HF RELAY HF46 4PIN 12V DC

Description

The HF46 12V DC (4-pin) is a miniature PCB power relay from the Hongfa HF46 series, designed for reliable switching of low-power AC/DC loads in industrial control boards, appliances, automation systems, and electronic circuits. It is a compact relay with a high-sensitivity coil and stable performance for signal and small power switching applications.

This relay is commonly used in control modules, PLC interfaces, home appliances, and industrial electronics where space-saving and reliability are important.

Key Features

• Miniature PCB electromagnetic relay
• 12V DC coil for standard control circuits
• 4-pin configuration (2 coil + 2 contact terminals in SPST setup)
• SPST-NO (Normally Open) contact type
• Switching capacity up to 5A load current
• Compact size for high-density PCB mounting
• High sensitivity coil (~200 mW power consumption)
• Fast switching response (~10 ms operate time)
• Low contact resistance for stable signal transfer
• Long mechanical and electrical service life
• RoHS-compliant industrial design

Specifications

• Product Type: PCB Power Relay
• Model: HF46 (HF46F / HF46F-12-HS1 variant family)
• Manufacturer: Hongfa
• Coil Voltage: 12V DC
• Contact Configuration: SPST-NO (4-pin version)
• Contact Rating: 5A at 250V AC / 5A at 30V DC
• Switching Voltage: up to 277V AC / 30V DC
• Coil Resistance: ~720 Ω (typical 12V variant)
• Coil Power Consumption: ~200 mW
• Operate Time: ~10 ms
• Release Time: ~10 ms
• Mounting Type: Through-hole PCB
• Contact Material: AgNi / AgSnO₂ (variant dependent)
• Operating Temperature: -40°C to +85°C
• Mechanical Life: Up to millions of cycles
• Application: Industrial control panels, automation boards, HVAC systems, home appliances, signal switching, low-power motor control