The SM240A is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). It is part of SECOS's surge protection diode series and is specifically engineered for applications where overvoltage protection is critical. The SM240A offers a fast response time and high surge capability in a compact package.

Applications:

• I/O interfaces
• VCC bus protection
• Automotive electronics
• Industrial control systems
• Telecommunication equipment

Features:

• Unidirectional TVS Diode
• Stand-off Voltage: 24V
• Peak Pulse Power: 400W (10/1000µs waveform)
• Low clamping voltage
• Fast response time
• Excellent clamping capability
• RoHS compliant

Benefits:

• Enhanced Protection: Provides reliable protection against transient voltage events, preventing damage to sensitive components.
• Improved System Reliability: Minimizes downtime and maintenance costs by safeguarding electronic circuits from voltage surges.
• Compact Design: Space-saving package allows for easy integration into densely populated circuit boards.
• Fast Response: Quickly clamps voltage transients, ensuring minimal impact on protected circuitry.
• High Surge Capability: Withstands high surge currents, providing robust protection in harsh environments.

Additional Details:

The SM240A is available in an SMA package. It features a reverse stand-off voltage of 24V and a breakdown voltage typically between 26.7V and 29.5V. The clamping voltage at a peak pulse current of 1A is approximately 39.2V. It is designed to operate within a temperature range of -55°C to +150°C. The device is ideal for protecting circuits against IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) threats.