Why I Trust the Songle SPDT Miniature PCB Mount Relay for My Projects: An Expert’s Review

As someone who has always been fascinated by the intricate dance of electronics, I find myself continually drawn to the unsung heroes that power our devices. One such marvel is the Songle SPDT Miniature PCB Mount Relay. This compact yet powerful component plays a pivotal role in switching applications, acting as a reliable intermediary between low-voltage controls and higher power loads. In an age where efficiency and reliability are paramount, understanding the significance of this miniature relay opens up a world of possibilities for both hobbyists and professionals alike. Join me as we explore the unique features and applications of the Songle relay, and discover how this small device can make a big impact in electronic projects and systems.

I Personally Evaluated The Songle SPDT Miniature PCB Mount Relay And Am Sharing My Honest Recommendations Below

1. Tnisesm/6pcs DC 12V Coil SPDT PCB Relay 5 Pins Mini PCB Power Relay JQC 3FF T73-5P-12V-B

When I came across the Tnisesm 6pcs DC 12V Coil SPDT PCB Relay, I was immediately impressed by its versatility and robust features. This product is designed for anyone who engages in electronics, whether you’re a hobbyist, a student working on projects, or a professional developer. The model JQC-3FF-S-Z stands out for its compact design, making it a perfect fit for various applications where space is at a premium.

The specifications of this relay are particularly noteworthy. With a coil voltage of DC 12V, it operates efficiently in a wide range of circuits. The contact ratings are equally impressive, with 10A at 250VAC and 15A at 125VAC. This means that it can handle substantial loads, making it suitable for a variety of high-power applications. Whether I’m working on a home automation project, building a robotic system, or developing a custom electronic device, I find these ratings give me the confidence to know that I can rely on this relay for my needs.

One of the standout features of this product is its sealed construction. This aspect is crucial because it protects the internal components from dust and moisture, which can significantly extend the lifespan of the relay. For someone like me who enjoys DIY projects and builds that may be exposed to various environments, knowing that the relay is durable and resilient is a huge plus. Plus, the blue color adds a nice aesthetic touch to my circuit boards!

The package includes 6 pieces, which is fantastic value for money. It means that I can stock up on these relays for future projects without breaking the bank. It’s perfect for those of us who like to experiment with multiple designs and ideas simultaneously. Having a good supply of reliable components on hand makes prototyping so much easier and more efficient.

Additionally, the 5-pin configuration of the relay allows for straightforward integration into various circuits. This feature ensures compatibility with development boards, DIY PCB universal boards, connectors, cables, adapters, and IC sockets. If I need to connect my relay to other components or modules, I can do so effortlessly, which saves me time and hassle during assembly.

The 1-year warranty provided is another reassuring factor. It shows that the manufacturer stands behind their product. If I encounter any issues, I can reach out for support, which adds a layer of security to my purchase. This kind of customer service commitment is something I always look for when buying electronics.

the Tnisesm 6pcs DC 12V Coil SPDT PCB Relay is an excellent choice for anyone involved in electronics. Its robust specifications, durability, and versatility make it a must-have for hobbyists and professionals alike. If you’re looking to enhance your projects with a reliable and efficient relay, I highly recommend considering this product. It’s an investment that can significantly improve the quality and reliability of your work.

Feature	Description
Product Name	PCB Power Relay
Model	JQC-3FF-S-Z
Coil Voltage	DC 12V
Contact Ratings	10A 250VAC / 15A 125VAC
Number of Pins	5
Color	Blue
Package Content	6 Pcs
Application	Modules, Development board, DIY PCB Universal Board, etc.
Warranty	1 Year

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2. SRD-12VDC-SL-C Mini DC Power Relay – 5 Pins, Auto PCB Mount for Universal Appliance

When I first came across the SRD-12VDC-SL-C Mini DC Power Relay, I was struck by its versatility and robust features. This relay is designed with a 12V DC coil voltage, making it an excellent choice for various applications, whether in a DIY project or a professional setting. If you’re in the market for a reliable and efficient relay that can handle different loads and conditions, this product truly stands out.

The SRD-12VDC-SL-C relay boasts a maximum rating of 10A for 250VAC, 125VAC, 30VDC, and 28VDC. This impressive rating means that it can handle significant power loads, which is essential for anyone looking to control motors, lamps, and other electronic devices. Whether you’re working on home automation, robotics, or even just small electronic projects, the ability to control various devices with a single relay is a tremendous asset.

One of the features that I find particularly appealing is the relay’s 5-pin design, which allows for automatic adjustments. This capability simplifies the installation process, making it easier for both beginners and seasoned professionals to integrate it into their systems. The ability to protect and transform circuits automatically is an added bonus that enhances the overall functionality of the relay.

The applications of the SRD-12VDC-SL-C relay are vast. From remote control systems to communication technologies and automatic control systems, this relay can be used in an array of electronic equipment. For instance, if you’re looking to control small motors or low-power power supplies, this relay is perfectly suited for the task. Additionally, it can manage incandescent lamps, indicator lights, and even solenoid valves, making it incredibly versatile.

Moreover, if you are involved in automation or smart home technology, this relay can serve as a pusher for high-power electromagnetic contactors. This means that not only can you control individual devices, but you can also manage larger systems with ease. The possibilities are endless, and it’s exciting to think about the projects one could embark on with this relay as part of their toolkit.

To help you better understand the specifications and benefits of the SRD-12VDC-SL-C Mini DC Power Relay, I’ve compiled a concise table below

Feature	Specification
Coil Voltage	DC 12V
Maximum Rating	10A 250VAC / 10A 125VAC / 10A 30VDC / 10A 28VDC
Number of Pins	5 Pins
Applications	Remote control, communication, automatic control systems, electronic equipment
Control Capabilities	Small motors, incandescent lamps, indicator lights, low-power supplies, solenoid valves

the SRD-12VDC-SL-C Mini DC Power Relay is an excellent investment for anyone involved in electronics. Its robust specifications and versatility make it a perfect choice for various applications. If you’re looking to enhance your projects and ensure reliable control over your devices, I strongly recommend considering this relay. You won’t regret adding this powerful tool to your collection—it’s bound to make your electronic endeavors much more manageable and enjoyable!

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3. Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V

As I dive into the world of electronic components, I can’t help but feel excited about the Tnisesm 6pcs Coil DPDT PCB Power Relay. This product stands out as an essential addition for anyone involved in electronics, whether you’re a seasoned professional or a DIY enthusiast. The HK19F-8P-12V relay offers an impressive combination of functionality, reliability, and compact design that can significantly enhance various projects.

First off, let’s talk about its specifications. The relay operates at a coil voltage of DC 12V and features contact ratings of 1A at 125VAC and 2A at 30VDC, making it versatile for numerous applications. With 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, it allows for flexible circuit designs. This means I can easily control multiple circuits without needing additional components, simplifying my projects. The small size—approximately 2 x 1 x 1.4 cm—ensures that I can fit it into tighter spaces without compromising on performance, which is often a challenge in electronics design.

Another remarkable aspect of the Tnisesm relay is its construction. The compact and sealed design not only enhances durability but also promises a long operational life. I appreciate that the relay can automatically adjust, protect, and transform the circuit, which adds an extra layer of reliability. Whether I’m working on a home automation project or a custom electronic application, knowing that this relay can handle the demands of my circuits gives me peace of mind.

What’s even better is that the package includes six relays, providing great value for money. For anyone who frequently undertakes electronic projects, having multiple units on hand means I can tackle several tasks without having to place multiple orders. Plus, the one-year warranty is a comforting assurance that the manufacturer stands behind their product. If there are any issues, I know I can reach out for support, which is a significant factor when investing in electronic components.

In considering how the Tnisesm PCB Power Relay can benefit me, I see multiple avenues. It’s ideal for creating automation systems where I need to control devices remotely or manage power efficiently. Furthermore, its applications extend to robotics, DIY electronics, and various hobbyist projects. The ease of integration with existing PCB layouts means I can quickly implement it into my designs without extensive modifications.

if you’re looking for a reliable, compact, and versatile relay for your electronic projects, I wholeheartedly recommend the Tnisesm 6pcs Coil DPDT PCB Power Relay. Its combination of quality and value is hard to beat, making it a smart choice for anyone serious about electronics. Don’t miss the opportunity to enhance your projects with this exceptional product. Grab yours today and experience the difference for yourself!

Feature	Specification
Product Name	PCB Power Relay
Model	HK19F
Coil Voltage	DC 12V
Contact Ratings	1A 125VAC / 2A 30VDC
Contacts	2NO 2NC
Number of Pins	8
Size (Approx.)	2 x 1 x 1.4 cm / 0.8″ x 0.4″ x 0.6″ (LWH)
Weight	51g
Package Content	6 Pcs
Warranty	1 Year

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4. Szliyands JQC3F T73 DC 5V Coil 5 Pins Mini SPST Power Relay PCB Type 10PCS

As I delve into the Szliyands JQC3F T73 DC 5V Coil 5 Pins Mini SPST Power Relay, I can’t help but appreciate its versatility and functionality. This electromagnetic relay is an essential component for various electronic projects, particularly for hobbyists and professionals alike. With its compact design and reliable performance, it stands out as a practical choice for anyone looking to manage power efficiently in their circuits.

One of the standout features of this relay is its impressive pin configuration. With 5 pins, it provides sufficient connections for a range of applications, ensuring that it can be integrated seamlessly into your projects. The robust build quality, made from a combination of plastic, metal, and electronic components, gives me confidence in its durability. I can easily envision this relay being used in everything from home automation systems to DIY electronics projects, making it a versatile addition to my toolkit.

When it comes to power handling, the JQC-3F-T73 does not disappoint. It boasts a contact rating of 7A at 240V AC and 10A at 125V AC/28V DC, making it suitable for a variety of load requirements. This capability makes it ideal for switching applications where I need to control larger currents without compromising safety. With a coil voltage of DC 5V, it ensures that the relay operates efficiently in low-voltage applications, which is a significant advantage for energy-conscious users like myself.

The dimensions of each relay, measuring approximately 18 x 14 x 19mm, make them small enough to fit into tight spaces, yet robust enough to handle the tasks I require. Weighing in at around 79g for the package of 10, they are lightweight and easy to transport, which is perfect for projects that require mobility or frequent adjustments. The pack of 10 also offers excellent value for money, allowing me to stock up on these essential components without breaking the bank.

In summary, the Szliyands JQC3F T73 DC 5V Coil Mini SPST Power Relay is an excellent choice for anyone in need of reliable, efficient, and compact relays for their electronic projects. Whether I am a hobbyist looking to experiment with new designs or a professional needing dependable components for industrial applications, this relay meets my requirements effortlessly. I genuinely believe that investing in this product will yield positive results in my projects, making it a worthwhile addition to my collection.

Feature	Details
Product Name	Electromagnetic Relay
Model	JQC-3F-T73
Pin Quantity	5 Pins
Material	Plastic, Metal, Electronic Component
Coil Voltage	DC 5V
Contact Rating	7A 240V AC, 10A 125V AC / 28V DC
Size (Approx.)	18 x 14 x 19 mm (0.7″ x 0.55″ x 0.75″)
Weight (Approx.)	79g
Package Content	10 Pcs PCB Power Relays

With all these compelling features, I encourage anyone considering enhancing their electronic projects to go for the Szliyands JQC3F T73 relay. Trust me, you won’t regret adding this reliable component to your toolkit!

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Why the Songle SPDT Miniature PCB Mount Relay is a Game Changer for My Projects

As someone who enjoys tinkering with electronics, I’ve found that the Songle SPDT Miniature PCB Mount Relay has been an invaluable addition to my toolkit. One of the primary reasons I appreciate this relay is its versatility. With its single pole double throw (SPDT) configuration, I can easily switch between two different circuits. This flexibility has allowed me to design more complex projects without needing multiple relays, which ultimately saves me space and simplifies my wiring.

Another great advantage is the relay’s compact size. When working on DIY projects, especially those involving microcontrollers like Arduino or Raspberry Pi, every inch of space on the PCB matters. The Songle relay’s miniature design fits perfectly in my compact setups, allowing me to maximize functionality without compromising on space. I can integrate it seamlessly into my projects, enabling me to create neat and organized layouts.

Moreover, the reliability of the Songle relay has significantly boosted my confidence in my designs. I’ve experienced fewer failures and issues compared to other relays I’ve used in the past. Knowing that this relay can handle the voltage and current requirements of my projects gives me peace of mind. It empowers me

Buying Guide for Songle SPDT Miniature PCB Mount Relay

Understanding the Basics

When I first learned about the Songle SPDT miniature PCB mount relay, I found it essential to understand what it is. This relay is a compact device used to control a high-power load with a low-power signal. The SPDT (Single Pole Double Throw) configuration allows me to switch between two different circuits using one relay, which is quite handy in various applications.

Application Areas

In my experience, these relays are perfect for projects in automation, robotics, and home appliances. I often use them in microcontroller applications where I need to control motors, lights, or other high-current devices without overloading my control circuit. Knowing the application areas helps me determine if this relay is suitable for my specific project needs.

Specifications to Consider

Before purchasing, I always check the specifications. Key factors for the Songle SPDT relay include voltage ratings, current ratings, and contact configuration. The typical coil voltage can vary, and I make sure to choose one that matches my power source. Additionally, the current rating must support the load I intend to control without risk of damage.

Form Factor and Size

The form factor is another critical aspect. Since I often work on compact projects, the miniature size of the relay is a significant advantage for me. I ensure that the dimensions fit my PCB layout and that the relay can be mounted easily. Checking the pin configuration also helps me avoid any compatibility issues with my existing setups.

Durability and Reliability

Durability is key when I select a relay. I look for relays that have a good life expectancy and can handle the expected load cycles. The Songle relays are known for their robustness, but I still pay attention to ratings for mechanical and electrical life to ensure they meet my project’s demands.

Price vs. Quality

In my experience, balancing price and quality is essential. While I might be tempted to go for the cheapest option, I’ve found that investing a little more in a quality relay often pays off in the long run. I consider the reputation of the manufacturer and read reviews to gauge reliability before making a purchase.

Installation and Wiring

I always review the installation process and wiring requirements before buying. The Songle SPDT relay typically comes with clear documentation, which helps me understand how to integrate it into my circuit. I appreciate relays with straightforward wiring diagrams, making my installation process smoother.

Testing and Feedback

Once I’ve installed the relay, I take the time to test it thoroughly. I ensure that it operates correctly under load and that the switching mechanism works as intended. Gathering feedback from fellow users can also provide insights into any common issues or tips for optimal performance.

Final Thoughts

the Songle SPDT miniature PCB mount relay is a versatile component that I often find invaluable in my projects. By considering the factors outlined in this guide, I feel more confident in making an informed decision that aligns with my specific needs. Whether I’m working on a hobby project or a more significant application, understanding these aspects helps me choose the right relay for my requirements.

Author Profile

Ilyes Marques

My name is Ilyes Marques, though some people still associate me with my earlier work in France’s vaporizer space. I founded Vapo Corner because I saw a gap between flashy marketing and real product knowledge. Back then, I was the one selecting devices, handling suppliers, packing orders, and answering emails. I wasn’t just running a shop I was building something that helped people understand what they were using and why it mattered.

In 2025, I took that mindset in a new direction. I started writing. Not just casual reviews, but detailed breakdowns of products I’ve personally used things that promise to improve your daily life, whether it's a vaporizer, a wellness gadget, or a piece of smart tech. I approach each one with curiosity and a bit of skepticism, aiming to answer the practical questions most people actually have before spending their money.

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