Hongfa HF46F/12-HS1 12V DC 5A Miniature PCB Relay

Description

Hongfa HF46F/12-HS1 12V DC Miniature Relay

The **Hongfa HF46F/12-HS1 miniature relay** is an electromagnetic switching component designed for printed circuit boards and compact electrical control equipment. Its small footprint helps conserve PCB space while providing a switching solution for compatible AC and DC loads.

This model uses a 12V DC coil and one normally open contact. When the coil receives the appropriate control voltage, the contact closes to switch the connected circuit.

Key Product Specifications

– **Brand:** Hongfa
– **Series:** HF46F
– **Model:** HF46F/12-HS1
– **Coil voltage:** 12V DC
– **Contact configuration:** SPST-NO (1 Form A)
– **Number of pins:** 4
– **Rated resistive contact load:** 5A at 250V AC / 30V DC
– **Maximum switching voltage:** 277V AC / 30V DC
– **Coil resistance:** 720Ω
– **Coil power consumption:** Approximately 200mW
– **Mounting:** Through-hole PCB
– **Dimensions:** Approximately 20.5 × 7.2 × 15.3mm
– **Construction:** Plastic sealed
– **Operating temperature:** −40°C to +85°C

Specifications are based on Hongfa’s HF46F series documentation. Actual load suitability depends on the load type, switching frequency, ambient conditions, and applicable safety ratings.

Main Features and Benefits

Compact PCB Footprint
The relay’s miniature dimensions help reduce space requirements in electronic assemblies and control boards.

12V DC Coil
The coil is intended for compatible 12V DC control circuits. Check the coil voltage and circuit design before installation.

Normally Open Switching Contact
The single normally open contact remains open when the coil is de-energized and closes when the relay operates.

Sealed Construction
The plastic-sealed housing helps protect the relay’s internal components during appropriate PCB assembly and operating conditions.

Low Coil Power
The approximately 200mW coil power supports applications where control-circuit power consumption matters.

Typical Applications

Depending on the electrical design and load requirements, the HF46F/12-HS1 may be suitable for:

– Electronic control boards
– Industrial control equipment
– Automation assemblies
– HVAC control circuits
– General-purpose electrical switching
– Compact electronic appliances

These are potential applications; verify compatibility with the equipment manufacturer’s design requirements.

Installation and Selection Guidance

Before replacing or installing a relay, confirm the coil voltage, contact arrangement, pin layout, PCB footprint, and load rating. The 5A rating applies under specified conditions and should not automatically be used for motors, lamps, capacitive loads, or other loads with high inrush current.

For applications involving mains voltage, use suitable PCB spacing, insulation, enclosure design, and circuit protection. Follow the manufacturer’s datasheet and relevant electrical safety requirements.

Buy Hongfa HF46F/12-HS1 in the UAE

Dynavation Star Electrical Fittings Trading LLC supplies electrical and electronic components to customers across the UAE. Contact the team to confirm the exact relay model, price, and availability for your application.

**Contact Dynavation Star on WhatsApp for the latest price and availability.**