onsemi

SESD9L5.0ST5G

SESD9L5.0ST5G Description

The SESD9L5.0ST5G from onsemi is a high-performance unidirectional TVS (Transient Voltage Suppression) diode designed for general-purpose ESD (electrostatic discharge) protection in sensitive electronic circuits. With a 5V reverse standoff voltage (max) and a clamping voltage of 9.8V at peak pulse current, this device ensures robust transient suppression while maintaining low leakage. Packaged in the ultra-compact SOD-923 (SOD923) surface-mount form factor, it is ideal for space-constrained PCB designs. The diode features a low capacitance of 0.5pF @ 1MHz, minimizing signal distortion in high-speed data lines. Compliant with RoHS3 and REACH standards, it is suitable for modern electronics requiring reliable overvoltage protection.

SESD9L5.0ST5G Features

• Voltage Protection: 5.4V minimum breakdown voltage with 9.8V max clamping voltage (at peak pulse current).
• Low Capacitance: 0.5pF @ 1MHz, ensuring minimal impact on signal integrity in high-frequency applications.
• Compact & Reliable: SOD-923 package for space-saving PCB layouts; MSL1 (unlimited shelf life) for easy handling.
• High Surge Handling: 1A peak pulse current (8/20µs), providing robust transient suppression.
• Compliance: RoHS3 & REACH compliant, meeting global environmental standards.
• Unidirectional Protection: Safeguards against positive transient spikes while maintaining low leakage.

SESD9L5.0ST5G Applications

• ESD Protection: Shields USB ports, HDMI interfaces, and data lines from electrostatic discharge.
• Consumer Electronics: Protects smartphones, wearables, and IoT devices from voltage transients.
• Industrial & Automotive: Ensures reliability in sensor interfaces, CAN bus, and low-voltage control circuits.
• High-Speed Circuits: Ideal for RF modules, high-speed serial links (e.g., USB 3.0, Ethernet) due to ultra-low capacitance.
• Power Management: Guards DC-DC converters and low-voltage logic circuits against inductive switching spikes.

Conclusion of SESD9L5.0ST5G

The SESD9L5.0ST5G is a high-efficiency TVS diode offering superior ESD and transient protection for 5V systems. Its ultra-low capacitance, compact footprint, and high surge tolerance make it an excellent choice for modern electronics requiring robust overvoltage protection without compromising signal integrity. Whether in consumer, industrial, or automotive applications, this diode ensures reliable performance under harsh electrical conditions, making it a versatile and dependable solution for transient suppression.