The HF49FD/024-1H11TF is a subminiature signal relay manufactured by HongFa, designed for applications requiring compact size, low power consumption, and reliable signal switching. Its small footprint and high sensitivity make it ideal for densely populated PCBs and battery-powered devices. The '1H11TF' suffix likely refers to a specific contact material, terminal configuration, or manufacturing process variation.

Applications

• Telecommunications Equipment: Used in communication systems for signal routing, switching, and isolation.
• Security Systems: Employed in alarm systems and access control systems for signal switching and control.
• Instrumentation and Measurement: Integrated into test and measurement equipment for signal routing and isolation.
• Medical Equipment: Used in medical devices for signal switching and control.
• Consumer Electronics: Found in audio/video equipment, remote controls, and other consumer devices for signal switching.

Features

• Subminiature Size: Ultra-compact design for high-density PCB mounting.
• High Sensitivity: Requires very low coil power for activation, suitable for low-power circuits.
• Low Contact Resistance: Minimizes signal loss and maintains signal integrity.
• High Insulation Resistance: Provides excellent electrical isolation between coil and contacts.
• Long Life: Designed for reliable and consistent performance over an extended lifespan.
• Sealed Construction: Protects the relay from dust, humidity, and other environmental factors.

Benefits

• Space Saving: The ultra-compact size allows for maximum PCB space utilization.
• Energy Efficiency: Low coil power consumption contributes to overall energy savings.
• Improved Signal Quality: Low contact resistance ensures minimal signal degradation.
• Enhanced Reliability: Robust design and sealed construction provide stable performance in various environments.
• Versatile Application: Suitable for a wide range of low-level signal switching applications.

Additional Details

The HF49FD/024-1H11TF relay operates with a 24VDC coil voltage. It likely features a SPDT (Single Pole Double Throw) contact configuration. It is designed for through-hole PCB mounting. The manufacturer's datasheet is the primary source for detailed specifications, including contact ratings, coil resistance, operate and release times, insulation resistance, and operating temperature range. The datasheet also contains critical information for proper application and handling of the relay.