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SPDT Relay 5VDC - PCB Mount 5 pin

SKU: E8LO16C1M1
★★★★ ★ ★
4.5 (32 reviews)
The SPDT Relay 5VDC – PCB Mount 5 Pin is a compact electromechanical relay designed for switching high-voltage or high-current loads using a low-voltage 5V DC coil. Featuring a Single Pole Double Throw (SPDT) contact configuration, the relay provides Normally Open (NO), Normally Closed (NC), and Common (COM) terminals, making it suitable for applications requiring flexible switching between two circuits....
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The SPDT Relay 5VDC – PCB Mount 5 Pin is a compact electromechanical relay designed for switching high-voltage or high-current loads using a low-voltage 5V DC coil. Featuring a Single Pole Double Throw (SPDT) contact configuration, the relay provides Normally Open (NO), Normally Closed (NC), and Common (COM) terminals, making it suitable for applications requiring flexible switching between two circuits. It is commonly available in the industry-standard SRD-05VDC-SL-C form factor and is widely used in automation, power control, consumer electronics, and embedded systems.

Designed for through-hole PCB mounting, the relay supports switching loads up to 10A at 250VAC or 30VDC while maintaining electrical isolation between the control and load circuits. Its sealed construction, low coil power consumption, and long mechanical life make it ideal for Arduino relay circuits, home appliances, industrial control systems, power supplies, and DIY electronics projects.

Key Features

  • Single Pole Double Throw (SPDT) contact configuration
  • 5V DC coil operation
  • PCB through-hole mounting
  • Standard 5-pin package
  • Normally Open (NO), Normally Closed (NC), and Common (COM) contacts
  • Switching capacity up to 10A
  • Supports AC and DC load switching
  • Compact and space-saving design
  • Sealed enclosure for improved reliability
  • Low coil power consumption
  • High dielectric isolation between coil and contacts
  • Long mechanical and electrical life
  • Suitable for microcontroller-based switching circuits
  • Ideal for automation, home appliances, and industrial control

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Relay Type: Electromechanical Power Relay
Contact Configuration: SPDT (1 Form C)
Number of Pins: 5
Mounting Type: Through-Hole PCB Mount
Coil Voltage: 5V DC
Nominal Coil Power: Approximately 0.36W to 0.45W
Coil Resistance: Approximately 70Ω
Coil Current: Approximately 70–72mA
Rated Contact Current: 10A
Maximum Switching Voltage: 250VAC / 30VDC
Contact Material: Silver Alloy
Contact Resistance: Maximum 100mΩ
Operate Time: Maximum 10ms
Release Time: Maximum 10ms
Insulation Resistance: Minimum 100MΩ at 500VDC
Dielectric Strength: 1500VAC (Coil to Contacts)
Mechanical Life: Up to 10 Million Operations
Electrical Life: Up to 100,000 Operations (Rated Load)
Operating Temperature: -25°C to +70°C
Dimensions: Approximately 19mm × 15.5mm × 15mm
Weight: Approximately 10g
Housing Material: Flame-Retardant Plastic
Applications: PCB Mounting, Automation, Industrial Control, Consumer Electronics

Additional Resources

SPDT Relay.PDF

FAQ

1. What is a SPDT 5V Relay used for?

A SPDT 5V relay is used to switch high-voltage or high-current AC/DC loads using a low-voltage control signal. It is commonly used in automation systems, home appliances, motor control, lighting control, and microcontroller projects.

2. What does SPDT mean?

SPDT stands for Single Pole Double Throw, meaning the relay has one common terminal that can switch between two outputs: Normally Open (NO) and Normally Closed (NC).

3. How much load can this 5V relay switch?

The relay can typically switch loads up to 10A at 250VAC or 10A at 30VDC, depending on the load type and operating conditions.

4. Can this relay be controlled using Arduino or ESP32?

Yes. The relay can be controlled using Arduino, ESP32, STM32, Raspberry Pi, or other microcontrollers. However, because the coil requires around 70mA, it should be driven through a transistor or relay driver circuit rather than directly from a GPIO pin.

5. What is the difference between the NO and NC terminals?

The Normally Open (NO) terminal is disconnected from the Common (COM) terminal until the relay coil is energized. The Normally Closed (NC) terminal is connected to COM when the relay is de-energized and disconnects when the relay is activated.