The SM4004Q is a surface-mount rectifier diode manufactured by Vishay. It is part of the eSMP series and is designed for standard rectification applications in automotive and industrial environments. The 'Q' suffix indicates it meets specific automotive requirements for reliability and quality. This diode provides efficient and reliable rectification in various circuits, including power supplies, inverters, and freewheeling applications. Its surface-mount design allows for automated assembly and efficient use of board space.

Applications:

• Automotive power supplies
• Automotive inverters
• Freewheeling diode in automotive inductive loads
• Reverse polarity protection in automotive circuits
• General purpose rectification in automotive and industrial applications

Features:

• High Surge Current Capability: Designed to withstand high surge currents, ensuring reliability under transient conditions.
• Glass Passivated Chip Junction: Provides enhanced reliability and stability.
• Low Forward Voltage Drop: Minimizes power loss and improves efficiency.
• Surface Mount Package: Allows for automated assembly and efficient board space utilization.
• AEC-Q101 Qualified: Meets stringent automotive quality requirements.
• RoHS Compliant: Environmentally friendly, adhering to RoHS standards.

Benefits:

• Increased Reliability in Automotive Applications: AEC-Q101 qualification ensures high reliability in harsh automotive environments.
• Improved Efficiency: Low forward voltage drop minimizes power loss and heat generation.
• Simplified Assembly: Surface mount package facilitates automated assembly processes.
• Compact Design: Small package size allows for high-density circuit designs.
• Robust Performance: High surge current capability ensures reliable operation under transient conditions.

Additional Details:

The SM4004Q has a maximum repetitive peak reverse voltage (VRRM) of 400V and a maximum average forward rectified current (IF(AV)) of 1A. The forward voltage (VF) is typically around 1.1V at 1A. The high surge current capability is typically around 30A. The device is packaged in a DO-214AC (SMA) surface mount package. The operating junction temperature range is typically from -55°C to +150°C. The glass-passivated chip junction enhances the device's stability and reliability, making it suitable for demanding applications. The AEC-Q101 qualification ensures that the device meets the stringent quality requirements of the automotive industry. The device is lead-free and compliant with RoHS directives, ensuring environmental responsibility. The specific datasheet should be consulted for precise specifications and application guidelines.