Songle 5V 10A DC Relay

The Songle SRD series relays are electromagnetic devices with a broad range of applications in the field of electronics and electricity. The following sections provide a comprehensive overview of these relays.

Key Features

• Brand: Songle
• Series: SRD
• Nominal Current: Generally 10A
• Contact Configuration: SPDT (Single Pole Double Throw) or SPST (Single Pole Single Throw)
• Coil Voltages: Offered in a variety of voltages including 3V, 5V, 6V, 9V, 12V, 24V, 48V DC
• Contact Voltage: 250V AC or 30V DC
• Size: Compact and typically suitable for PCB mounting

Technical Details

• Coil Resistance: Changes based on voltage (e.g., approximately 400Ω for 12V DC)
• Operate Time: Maximum of 10ms
• Release Time: Maximum of 5ms
• Dielectric Strength: 500VAC (coil to contact), 1000VAC (between contacts)
• Mechanical Life: 10 million operations
• Electrical Life: 100,000 operations (at nominal load)

Applications

• Industrial Control Systems: Useful in machine and motor control
• Home Automation: Applicable in lighting, heating, and cooling systems
• Security Systems: Used in alarm systems and security doors
• Automotive Applications: Utilized in electric windows and headlights
• Electronic Projects: Commonly used with Arduino and other microcontroller projects

Benefits

• High Reliability: Due to its electromechanical design, it is durable and reliable.
• Wide Application Range: Suitable for both AC and DC loads.
• Easy Installation: Can be conveniently mounted on PCBs.

Limitations

• Mechanical Wear: Over time, mechanical parts may wear out, potentially diminishing the lifespan of the relay.
• Size: In some applications, it may be larger compared to solid-state relays.

Example Product: SRD-05VDC-SL-C

• Coil Voltage: 5V DC
• Coil Resistance: 70Ω
• Nominal Current: 10A
• Contact Configuration: SPDT
• Operate and Release Time: 10ms and 5ms