The HFD16-12-ZH-3N relay from Hongfa is a low-power, sub-miniature sealed PCB relay designed for compact electronic systems requiring reliable signal and light-load power switching. It is commonly used in industrial control boards, instrumentation, telecommunications equipment, and compact automation modules.
This model features a Form 1C (SPDT / changeover) contact configuration, allowing switching between two output paths or implementing basic control logic functions. Its 12VDC coil with 700 resistance provides stable operation with low power consumption, making it suitable for microcontroller-driven circuits and low-energy control systems.
The relay supports a maximum switching current of 3A at 250VAC/30VDC, making it ideal for signal-level loads, small motors, low-power actuators, and general-purpose PCB switching applications. Despite its compact size, it provides dependable switching performance with sealed construction for improved resistance to dust, flux, and environmental contaminants.
The 6-pin configuration allows straightforward PCB integration and compact layout design, making it especially suitable for space-constrained electronic assemblies.
Features
Low-power sub-mini sealed PCB relay
Form 1C (SPDT / changeover contact)
12VDC coil operation
700 coil resistance
3A switching capacity at 250VAC / 30VDC
Compact 6-pin PCB design
Sealed construction for environmental protection
Suitable for low-power industrial and control applications
Specifications
Model: HFD16-12-ZH-3N
Brand: Hongfa
Device Type: Low Power Sub-Mini Sealed Relay
Contact Form: Form 1C (SPDT)
Termination Type: PCB Mount
Coil Rated Voltage: 12VDC
AC/DC Voltage: DC
Coil Resistance: 700
Electrical Rating: 3A at 250VAC / 30VDC
Pins: 6-pin configuration
Typical Applications
Industrial control interfaces
Instrumentation and measurement systems
Signal switching circuits
Small automation modules
Telecommunications equipment
PCB-based low-power control systems
This relay is best suited for compact, low-power designs where reliable signal switching and PCB density optimization are more important than high current handling.
What's in the box
1 x HFD16-12-ZH-3N Low Power Sub-Mini Sealed Relay 12VDC SPDT 3A Compact PCB Relay
