compact SMB package allows for efficient use of board space.
• Fast response time ensures quick clamping of transient voltages, minimizing potential damage to protected circuits.
• Low leakage current reduces power consumption and improves overall efficiency.
• Meets industry safety standards, ensuring compliance and reliability.

Technical Specifications

The SMBG4732A/TR13 has a stand-off voltage (VRWM) of 4.7 volts, a breakdown voltage (VBR) of 5.22 to 5.81 volts, and a test current (IT) of 1 mA. It features a peak pulse power (PPP) of 600W at 10/1000μs waveform. Its clamping voltage (VC) at a peak pulse current (IPP) is typically around 9.2 volts. The operating temperature range is typically -55°C to +150°C. It is designed for unidirectional protection.

The 'TR13' suffix indicates that the device is provided in tape and reel packaging for automated assembly.