Songle SRD Series 24V DC Relay

Product Description:

The Songle SRD series relays are electromagnetic devices that are extensively utilized in a variety of electrical and electronic applications. These relays are characterized by their compact size, making them ideal for PCB mounting.

Key Features

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

Technical Specifications

• Coil Resistance: Dependent 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: Machine and motor control
• Home Automation: Lighting, heating, and cooling systems
• Security Systems: Alarm systems, security doors
• Automotive Applications: Electric windows, headlights
• Electronic Projects: Commonly used with Arduino and other microcontroller projects

Advantages

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

Disadvantages

• Mechanical Wear: Over time, mechanical parts can wear out, potentially reducing the relay's lifespan.
• Size: May be bulkier compared to solid-state relays in some applications.

Example Product: SRD-24VDC-SL-C

• Coil Voltage: 24V DC
• Coil Resistance: 70Ω
• Nominal Current: 10A
• Contact Configuration: SPDT
• Operate and Release Time: 10ms and 5ms