Best PCB Relays: Top 10 Picks to Boost Your Projects

Looking for the best PCB relays to enhance your projects? We’ve compiled a list of the top 10 options to help you choose the perfect one for your needs.

Best PCB Relays make projects easier and more reliable. They are small, strong, and built to last. With the right relay, your circuits run smooth every time.

They switch power fast. They protect your boards. They keep your devices safe.

Choosing the perfect PCB relay gives you confidence. It means your DIY or professional work will perform without fail. Let’s explore the best options so you can pick the one that fits your needs.

List of Top 10 PCB Relays

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

DIY enthusiasts and household appliance repairers will love these PCB power relays. They’re perfect for small projects and easy to use.

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AEDIKO 10pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level AEDIKO 10pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level

This 12V relay module is perfect for anyone who needs a reliable and safe way to control high-power devices with low-power signals. It’s great for DIY projects, CNC machines, Raspberry Pi, and other microcontrollers.

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

This set is perfect for DIY makers, electronics hobbyists, and anyone building or repairing appliance boards. It’s also great for students and engineers who need reliable relays for projects and experiments.

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

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Weasch 6Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (6) Weasch 6Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (6)

This 6-piece PCB power relay set is perfect for DIY enthusiasts and anyone working on household appliance boards. It’s great for controlling small motors, lights, and power supplies in remote control, communication, and automatic systems.

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Tnisesm 6pcs Coil DPDT PCB Power Relay DC 5V 8 Pins Mini Power Relay Tnisesm 6pcs Coil DPDT PCB Power Relay DC 5V 8 Pins Mini Power Relay

This 6-piece mini power relay is perfect for DIY enthusiasts and professionals working on small electronic projects. Its compact design and reliable performance make it ideal for circuit protection and control.

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Tnisesm 6pcs Coil DPDT PCB Power Relay DC 9V 8 Pins Mini Power Relay Tnisesm 6pcs Coil DPDT PCB Power Relay DC 9V 8 Pins Mini Power Relay

This Tnisesm 6pcs Coil DPDT PCB Power Relay is perfect for hobbyists, DIY enthusiasts, and professionals who need reliable and compact power relays for their projects or circuits. It’s ideal for anyone working with DC 9V systems and looking for long-lasting, adjustable protection.

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uxcell 5 Pcs JQC-3FF-S-Z DC 24V Coil SPDT 5 Pin PCB Electromagnetic Power Relay uxcell 5 Pcs JQC-3FF-S-Z DC 24V Coil SPDT 5 Pin PCB Electromagnetic Power Relay

This relay pack is perfect for DIY electronics builders, engineers, and tech hobbyists who need reliable control for motors, fans, lights, and circuits. It’s small, strong, and built to handle high power with stable performance.

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uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F

This set of 10 PCB Power Relays is perfect for DIY electronics builders, engineers, and tech hobbyists who need reliable switching in compact projects. If you want stable performance and easy installation, these relays are made for you.

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

This PCB Power Relay is perfect for DIY enthusiasts and hobbyists working on modules, development boards, or universal PCB projects. It’s also great for professionals needing reliable relays for connectors, cables, or IC sockets.

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Detailed Reviews

Discover the top 10 PCB relays handpicked for reliability and performance. Each product is expert-reviewed and customer-approved, ensuring you find the perfect fit for your projects. Whether you’re a DIY enthusiast or a professional, this guide simplifies your choice with clear, easy-to-read insights.

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

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 for household appliance boards. It operates with a DC 12V coil and handles up to 10A 250VAC, making it perfect for DIY projects and automatic control systems.

This relay is easy to use with 5 pins and an SPDT contact type. It’s widely used in remote control, communication, and electronic equipment.

Pros Cons
  • Strong 10A capacity for reliable power control
  • Versatile SPDT design fits many electronic projects
  • Durable silver alloy contacts ensure long life
  • Perfect for DIY and household appliance boards
  • Not for high-power devices, limited to 10A 250VAC.
  • No mounting hardware included, requires extra parts.
  • Small size may be hard to handle for beginners.

Perfect For:

DIY enthusiasts and household appliance repairers will love these PCB power relays. They’re perfect for small projects and easy to use.

Ready to Purchase?

2. AEDIKO 10pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level

AEDIKO 10pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level

The AEDIKO 10pcs Relay Module is a 12V relay board with 1 channel and optocoupler isolation. It works well with ARM, PIC, AVR, MCU, Raspberry, CNC machines, and PS4.

It has a fault-tolerant design, jumper for high or low signal, and screw terminals for easy wiring. The optocoupler isolation protects your I/O ports from damage.

Pros Cons
  • 12V Relay Module handles high loads safely and efficiently.
  • Optocoupler Isolation protects your I/O ports from damage.
  • Fault-Tolerant Design ensures reliable operation even with issues.
  • Jumper Design lets you customize high or low signal control.
  • Wide Compatibility works with ARM, Raspberry Pi, and more.
  • No built-in protection against reverse polarity or overvoltage.
  • Limited to 12V operation, not suitable for higher voltage projects.
  • No indicator lights for relay status or power connection.

Perfect For:

This 12V relay module is perfect for anyone who needs a reliable and safe way to control high-power devices with low-power signals. It’s great for DIY projects, CNC machines, Raspberry Pi, and other microcontrollers.

Ready to Purchase?

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

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 SRD-05VDC-SL-C is built for reliable switching. It runs on DC 5V coil voltage and handles up to 10A 250VAC with ease.

Use it for DIY projects or professional boards. It’s strong. It’s versatile. It’s ready to power your ideas.

Pros Cons
  • 10A 250VAC capacity for powerful control in household appliances.
  • DC 5V coil ensures low power consumption and efficient operation.
  • SPDT 5-pin design offers versatile connections for DIY projects.
  • Silver alloy contacts guarantee reliable and durable performance.
  • Not waterproof — keep away from moisture
  • Size limits — may not fit all boards
  • Basic design — lacks advanced protection features

Perfect For:

This set is perfect for DIY makers, electronics hobbyists, and anyone building or repairing appliance boards. It’s also great for students and engineers who need reliable relays for projects and experiments.

Ready to Purchase?

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

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 and versatile component for your projects. It comes in a pack of six, offering great value.

This relay has a DC 5V coil and can handle 7A at 240VAC. It features a 5-pin SPDT design, making it easy to integrate. The JQC-3F(T73) model is a popular choice for many applications.

Perfect for breadboards, but check the spacing first. Contact us if you need help. Simple to use and a great addition to your toolkit.

Pros Cons
  • Strong power capacity up to 7A 240VAC
  • Reliable coil voltage at DC 5V
  • Versatile SPDT contact for flexible use
  • Compact 5-pin design fits tight spaces
  • Value pack with 6 relays included
  • Limited to 2.0mm breadboard spacing, check before buying.
  • No mounting hardware included, extra parts needed.
  • Not suitable for high-power or industrial use.

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 simple circuits and prototyping.

Ready to Purchase?

5. Weasch 6Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (6)

Weasch 6Pcs PCB Power Relay SRD-12VDC-SL-C, DC 12V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (6)

The Weasch 6Pcs PCB Power Relay is a reliable and versatile tool for your projects. It comes in a pack of six, making it great for multiple uses. Each relay is designed for easy integration into your circuits.

It works with DC 12V and handles up to 10A at 250VAC, perfect for household appliances. The SPDT contact and 5-pin design ensure smooth operation. Check the dimensions before buying to ensure a perfect fit.

This relay is ideal for DIY enthusiasts and professionals alike. Use it for remote control, automatic systems, or electronic devices. With its silver alloy contacts, it delivers durable performance every time.

Pros Cons
  • 6-pack offers great value for multiple projects.
  • 12V coil works perfectly with common household devices.
  • SPDT contacts handle up to 10A for versatile use.
  • 5-pin design fits standard breadboards easily.
  • Not for high-power devices, limited to 10A.
  • No mounting hardware included, extra parts needed.
  • Small size may be hard to handle for some.

Perfect For:

This 6-piece PCB power relay set is perfect for DIY enthusiasts and anyone working on household appliance boards. It’s great for controlling small motors, lights, and power supplies in remote control, communication, and automatic systems.

Ready to Purchase?

6. Tnisesm 6pcs Coil DPDT PCB Power Relay DC 5V 8 Pins Mini Power Relay

Tnisesm 6pcs Coil DPDT PCB Power Relay DC 5V 8 Pins Mini Power Relay

The Tnisesm 6pcs Coil DPDT PCB Power Relay is a compact and reliable solution for your circuit needs. It comes in a mini size, making it perfect for tight spaces. Each pack includes 6 pieces, ensuring you have enough for multiple projects.

This relay operates at DC 5V and features 8 pins. It has a long operational life and can handle 1A at 125VAC or 2A at 30VDC. Its sealed construction ensures durability and consistent performance.

With a 1-year warranty, you’re covered if any issues arise. The relay automatically adjusts and protects your circuit, making it a smart choice for any project. Trust Tnisesm for quality and reliability.

Pros Cons
  • Compact and sealed design for reliable performance.
  • Long operational life ensures durability and value.
  • Automatic circuit protection and adjustment for safety.
  • 1-year warranty for peace of mind and support.
  • Limited to specific voltage and current ratings.
  • No advanced features like LED indicators or mounting holes.
  • Small size may be hard to handle for some users.

Perfect For:

This 6-piece mini power relay is perfect for DIY enthusiasts and professionals working on small electronic projects. Its compact design and reliable performance make it ideal for circuit protection and control.

Ready to Purchase?

7. Tnisesm 6pcs Coil DPDT PCB Power Relay DC 9V 8 Pins Mini Power Relay

Tnisesm 6pcs Coil DPDT PCB Power Relay DC 9V 8 Pins Mini Power Relay

The Tnisesm 6pcs Coil DPDT PCB Power Relay is built for reliable circuit control. It is compact, sealed, and designed for long use.

With a DC 9V coil voltage, 8 pins, and contact ratings of 1A 125VAC / 2A 30VDC, this relay is powerful yet small. It measures only 2 x 1 x 1.4 cm, making it easy to fit into tight spaces.

It’s strong. It’s safe. It lasts.

Pros Cons
  • Compact and sealed design ensures durability and longevity.
  • 6-piece pack offers great value for multiple projects.
  • Automatic circuit adjustment for reliable performance.
  • 1-year warranty guarantees peace of mind.
  • Limited to specific voltage and current ratings.
  • No mounting hardware included in the package.
  • Small size may be hard to handle for some users.

Perfect For:

This Tnisesm 6pcs Coil DPDT PCB Power Relay is perfect for hobbyists, DIY enthusiasts, and professionals who need reliable and compact power relays for their projects or circuits. It’s ideal for anyone working with DC 9V systems and looking for long-lasting, adjustable protection.

Ready to Purchase?

8. uxcell 5 Pcs JQC-3FF-S-Z DC 24V Coil SPDT 5 Pin PCB Electromagnetic Power Relay

uxcell 5 Pcs JQC-3FF-S-Z DC 24V Coil SPDT 5 Pin PCB Electromagnetic Power Relay

Reliable Power Control: The uxcell JQC-3FF-S-Z is a 5-pin PCB electromagnetic relay designed for DC 24V coil voltage. It offers SPDT contact with a 15A/125VAC or 10A/250VAC capacity, making it ideal for various applications.

Compact and Durable: Measuring just 19 x 15 x 19mm, this black relay is made with flame-retardant PC material, ensuring high strength and heat resistance. Its good metal pins provide stable conductivity and less heat generation.

Versatile Applications: These small relays are perfect for remote control, communication, and automatic systems. Use them for lighting, motors, or electronic equipment. Keep 28mm spacing between relays to avoid overheating.

Pros Cons
  • Strong build with flame-retardant PC material
  • High capacity up to 15A 125VAC / 10A 250VAC
  • Reliable conductivity with stable metal pins
  • Compact size fits tight PCB layouts
  • Versatile use in control, communication, and electronics
  • Needs spacing to avoid overheating
  • Bulky size compared to micro relays
  • Limited voltage range for coil operation

Perfect For:

This relay pack is perfect for DIY electronics builders, engineers, and tech hobbyists who need reliable control for motors, fans, lights, and circuits. It’s small, strong, and built to handle high power with stable performance.

Ready to Purchase?

9. uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F

uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F

The uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F is a reliable and versatile component for your electronics projects. It’s designed to handle power efficiently and fits well in PCB setups.

This relay has a DC 12V coil, 8 pins, and a DPDT contact. It’s compact, measuring just 0.8″ x 0.4″ x 0.6″, and comes in a bright yellow color.

Each pack includes 10 relays, making it a great value for multiple projects. Its lightweight design (49g) ensures easy installation and convenient use.

Pros Cons
  • 10-pack offers great value for multiple projects.
  • Compact size fits easily into tight spaces.
  • DPDT contacts provide versatile switching options.
  • 12V DC coil works with common power supplies.
  • Limited current capacity for high-power applications.
  • Small size may be hard to handle for some.
  • No built-in protection features.

Perfect For:

This set of 10 PCB Power Relays is perfect for DIY electronics builders, engineers, and tech hobbyists who need reliable switching in compact projects. If you want stable performance and easy installation, these relays are made for you.

Ready to Purchase?

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

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

This PCB Power Relay is small, strong, and reliable. It runs on DC 12V and handles up to 15A. You get 6 pieces in one pack.

It has a compact sealed design for easy use in DIY boards and modules. Plus, it comes with a 1-year warranty.

Pros Cons
  • Compact, sealed design ensures reliable performance in various applications.
  • 6-piece pack offers great value for multiple projects.
  • 1-year warranty guarantees peace of mind with every purchase.
  • Versatile use for DIY, modules, and development boards.
  • Not waterproof — avoid damp or wet places
  • Limited use — mainly for DIY and small projects
  • Basic design — lacks advanced features or extras

Perfect For:

This PCB Power Relay is perfect for DIY enthusiasts and hobbyists working on modules, development boards, or universal PCB projects. It’s also great for professionals needing reliable relays for connectors, cables, or IC sockets.

Ready to Purchase?

Buying Guide

Choosing the best PCB relay makes your projects run smoothly. It keeps your circuits safe and reliable. Let’s find the perfect one for you.

Factors to Consider When Buying PCB Relays:

  • Coil Voltage: Pick a relay with the right coil voltage for your project. Common options are 5V, 12V, or 24V. Match it to your power supply for best results.
  • Contact Type: Choose between SPDT (Single Pole Double Throw) or DPDT (Double Pole Double Throw). SPDT is great for simple switching, while DPDT handles more complex tasks.
  • Current and Voltage Rating: Check the relay’s current (A) and voltage (V) ratings. Make sure it can handle your circuit’s load without overheating or failing.
  • Pin Count: Relays come with 5 pins or 8 pins. 5-pin relays are common for basic use, while 8-pin relays offer more flexibility.
  • Size and Design: Consider the relay’s size, especially for tight spaces. Mini relays are compact, while larger ones may offer higher power handling.
  • Isolation Features: Look for relays with optocoupler isolation to protect your circuit from damage. This is key for sensitive projects.
  • Durability: Choose relays with sealed designs and flame-retardant materials for long-lasting performance.
  • Pack Quantity: Buy relays in packs of 6 or 10 for better value. This ensures you have extras for future projects.
  • Warranty: Some relays come with a 1-year warranty. This adds peace of mind and shows the manufacturer’s confidence in their product.