The HFD31/5-L2SR(257) is a miniature signal relay manufactured by HongFa. It is designed for applications where space is constrained and reliable signal switching is paramount. The L2SR likely refers to a specific coil type or terminal configuration.

Applications

• Telecommunications equipment
• Instrumentation
• Control systems
• Medical devices
• Data acquisition systems

Features

• Miniature size: Suitable for high-density PCB mounting.
• Low coil power consumption: Enables energy-efficient operation.
• High sensitivity: Requires minimal power to activate.
• High insulation resistance: Ensures electrical isolation between coil and contacts.
• Surface mount (SMD) version available: Facilitates automated assembly.

Benefits

• Space saving: Reduces the overall size of the application.
• Energy efficient: Lowers operating costs and extends battery life in portable devices.
• Reliable switching: Ensures consistent and dependable performance.
• Easy integration: Simplifies assembly and manufacturing processes.
• Long lifespan: Provides extended service life.

Additional Details

Coil Voltage: 5VDC

Contact Form: Refer to the datasheet for the precise contact form details (e.g., SPDT, DPDT).

Contact Rating: The contact rating will vary based on the specific model. Please consult the datasheet for accurate values.

Coil Resistance: Consult the datasheet for specific coil resistance data.

Operating Temperature: Typically -40°C to +85°C. Confirm with the datasheet for the precise range.

This relay is designed for applications demanding a compact, reliable, and efficient switching solution. Always consult the official datasheet for complete and accurate specifications before use.