onsemi

1SMA15AT3G

1SMA15AT3G Description

The 1SMA15AT3G from onsemi is a high-performance unidirectional TVS (Transient Voltage Suppression) diode designed for general-purpose protection in electronic circuits. This surface-mount device offers a 15V reverse standoff voltage (Typ) and a minimum breakdown voltage of 16.7V, ensuring robust protection against transient voltage spikes. With a peak pulse current rating of 16.4A (10/1000µs) and a clamping voltage of 24.4V at Ipp, it effectively safeguards sensitive components from overvoltage events. The diode features a low capacitance of 758pF @ 1MHz, making it suitable for high-speed signal lines without compromising signal integrity.

1SMA15AT3G Features

• High Power Handling: 400W peak pulse power dissipation ensures reliable protection against high-energy transients.
• Low Clamping Voltage: 24.4V max clamping voltage minimizes stress on protected circuits.
• Fast Response Time: Rapid reaction to transient events, providing immediate overvoltage suppression.
• Low Capacitance: 758pF @ 1MHz minimizes signal distortion in high-frequency applications.
• Robust Packaging: SMA package offers compact, surface-mount compatibility for space-constrained designs.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental and regulatory standards.

1SMA15AT3G Applications

• Consumer Electronics: Protects USB ports, HDMI interfaces, and other high-speed data lines.
• Industrial Systems: Safeguards PLCs, sensors, and communication modules from voltage surges.
• Automotive Electronics: Used in infotainment systems, CAN buses, and power supply protection.
• Telecommunications: Shields sensitive RF and signal processing circuits from ESD and lightning-induced transients.

Conclusion of 1SMA15AT3G

The 1SMA15AT3G is a versatile and reliable TVS diode, offering high power dissipation, low clamping voltage, and minimal signal interference. Its compact SMA package and broad compliance make it an excellent choice for general-purpose circuit protection across consumer, industrial, automotive, and telecom applications. Engineers can trust this diode to deliver robust transient suppression while maintaining signal integrity in demanding environments.