SMCJ17A-AT 1500W 17V TVS Diode SMCJ-AT | RUILON

The SMCJ17A-AT is a 1500W transient voltage suppressor (TVS) diode designed to provide high-reliability protection against electrostatic discharge (ESD), lightning surges, and fast transient voltage spikes. With a 17V standoff voltage, it ensures effective overvoltage clamping while maintaining stable operation for low-voltage power rails and signal line applications.

Housed in the SMC (DO-214AB) surface-mount package, it offers enhanced surge handling capability compared to lower power TVS devices, making it ideal for circuits exposed to high-energy transients. The device features ultra-fast response time, enabling immediate suppression of transient events to protect ICs, communication interfaces, and control electronics. Its low leakage current helps improve overall system efficiency, while the glass-passivated junction structure ensures long-term reliability and thermal stability in demanding environments.

The 17V rating provides improved operating margin, making it suitable for modern electronic systems requiring robust and stable surge protection performance.

Key Features

• 1500W peak pulse power capability
• 17V standoff voltage for stable circuit protection
• Ultra-fast response to ESD and surge transients
• Low leakage current for efficient operation
• High surge absorption (8/20 µs waveform)
• SMC (DO-214AB) high-power SMD package
• Glass-passivated junction for high reliability
• Bidirectional protection design

Applications

• Power supply surge and transient protection
• Industrial automation systems
• Telecom and networking equipment
• Consumer electronics protection
• Data and signal line ESD protection
• LED lighting and driver circuits
• Automotive electronic systems