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SZESD9X3.3ST5G

SZESD9X3.3ST5G Description

The SZESD9X3.3ST5G from onsemi is a high-performance unidirectional TVS (Transient Voltage Suppression) diode designed for robust ESD (Electrostatic Discharge) and transient voltage protection in sensitive electronic circuits. With a 3.3V reverse standoff voltage (max) and a breakdown voltage of 5V (min), this device ensures reliable clamping at 10.4V (max) during peak pulse currents of 9.8A (8/20µs). Its ultra-low capacitance of 80pF @ 1MHz minimizes signal distortion, making it ideal for high-speed data lines. Packaged in a compact SOD-923 (SOD923) surface-mount form factor, it is optimized for space-constrained applications while meeting automotive-grade (AEC-Q101 qualified) reliability standards.

SZESD9X3.3ST5G Features

• Unidirectional protection for single-polarity transient threats.
• Low clamping voltage (10.4V @ Ipp) ensures downstream component safety.
• High peak pulse power (102W) for robust surge protection.
• Ultra-low capacitance (80pF @ 1MHz) preserves signal integrity in high-frequency circuits.
• Automotive-grade compliance (AEC-Q101) for harsh environments.
• RoHS3 & REACH compliant, with MSL1 (unlimited) moisture sensitivity for easy handling.
• Tape & Reel (TR) packaging for automated assembly efficiency.

SZESD9X3.3ST5G Applications

• ESD protection for USB ports, HDMI interfaces, and high-speed data lines (e.g., USB 3.0, Ethernet).
• Automotive electronics: Protects infotainment systems, sensors, and CAN bus lines from voltage transients.
• Consumer electronics: Safeguards smartphones, tablets, and wearables against ESD events.
• Industrial systems: Shields PLCs, RS-485/232 communication lines, and IoT devices from surges.

Conclusion of SZESD9X3.3ST5G

The SZESD9X3.3ST5G stands out for its combination of low capacitance, high surge handling, and automotive-grade reliability, making it a superior choice for modern electronics requiring compact, high-performance transient protection. Its unidirectional design and precise clamping make it particularly effective in high-speed data and automotive applications, ensuring both signal fidelity and system durability. For engineers seeking a balance of size, performance, and compliance, this TVS diode delivers exceptional value.