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Dorhea 12Pcs JQC-3F 12V SPST Power Relay Module PCB Type DC 12 Volt Coil 5 Pins Mini SPST Power Coil Relay Electric Circuit Protection
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Dorhea 12Pcs JQC-3F 12V SPST Power Relay Module PCB Type DC 12 Volt Coil 5 Pins Mini SPST Power Coil Relay Electric Circuit Protection
Compact and sealed construction. Easy to wire. Built-in circuit protection. Can be widely applied in different electronic applications
Dorhea 12Pcs JQC-3F 12V SPST Power Relay Module PCB Type DC 12 Volt Coil 5 Pins Mini SPST Power Coil Relay Electric Circuit Protection
Item #: 44839988

Dorhea 12Pcs JQC-3F 12V SPST Power Relay Module PCB Type DC 12 Volt Coil 5 Pins Mini SPST Power Coil Relay Electric Circuit Protection

Item #: 44839988
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Compact and sealed construction. Easy to wire. Built-in circuit protection. Can be widely applied in different electronic applications
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What Stands Out

High Reliability
With SPST configuration, these relays ensure secure switching, making them ideal for circuit protection in low-voltage applications, enhancing system safety and performance.
Compact Design
The mini PCB type allows for space-efficient installation, making it perfect for small projects and tight enclosures without compromising functionality or reliability.
Easy Integration
Designed to work with standard 5V power supplies, this relay module simplifies integration into various electronic systems, catering to hobbyists and professionals alike.

Product Details

Shop Dorhea 12Pcs JQC-3F 12V SPST Power Relay Module PCB Type DC 12 Volt Coil 5 Pins Mini SPST Power Coil Relay Electric Circuit Protection online at a best price in UK. B097JHYC5N
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Hobbyist Engineers

    Ideal for DIY electronics projects requiring reliable switching functionalities at a low voltage.

  • Automated Systems

    Great for use in automated systems that need to control high-power devices with low voltage signals.

  • Arduino Users

    Perfectly compatible with Arduino for controlling various devices and appliances using simple coding.

Not Suitable For
  • High Voltage Applications

    Not suitable for systems requiring high voltage relays or heavy-duty applications beyond the specified ratings.

  • Non-Technical Users

    Users without electronics knowledge may find installation and usage challenging or confusing.

  • Quick Switching Needs

    Not ideal for applications requiring fast switching times due to inherent relay delay.

Product Description

Dorhea 12Pcs JQC-3F 12V SPST Power Relay Module PCB Type DC 12 Volt Coil 5 Pins Mini SPST Power Coil Relay Electric Circuit Protection

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Customer Questions & Answers

  • Question: What is the 12Pcs JQC-3F 5V SPST Power Relay Module used for?

    Answer: The 12Pcs JQC-3F 5V SPST Power Relay Module is primarily used to control high-voltage devices using a low-voltage signal. This module is ideal for automation projects, where it acts as an interface between microcontrollers and other high-power devices like motors, lamps, or any appliances that require electrical isolation. The 5V coil ensures compatibility with most microcontrollers, making it perfect for DIY electronics, home automation, and robotics.
  • Question: How does the SPST design of this relay module work?

    Answer: SPST stands for Single Pole Single Throw, which means the relay can either be in an 'on' or 'off' state, controlling the flow of electricity. When the relay is activated by a low-voltage signal, it closes the circuit, allowing current to flow through the connected device. This design is straightforward and effective for applications where simple on/off control is sufficient, such as turning on lights or triggering alarm systems.
  • Question: What are the specifications of the JQC-3F relay module?

    Answer: The JQC-3F relay module operates at 5V DC with a 5-pin configuration. Each relay can handle up to 10A at 250V AC or 10A at 30V DC, allowing it to control a wide range of electrical devices. The PCB type design ensures durability and ease of integration into projects, making it a versatile choice for hobbyists and engineers alike. The compact size also saves space in your project setup, enhancing portability and convenience.
  • Question: Can I use this relay with Arduino?

    Answer: Yes, the 12Pcs JQC-3F 5V SPST Power Relay Module is highly compatible with Arduino and other microcontrollers. It can be easily connected to digital pins, allowing you to control various devices based on your programming logic. This compatibility makes it ideal for automation projects, such as controlling lights or motors, and even for building small robots that require on/off control of multiple components.
  • Question: Does this module require additional components to operate?

    Answer: While the 12Pcs JQC-3F relay module can operate independently, it is recommended to use a flyback diode for protection against voltage spikes when the relay is deactivated. This protects your microcontroller from potential damage caused by inductive kickback. Also, a power source capable of supplying the necessary 5V DC should be utilized to ensure reliable performance. These additional components will enhance the overall efficiency and longevity of your system.
  • Question: What are the practical applications for this relay module?

    Answer: This relay module is widely used in automation systems, home security applications, irrigation control systems, and even in industrial settings for machinery control. For example, you can use it to control garden watering systems, where specific triggers from soil moisture sensors can start or stop water flow. Additionally, it’s useful in smart home projects where devices need to be controlled remotely via IoT systems or mobile applications.
  • Question: Is this power relay module safe for beginners?

    Answer: Yes, the 12Pcs JQC-3F relay module is generally considered user-friendly, making it suitable for beginners. Its clear pin configuration and ability to interface with low-voltage signals allow newcomers to experiment with electronics safely. With proper setup and attention to soldering and circuit construction, beginners can successfully implement it in various projects without extensive knowledge of electrical engineering.
  • Question: What is the typical lifespan of the JQC-3F relay module?

    Answer: The lifespan of the JQC-3F relay module can generally be quite extensive when used within its specified ratings. Relay contacts can endure millions of operations under ideal conditions. Under typical operating conditions and proper usage, you can expect a long operational life, especially when avoiding over-voltage or over-current situations that could lead to premature wear. Regular maintenance and checking for signs of wear can help extend its usability.
  • Question: What is the input voltage requirement of the relay module?

    Answer: The JQC-3F relay module requires a 5V DC input to operate effectively. This specification ensures that the relay can be activated with low-power control signals commonly output by various microcontrollers, such as Arduino or Raspberry Pi. It is essential to provide a stable power supply within this voltage range to ensure reliable switching performance and avoid unexpected behavior during operations.
  • Question: Where can I buy the 12Pcs JQC-3F 5V SPST Power Relay Module in UK?

    Answer: You can purchase the 12Pcs JQC-3F 5V SPST Power Relay Module from Ubuy in UK. Ubuy offers a convenient shopping experience, providing a range of electronics and components for projects. Their platform allows you to easily explore product specifications, customer reviews, and other related items that might interest you, making it a great choice for your electronics needs.

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Features & Benefits

  • Compact and sealed construction
  • Easy to wire
  • Built-in circuit protection
  • Wide applicability in electronic applications
  • Long operational life
  • Automatic adjustment, protection, and circuit transformation

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