HF33F-Z3 5V 5A SPDT Relay PCB Mount 5-Pin

HF33F-Z3 5V 5A SPDT Relay PCB Mount 5-Pin is a compact electromagnetic relay designed for signal switching and load control in low-voltage electronic applications. With a switching capacity of 5A and Single Pole Double Throw (SPDT) configuration, it is ideal for automation, microcontroller projects, timers, and general-purpose control circuits.

Key Features:

• 5V Coil Voltage: Operates directly with TTL/Arduino/MCU logic.
• 5A Switching Capacity: Handles small motors, lights, solenoids, and more.
• SPDT Configuration: One common terminal, one normally open (NO) and one normally closed (NC).
• Compact Design: Space-saving size for dense PCBs.
• High Isolation: 1000MΩ insulation resistance and 1000VAC dielectric strength.

Technical Specifications:

• Coil Voltage: 5V DC
• Coil Resistance: 70Ω ±10%
• Contact Form: SPDT (1 Form C)
• Contact Rating: 5A at 250VAC / 30VDC
• Operate Time: ≤10ms
• Release Time: ≤5ms
• Insulation Resistance: ≥1000MΩ at 500VDC
• Dielectric Strength: 1000VAC (between open contacts)
• Contact Resistance: ≤100mΩ

Mechanical Specifications:

• Type: Electromechanical relay
• Number of Pins: 5
• Terminal Type: PCB through-hole
• Material: Plastic body with silver alloy contacts

Dimensions:

• Length: 19.2mm
• Width: 15.5mm
• Height: 15.5mm
• Pin Pitch: 5mm (standard PCB spacing)

Mounting Options:

• PCB Mount: Direct soldering onto printed circuit boards.
• Horizontal Mount: Suitable for low-profile enclosures.

Schematic Diagram, Connection, Wiring and Pinout:

• Pin 1: Coil Terminal A
• Pin 2: Coil Terminal B
• Pin 3: Common (COM)
• Pin 4: Normally Open (NO)
• Pin 5: Normally Closed (NC)
• Connection: Connect COM to source, NO to load (for active-high logic)

Datasheet/User Manual:

• Download HF33F-Z3 5V Relay Datasheet (PDF)

Applications:

• Microcontroller Projects: On/off switching for high-voltage devices using low-voltage logic.
• Automation Systems: Relay switching in industrial control circuits.
• Home Appliances: Used in washing machines, timers, and control panels.
• Security Systems: Controls sirens, locks, and actuators.
• DIY Electronics: Popular in hobby circuits and Arduino-based builds.

Equivalent:

• SRD-05VDC-SL-C (Songle)
• JQC-3FF-5V
• Omron G5LE-1 5VDC

Package Includes:

• 1 x HF33F-Z3 5V 5A SPDT Relay