The HFD31/12-SR is a miniature signal relay manufactured by HongFa. This relay is designed for applications where reliable signal switching is essential. Its compact size and low coil power consumption make it suitable for densely populated circuit boards and energy-sensitive applications. The 'SR' designation likely indicates a specific contact material or feature related to surge resistance.

Applications

• Telecommunications equipment
• Instrumentation
• Medical devices
• Security systems
• Industrial control systems

Features

• Miniature size
• High sensitivity
• Low coil power consumption
• High switching capacity
• 12VDC coil voltage
• SPDT contact arrangement
• Sealed construction for environmental protection

Benefits

• Reduced PCB space requirements
• Energy efficient operation
• Reliable signal switching
• Long operational life
• Easy integration into existing designs
• Protection against dust and humidity

Additional Details

This relay operates with a 12VDC coil voltage. The SPDT contact provides flexible switching options. The 'SR' designation, detailed in the datasheet, likely indicates a specific contact material optimized for surge resistance or low contact resistance. The relay's construction ensures long-term reliability in various environments. Refer to the datasheet for precise electrical characteristics, including contact rating, coil resistance, insulation resistance, and operating temperature range, to ensure appropriate implementation.