The 1.5SMC82AT3G is a surface mount Transient Voltage Suppressor (TVS) diode from Littelfuse, designed to protect sensitive electronic components from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). It's part of the 1.5SMC series, known for providing robust overvoltage protection in a compact SMC package.

Applications

• Automotive Electronics: Protection of automotive control units (ECUs) and sensor circuits.
• Industrial Equipment: Safeguarding industrial control systems and machinery from voltage surges.
• Telecom Systems: Protecting communication lines and networking equipment from lightning and ESD.
• Medical Devices: Ensuring the reliable operation of medical equipment by protecting sensitive circuitry.
• Power Supplies: Providing overvoltage protection for power supply inputs and outputs.

Features

• Surface Mount Package: SMC (DO-214AB) package for easy PCB mounting and automated assembly.
• High Surge Capability: Withstands high surge currents as defined by industry standards like IEC 61000-4-5.
• Fast Response Time: Rapid clamping action to quickly suppress voltage transients.
• Low Clamping Voltage: Limits the peak voltage across the protected circuit to a safe level.
• Unidirectional: Designed to protect against positive polarity voltage transients.

Benefits

• Protection from Overvoltage Events: Prevents damage to sensitive components caused by voltage transients.
• Enhanced System Reliability: Improves the overall robustness and reliability of electronic systems.
• Increased Product Lifespan: Extends the operational life of equipment by mitigating the effects of voltage surges.
• Reduced Downtime and Maintenance: Minimizes equipment failures and associated downtime due to overvoltage conditions.
• Compact and Efficient Protection: Provides effective overvoltage protection in a space-saving surface mount package.

Additional Details

The 1.5SMC82AT3G has a stand-off voltage of 82V and a peak pulse power dissipation of 1500W. Its typical clamping voltage at peak pulse current is approximately 133V. The operating temperature range is typically from -55°C to +150°C. Always refer to the Littelfuse datasheet for detailed specifications, derating curves, and application guidelines to ensure optimal performance and protection.