The SMF9.0A is a Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc. It is designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). This TVS diode is part of the SMF series known for its compact size and reliable performance in protecting against overvoltage conditions.

Applications

• I/O Protection: Protecting input/output ports in computers, peripherals, and communication equipment.
• Data Line Protection: Protecting data lines from ESD and voltage transients.
• Signal Line Protection: Protecting signal lines in control systems and instrumentation.
• Consumer Electronics: Protecting power supplies and sensitive circuits in TVs, set-top boxes, and audio equipment.
• Portable Devices: Protecting electronic components in smartphones, tablets, and other portable devices.

Features

• Unidirectional Protection: Provides overvoltage protection in one direction.
• Low Clamping Voltage: Clamps transient voltages quickly to protect sensitive components.
• Small Footprint: SMF (DO-219AB) package is ideal for space-constrained applications.
• Fast Response Time: Responds quickly to transient voltage events.
• High Surge Capability: Withstands high surge currents as defined by industry standards.
• RoHS Compliant: Complies with environmental regulations for hazardous substances.

Benefits

• Enhanced System Reliability: Protects sensitive electronic circuits from damage caused by overvoltage events.
• Reduced Downtime: Prevents equipment failures due to voltage surges and ESD, minimizing downtime.
• Cost-Effective Protection: Provides a cost-effective solution for protecting sensitive electronics.
• Compact Size: The small SMF package allows for easy integration into compact designs.
• Simplified Design: Simplifies circuit design by providing a robust overvoltage protection solution.

Additional Details

The SMF9.0A has a standoff voltage of 9.0V. It has a peak pulse power dissipation of 200W. The operating junction temperature range is -55°C to +150°C. The clamping voltage at a specified peak pulse current is a critical parameter for determining the level of protection offered. Littelfuse is a global manufacturer of circuit protection devices offering a wide range of solutions for various applications.