The HFD3/48 is a polarized latching signal relay manufactured by HongFa. This relay is designed for applications where low power consumption and stable switching performance are crucial. Its latching function allows it to maintain its state even without continuous power, making it ideal for battery-powered devices and memory circuits.

Applications:

• Telecommunications Equipment: Used in telecom switches and routers for signal routing and control.
• Metering Equipment: Employed in smart meters for remote control and data logging applications.
• Battery-Powered Devices: Suitable for devices such as remote controls and portable instruments where low power consumption is essential.
• Memory Circuits: Utilized in memory circuits for data retention and switching.
• Automatic Test Equipment (ATE): Used in ATE systems for signal switching and routing.

Features:

• Polarized Latching: Maintains its state even without continuous power applied to the coil.
• Low Power Consumption: Requires minimal power to switch and hold its state.
• High Sensitivity: Can be activated with a low voltage or current signal.
• Compact Size: Small footprint allows for high-density mounting on PCBs.
• High Isolation: Provides excellent electrical isolation between the coil and contacts.
• Long Life: Designed for extended operational lifespan with reliable switching performance.

Benefits:

• Energy Saving: Reduces power consumption by maintaining its state without continuous power.
• Reliable Switching: Ensures consistent and dependable performance in various applications.
• Space Saving: Compact size allows for more efficient use of PCB space.
• Data Retention: Maintains its state even during power outages, ensuring data integrity.
• Versatile Application: Suitable for a wide range of applications due to its low power consumption and latching function.

Additional Details:

The HFD3/48 relay features a coil voltage of 48VDC. Its contact rating is typically 0.5A at 125VAC or 1A at 30VDC. The relay is designed to withstand high shock and vibration, making it suitable for harsh environments. It is compliant with RoHS standards, ensuring environmental friendliness. The operating temperature range is typically -40°C to +85°C. The dielectric strength between coil and contacts is typically 1kVAC. This relay offers a cost-effective solution for applications requiring low power consumption and reliable latching functionality.