Best PCB Electromagnetic Power Relays

Looking for the best PCB electromagnetic power relays for your project? We’ve curated a list of top picks, key features, and expert tips to help you find the perfect relay for your needs.

PCB Electromagnetic Power Relays are essential components for controlling electrical circuits in various applications. From household appliances to industrial systems, these relays ensure reliable and efficient performance. Whether you’re a DIY enthusiast or a professional, choosing the right relay can make all the difference.

With options like DC 5V and DC 12V coils, SPDT and SPST contacts, and high current ratings, there’s a relay for every need. Brands like Weasch and uxcell offer durable and flame-retardant designs, ensuring safety and longevity. These relays are easy to integrate into your projects, making them a go-to choice for electronics enthusiasts.

Explore our guide to find the perfect relay for your project. Discover top picks, key features, and expert tips to make your next build a success. Let’s get started!

List of Top 10 PCB Electromagnetic Power Relays

Title	Best For	Price
Weasch 6Pcs PCB Power Relay SRD-05VDC-SL-C, DC 5V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (6)	This 6-piece PCB power relay is perfect for anyone working on household appliance boards. It’s ideal for DIY projects or repairs that need reliable power control.	View on Amazon (paid link)
uxcell 5 Pcs JQC-T78-DC12V-C DC 12V Coil SPDT 5 Pin PCB Electromagnetic Power Relay	This PCB Electromagnetic Power Relay is perfect for anyone working with remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment where reliable switching is needed.	View on Amazon (paid link)
uxcell 20 Pcs JQC-T78-DC12V-C DC 12V Coil SPDT 5P PCB Electromagnetic Power Relay Black Color	This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment.	View on Amazon (paid link)
uxcell 10Pcs DC 12V Coil SPDT 5P PCB Electromagnetic Power Relay Black	This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment, offering reliable performance in compact spaces.	View on Amazon (paid link)
Weasch 6Pcs PCB Power Relay JQC-3F(T73), DC 5V Coil, 7A 240VAC, SPDT, 5 Pins (6)	This Weasch 6Pcs PCB Power Relay is perfect for hobbyists, students, and DIY enthusiasts working on electronics projects. It’s ideal for breadboards with 2.0mm spacing, making it easy to use for small-scale circuits.	View on Amazon (paid link)
Weasch 10Pcs PCB Power Relay SRD-05VDC-SL-C, DC 5V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (10)	This product is perfect for DIY enthusiasts and anyone working on household appliance boards. It’s also great for remote control, communication, and automatic control systems.	View on Amazon (paid link)
uxcell 20 Pcs JQC-3FF-S-H DC 12V Coil SPST 4 Pin PCB Electromagnetic Power Relay	This uxcell 20 Pcs JQC-3FF-S-H DC 12V Coil SPST 4 Pin PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment.	View on Amazon (paid link)
Weasch 50Pcs PCB Power Relay JQC-3F(T73), DC 3V Coil, 7A 240VAC, SPDT, 5 Pins	This Weasch 50Pcs PCB Power Relay is perfect for hobbyists, students, and DIY enthusiasts working on electronics projects. It’s ideal for breadboards with 2.0mm spacing, making it easy to use for small-scale circuits.	View on Amazon (paid link)
Weasch 10Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (10)	This product is perfect for DIY enthusiasts and anyone working on household appliance boards. It’s also great for remote control, communication, and automatic control systems.	View on Amazon (paid link)
uxcell 5 Pcs TL-32F-12V-HS DC 12V Coil SPST 4 Pin PCB Electromagnetic Power Relay	This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small projects like lighting lamps, motors, or cooling fans.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 PCB Electromagnetic Power Relays, handpicked for reliability and performance. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your projects. Whether you need durability, efficiency, or affordability, this guide has you covered—start exploring now!

1. Weasch 6Pcs PCB Power Relay SRD-05VDC-SL-C, DC 5V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (6)

The Weasch 6Pcs PCB Power Relay is a reliable component for your household appliance boards. It comes in a pack of six, making it a convenient choice for multiple projects.

With a DC 5V coil and 10A 250VAC capacity, this relay is perfect for various applications. Its SPDT contact type and 5-pin design ensure easy integration into your circuits.

Simple to use, durable, and efficient. A great addition to any electronics toolkit.

Pros	Cons
6-pack of reliable PCB power relays for household appliances. DC 5V coil ensures low power consumption and efficient operation. 10A 250VAC capacity handles high-power devices with ease. SPDT 5-pin design offers versatile and easy integration into boards.	No mounting hardware included, extra purchase needed. Limited compatibility with non-standard household appliances. No protection against high temperatures or moisture.

Perfect For:

This 6-piece PCB power relay is perfect for anyone working on household appliance boards. It’s ideal for DIY projects or repairs that need reliable power control.

Ready to Purchase?

View Price on Amazon (paid link)

2. uxcell 5 Pcs JQC-T78-DC12V-C DC 12V Coil SPDT 5 Pin PCB Electromagnetic Power Relay

The uxcell 5 Pcs JQC-T78-DC12V-C is a DC 12V Coil SPDT 5 Pin PCB Electromagnetic Power Relay. It’s compact and reliable, perfect for various applications.

High-quality materials ensure durability and safety. The PC surface is flame retardant and heat resistant. Good metal pins provide stable conductivity with less heat.

Widely used in remote control, communication, and automatic systems. Suitable for small motors, fans, and lighting. Recommended spacing of 9mm prevents overheating.

Pros	Cons
Compact and lightweight design for easy installation. Flame-retardant material ensures safety and durability. High conductivity with stable resistance for reliable performance. Versatile use in remote control, communication, and automatic systems.	Close spacing causes high heating—9mm gap needed. No built-in heat protection for high-temp use. Limited to DC 12V—not for other voltages.

Perfect For:

This PCB Electromagnetic Power Relay is perfect for anyone working with remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment where reliable switching is needed.

Ready to Purchase?

View Price on Amazon (paid link)

3. uxcell 20 Pcs JQC-T78-DC12V-C DC 12V Coil SPDT 5P PCB Electromagnetic Power Relay Black Color

Power up your projects with the uxcell 20 Pcs JQC-T78-DC12V-C relays. These DC 12V coil relays are SPDT with 5 pins.

Small but mighty, these relays handle 20A and 125VAC. They are flame retardant and high-temperature resistant. Good metal pins ensure stable performance.

Widely used in remote control and automatic systems. Easy to install, but leave 62mm spacing between relays. 20 pieces in the package.

Pros	Cons
20-piece pack offers great value for multiple projects. Flame-retardant material ensures safety and durability. High conductivity with stable resistance for reliable performance. Versatile use in remote control, automation, and electronics.	Close spacing causes high heating—62mm gap needed. No built-in heat protection for high-temp use. Limited to DC 12V—not for higher voltage needs.

Perfect For:

This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment.

Ready to Purchase?

View Price on Amazon (paid link)

4. uxcell 10Pcs DC 12V Coil SPDT 5P PCB Electromagnetic Power Relay Black

The uxcell 10Pcs DC 12V Coil SPDT 5P PCB Electromagnetic Power Relay is a reliable and compact solution for your electrical needs. It operates on a DC 12V coil voltage and handles up to 20A of current, making it versatile for various applications. Its SPDT contact ensures efficient switching in your circuits.

Made with high-strength PC material, this relay is flame retardant and heat resistant, ensuring durability and safety. The good metal pins provide stable conductivity with less heat, making it ideal for long-term use.

Use it for lighting, motors, or automatic systems. Keep 56mm spacing between relays to avoid overheating. Perfect for remote control and communication projects.

Pros	Cons
High-strength, flame-retardant surface for safety and durability. Stable resistance and less heat with good metal pins. Versatile use in remote control, communication, and automatic systems. Compact size, easy to install in tight spaces.	Close spacing causes high heating; 56mm gap needed. No built-in heat protection for multiple relays. Small size may be hard to handle for some users.

Perfect For:

Ready to Purchase?

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5. Weasch 6Pcs PCB Power Relay JQC-3F(T73), DC 5V Coil, 7A 240VAC, SPDT, 5 Pins (6)

The Weasch 6Pcs PCB Power Relay is a reliable component for your projects. It has a DC 5V coil and can handle 7A at 240VAC.

This SPDT relay comes with 5 pins and works well with breadboards. Each pack includes 6 pieces, perfect for multiple uses.

Easy to use, durable, and versatile. Great for DIY electronics and prototyping.

Pros	Cons
6-piece pack for multiple projects, great value for money. SPDT contact type for versatile circuit control. 5V DC coil voltage, perfect for low-power applications. 7A 240VAC capacity, handles high loads with ease. 5-pin design, easy to integrate into breadboards.	Limited to 2.0mm breadboard spacing, check before buying. No mounting hardware included, extra parts needed. Not suitable for high-power applications beyond 7A.

Perfect For:

This Weasch 6Pcs PCB Power Relay is perfect for hobbyists, students, and DIY enthusiasts working on electronics projects. It’s ideal for breadboards with 2.0mm spacing, making it easy to use for small-scale circuits.

Ready to Purchase?

View Price on Amazon (paid link)

6. Weasch 10Pcs PCB Power Relay SRD-05VDC-SL-C, DC 5V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (10)

The Weasch 10Pcs PCB Power Relay is a reliable component for your projects. It has a DC 5V coil and can handle 10A 250VAC. Perfect for household appliance boards.

This relay is easy to use and widely applicable. It works with breadboards and various systems. Great for DIY enthusiasts and professionals.

With 10 pieces in the pack, you get great value. Each relay is durable and efficient. Ideal for controlling motors, lights, and more.

Pros	Cons
10A 250VAC capacity for powerful control in household devices. DC 5V coil works with common power sources for easy use. SPDT 5-pin design fits breadboards and DIY projects perfectly. Silver alloy contacts ensure reliable and long-lasting performance.	Not for high-power devices, limited to 10A 250VAC. No mounting hardware included, requires extra parts. Small size may be tricky for beginners to handle.

Perfect For:

This product is perfect for DIY enthusiasts and anyone working on household appliance boards. It’s also great for remote control, communication, and automatic control systems.

Ready to Purchase?

View Price on Amazon (paid link)

7. uxcell 20 Pcs JQC-3FF-S-H DC 12V Coil SPST 4 Pin PCB Electromagnetic Power Relay

Uxcell 20 Pcs JQC-3FF-S-H Relays are compact and reliable. They work with DC 12V power. Each relay has 4 pins and handles 15A/125VAC or 10A/250VAC.

These relays are flame retardant and heat resistant. They have good conductivity and stable performance. Perfect for remote control and automatic systems.

Use them for lighting, motors, or fans. Keep 54mm spacing when installing multiple relays. This prevents overheating and ensures safety.

Pros	Cons
20-piece pack for bulk projects and replacements. Flame-retardant material ensures safety and durability. Wide application in remote control, lighting, and motors. Stable performance with good conductivity and less heat.	Requires 54mm spacing to avoid overheating when installed close together. Limited to DC 12V coil voltage, not suitable for higher voltage needs. Small size may be hard to handle for some users.

Perfect For:

This uxcell 20 Pcs JQC-3FF-S-H DC 12V Coil SPST 4 Pin PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small motors, cooling fans, and electronic equipment.

Ready to Purchase?

View Price on Amazon (paid link)

8. Weasch 50Pcs PCB Power Relay JQC-3F(T73), DC 3V Coil, 7A 240VAC, SPDT, 5 Pins

The Weasch 50Pcs PCB Power Relay is a reliable and versatile component. It features a DC 3V coil and handles up to 7A at 240VAC. Perfect for breadboards with 2.0mm spacing.

This relay has a 5-pin SPDT design, making it easy to use. Each pack includes 50 pieces, offering great value. Check your breadboard spacing before buying to ensure a perfect fit.

Need help? Contact us with any questions. This product is ideal for DIY projects and electronics enthusiasts.

Pros	Cons
50-piece pack offers great value for multiple projects. SPDT contact ensures versatile switching capabilities. DC 3V coil works efficiently with low power consumption. 7A 240VAC capacity handles high loads reliably. 5-pin design fits standard breadboards with 2.0mm spacing.	Limited to 2.0mm breadboard spacing, check before buying. No mounting hardware included, extra purchase may be needed. Bulk pack of 50, may be too many for small projects.

Perfect For:

This Weasch 50Pcs PCB Power Relay is perfect for hobbyists, students, and DIY enthusiasts working on electronics projects. It’s ideal for breadboards with 2.0mm spacing, making it easy to use for small-scale circuits.

Ready to Purchase?

View Price on Amazon (paid link)

9. Weasch 10Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (10)

The Weasch 10Pcs PCB Power Relay is a reliable and versatile component. It works with DC 12V and handles up to 10A 250VAC. Perfect for household appliance boards.

This relay has a 5-pin SPDT design and uses silver alloy contacts. It’s great for DIY projects and automatic control systems. Check the dimensions before buying.

The pack includes 10 relays, making it a cost-effective choice. Ideal for remote control, communication, and electronic equipment. A must-have for DIY enthusiasts.

Pros	Cons
10-piece pack for multiple projects and replacements. 12V DC coil works with common household appliances. 10A 250VAC capacity handles high-power tasks easily. SPDT 5-pin design fits various DIY and control systems.	No mounting hardware included, extra parts needed. Not suitable for high-power applications, check specs carefully. Limited compatibility, measure breadboard holes first.

Perfect For:

This product is perfect for DIY enthusiasts and anyone working on household appliance boards. It’s also great for remote control, communication, and automatic control systems.

Ready to Purchase?

View Price on Amazon (paid link)

10. uxcell 5 Pcs TL-32F-12V-HS DC 12V Coil SPST 4 Pin PCB Electromagnetic Power Relay

Reliable and compact, the uxcell TL-32F-12V-HS relay is perfect for small-scale electrical projects. It operates on DC 12V and handles up to 10A at 125VAC. Each pack includes 5 pieces, ready for your needs.

Flame-retardant and heat-resistant, this relay ensures safety and durability. Use it for lighting, motors, or remote control systems with ease.

Pros	Cons
5-Pack Value: Get five relays in one convenient package. High-Temp Resistance: Flame-retardant material ensures safety and durability. Versatile Use: Perfect for lighting, motors, and control systems. Stable Performance: Good conductivity with less heat for reliable operation.	Close spacing causes high heating—57mm gap needed. Limited capacity for high-power devices—check specs first. No built-in heat protection—monitor usage carefully.

Perfect For:

This PCB Electromagnetic Power Relay is perfect for anyone working on remote control, communication, or automatic control systems. It’s ideal for small projects like lighting lamps, motors, or cooling fans.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Choosing the right PCB electromagnetic power relay is easy with our guide. We’ll help you find the perfect fit for your project. Let’s get started!

Factors to Consider When Buying PCB Electromagnetic Power Relays

Coil Voltage:
Choose DC 3V, 5V, or 12V based on your power source. Match it to your system for reliable performance.
Contact Type:
Decide between SPDT (for switching between two circuits) or SPST (for on/off control). Pick what fits your project best.
Current Rating:
Look for relays that handle your required amperage (e.g., 7A, 10A, 20A). Higher ratings mean more power capacity.
Pin Count:
Common options are 4-pin or 5-pin relays. Ensure compatibility with your circuit board.
Material Quality:
Opt for flame-retardant and heat-resistant materials like PC for safety and durability.
Brand Reliability:
Trusted brands like Weasch and uxcell offer durable and efficient relays for peace of mind.
Pack Size:
Choose packs of 5, 10, 20, or 50 based on your project needs. Bulk packs save time and money.
Application:
Consider if it’s for household appliances, remote control, lighting, or automatic systems. Pick a relay suited for your use.
Spacing Requirements:
Follow recommended spacing (e.g., 54mm, 56mm) to prevent overheating and ensure safety.
Ease of Integration:
Look for relays that are easy to install and work well with breadboards or PCB boards.

With these factors in mind, you’ll find the perfect relay for your project. Happy building!