Best PCB Power Relays: Top Picks to Boost Your Electronics

Looking for the best PCB power relays to enhance your electronic projects? Our guide offers a curated list of top picks, key features, and practical uses to help you find the perfect relay for your needs.

PCB power relays are essential components for electronic projects. They control power in household appliances, DIY setups, and industrial systems. Choosing the right relay can boost efficiency and reliability.

These relays come in various types, like SPDT, DPDT, and SPST, each for specific needs. They handle different voltages and currents, making them versatile for multiple applications. Whether you’re a DIY enthusiast or a professional, there’s a relay for you.

Discover the best PCB power relays to elevate your projects. Our guide highlights top picks, key features, and practical uses. Let’s find the perfect relay for your needs!

List of Top 10 PCB Power Relays

Image Title Best For Price
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)

DIY enthusiasts and household appliance repairers will love this product. It’s perfect for small projects and easy to use.

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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)

This set is perfect for DIY makers and tech hobbyists who love simple, strong parts. It works well for anyone who wants easy control of small devices on their projects.

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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 6-piece mini power relay set is perfect for DIY enthusiasts and hobbyists who need reliable circuit control. It’s also great for small projects requiring compact and durable components.

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ABXLNIU 12Pcs DPDT Relay 12V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-12V ABXLNIU 12Pcs DPDT Relay 12V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-12V

This 12V PCB relay is perfect for DIY enthusiasts and hobbyists working on low-power projects. It’s easy to use and fits into a standard IC socket, making it ideal for anyone needing reliable circuit protection.

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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 ideal for professionals needing reliable relays for connectors, cables, or IC sockets.

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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, hobbyists, and professionals who need reliable circuit control. Its compact design and easy integration make it ideal for small projects requiring precise power management.

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

This product is perfect for DIY builders, electronics fans, and anyone who needs a small, strong relay for simple circuit control. It works well for people who want a compact, reliable, and easy-to-use part for their projects.

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

This Weasch 6Pcs 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.

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AZ2150-1A-12DEF (3-Pack) 12VDC 40A SPST 4-Pin PCB Power Relay Compatible with Balboa BFBP20 Spa Control Boards & Zettler AZ2150-1A-12DEF Replacement for Hot Tub Heater Repair AZ2150-1A-12DEF (3-Pack) 12VDC 40A SPST 4-Pin PCB Power Relay Compatible with Balboa BFBP20 Spa Control Boards & Zettler AZ2150-1A-12DEF Replacement for Hot Tub Heater Repair

This 3-pack of AZ2150-1A-12DEF power relays is perfect for DIY enthusiasts and technicians who need reliable spares for hot tub heater repairs. It’s also ideal for anyone maintaining spa control boards or industrial systems.

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Weasch 2Pcs PCB Power Relay SRD-24VDC-SL-C, DC 24V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (2) Weasch 2Pcs PCB Power Relay SRD-24VDC-SL-C, DC 24V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (2)

This product is perfect for DIY enthusiasts and household appliance repairers. It’s great for controlling small motors, lights, and power supplies in automatic systems.

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Detailed Reviews

Discover the top 10 PCB Power Relays carefully selected for reliability and performance. Each product is reviewed for features, value, and ease of use, 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, concise insights.

1. 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 DC 12V Coil relay designed for household appliance boards. It has a 10A 250VAC capacity and is perfect for DIY projects.

It works with small motors, lights, and power supplies. Easy to use, it fits breadboards with 2mm spacing. Six relays are included in the package.

Pros Cons
  • 6-pack of PCB power relays for bulk projects.
  • 12V coil and 10A capacity for reliable control.
  • SPDT type with 5 pins for easy wiring.
  • Versatile use in DIY and household appliances.
  • No mounting hardware included, so you’ll need to buy separately.
  • Not suitable for high-power applications beyond 10A.
  • Limited compatibility with boards not matching 2mm hole spacing.

Perfect For:

DIY enthusiasts and household appliance repairers will love this product. It’s perfect for small projects and easy to use.

Ready to Purchase?

2. 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 your electronic projects. With a DC 12V coil and 10A 250VAC capacity, it’s perfect for household appliance boards and DIY applications.

It’s easy to use, widely compatible, and great for small motors, lamps, and more. Perfect for DIY enthusiasts and automatic control systems.

Pros Cons
  • 10-piece pack offers great value for multiple projects.
  • SPDT contacts handle up to 10A/250VAC for versatile use.
  • 5-pin design fits 2mm breadboards perfectly.
  • DC 12V coil works with common household appliances.
  • Silver alloy contacts ensure reliable performance.
  • Not for high-power devices, limited to 10A.
  • No mounting hardware included, extra parts needed.
  • Small size may be hard to handle for beginners.

Perfect For:

This set is perfect for DIY makers and tech hobbyists who love simple, strong parts. It works well for anyone who wants easy control of small devices on their projects.

Ready to Purchase?

3. 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 a mini power relay with 8 pins. It works with DC 9V and has a compact, sealed design. Each relay measures 0.8″ x 0.4″ x 0.6″ and weighs 51g.

This relay offers long operational life and automatic circuit protection. It comes with a 1-year warranty for peace of mind.

Pros Cons
  • Compact and sealed design for reliable performance.
  • Long operational life ensures lasting use.
  • Automatic adjustment protects and transforms circuits efficiently.
  • 1-year warranty for peace of mind.
  • Not ideal for high‑power loads
  • Small size may feel hard to handle
  • Limited contact rating for bigger projects

Perfect For:

This 6-piece mini power relay set is perfect for DIY enthusiasts and hobbyists who need reliable circuit control. It’s also great for small projects requiring compact and durable components.

Ready to Purchase?

4. ABXLNIU 12Pcs DPDT Relay 12V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-12V

ABXLNIU 12Pcs DPDT Relay 12V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-12V

The ABXLNIU 12Pcs DPDT Relay is a mini PCB power relay designed for low-power projects. It operates with a 12V coil and features 8 pins. Each relay has 2NO and 2NC contacts, making it versatile for various applications.

These relays are high-quality Hui-Kes Brand products. They fit into standard IC sockets, so no special tools are needed. Their compact and sealed design ensures long operational life and reliable performance.

The package includes 12 pieces of these relays. They come in professional anti-static packaging to protect them during shipping. These relays are perfect for circuit protection and transformation in your projects.

Pros Cons
  • Strong 12V coil power
  • Reliable long-life build
  • Easy fit in standard sockets
  • Great for low-power projects
  • Secure sealed design
  • Not for high-power projects, limited to low-power use.
  • No special socket needed, but standard IC socket required.
  • Compact size may be hard to handle for some users.

Perfect For:

This 12V PCB relay is perfect for DIY enthusiasts and hobbyists working on low-power projects. It’s easy to use and fits into a standard IC socket, making it ideal for anyone needing reliable circuit protection.

Ready to Purchase?

5. 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

The Tnisesm 6pcs DC 12V Coil SPDT PCB Relay is a compact and reliable solution for your power relay needs. It comes in a set of 6 pieces, making it perfect for multiple projects. The blue color adds a touch of style to your setup.

This relay has a DC 12V coil voltage and can handle 10A at 250VAC or 15A at 125VAC. It features 5 pins and is designed for easy integration into your projects.

With a sealed construction, it’s ideal for modules, development boards, and DIY PCB projects. It includes a 1-year warranty for peace of mind. Contact us if you have any issues with your order.

Pros Cons
  • Compact and sealed design for reliable performance.
  • High contact ratings: 10A/250VAC and 15A/125VAC.
  • Easy to use with 5 pins and DC 12V coil.
  • Versatile for DIY, modules, and development boards.
  • 1-year warranty for peace of mind.
  • Limited to DC 12V coil voltage, not versatile for all projects.
  • No built-in heat protection for high-load applications.
  • Small size may be hard to handle for beginners.

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 ideal for professionals needing reliable relays for connectors, cables, or IC sockets.

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 operates at DC 5V and features 8 pins, making it easy to integrate. Each relay measures 2 x 1 x 1.4 cm and weighs just 51g, perfect for small projects.

This relay offers long operational life and automatic circuit protection. It comes with a 1-year warranty, ensuring peace of mind with every purchase.

Pros Cons
  • Compact and sealed design for reliable performance.
  • Long-lasting operation with automatic circuit protection.
  • 6-piece pack for great value and convenience.
  • 1-year warranty ensures peace of mind.
  • Limited to specific voltage and current ratings.
  • No advanced features like LED indicators or heat sinks.
  • Small size may be hard to handle for some users.

Perfect For:

This 6-piece mini power relay is perfect for DIY enthusiasts, hobbyists, and professionals who need reliable circuit control. Its compact design and easy integration make it ideal for small projects requiring precise power management.

Ready to Purchase?

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

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

Tnisesm’s 6-piece coil DPDT PCB power relay is a compact and reliable solution for your circuit needs. With a DC 3V coil voltage and 8 pins, it’s perfect for mini power relay applications. Each relay measures 2 x 1 x 1.4 cm and weighs 51g, making it easy to integrate into your projects.

This HK19F-8P-3V model features a sealed construction for long operational life. It can automatically adjust, protect, and transform your circuit, ensuring efficient performance. With a 1-year warranty, you’re covered for any issues.

Pros Cons
  • Small size fits tight spaces with ease
  • Strong contacts for steady, safe power flow
  • Long life for daily, heavy use
  • Sealed build keeps dust and harm out
  • Easy install with clear 8-pin layout
  • 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 product is perfect for DIY builders, electronics fans, and anyone who needs a small, strong relay for simple circuit control. It works well for people who want a compact, reliable, and easy-to-use part for their projects.

Ready to Purchase?

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

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 and efficient solution for household appliance boards. It comes in a pack of 6, making it cost-effective for multiple projects. Each relay is designed to handle high power with ease.

This relay operates on a DC 5V coil and has a 10A 250VAC contact capacity. Its SPDT type and 5-pin design ensure versatile use in various applications.

Perfect for household appliances, this relay is easy to install and built to last. Its compact size and durable construction make it ideal for tight spaces and long-term use.

Pros Cons
  • 6-Pack Value: Get six relays in one convenient package.
  • Versatile Use: Perfect for household appliances and boards.
  • High Capacity: Handles 10A 250VAC with SPDT contacts.
  • Easy Install: 5-pin design fits PCB boards seamlessly.
  • No mounting hardware included, extra purchase needed.
  • Limited to specific voltage, not versatile for all projects.
  • Small quantity, may run out quickly for larger tasks.

Perfect For:

This Weasch 6Pcs 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?

9. AZ2150-1A-12DEF (3-Pack) 12VDC 40A SPST 4-Pin PCB Power Relay Compatible with Balboa BFBP20 Spa Control Boards & Zettler AZ2150-1A-12DEF Replacement for Hot Tub Heater Repair

AZ2150-1A-12DEF (3-Pack) 12VDC 40A SPST 4-Pin PCB Power Relay Compatible with Balboa BFBP20 Spa Control Boards & Zettler AZ2150-1A-12DEF Replacement for Hot Tub Heater Repair

The AZ2150-1A-12DEF (3-Pack) is a high-power relay designed for heavy-duty use. It works with 12VDC and can handle 40A of power. This 4-pin SPST-NO component is perfect for PCB mounting.

It is compatible with Balboa BFBP20 spa controllers and other industrial control boards. This relay is a direct replacement for Zettler AZ2150-1A-12DEF and similar 40A power relays.

The industrial-grade construction ensures long-lasting performance. The fully sealed PBT housing protects against moisture and dust. This 3-pack is ideal for DIY repairs and future maintenance.

Pros Cons
  • High-power 40A relay for heavy-duty applications.
  • Direct replacement for Balboa BFBP20 and Zettler AZ2150-1A-12DEF.
  • Fixes common hot tub heater issues quickly.
  • Durable design with moisture-resistant housing for long-lasting use.
  • Multi-pack for easy DIY repairs and future maintenance.
  • Not for beginners: Requires technical skill for installation.
  • No instructions: DIY repairs need prior knowledge.
  • Limited use: Only for specific systems, not universal.

Perfect For:

This 3-pack of AZ2150-1A-12DEF power relays is perfect for DIY enthusiasts and technicians who need reliable spares for hot tub heater repairs. It’s also ideal for anyone maintaining spa control boards or industrial systems.

Ready to Purchase?

10. Weasch 2Pcs PCB Power Relay SRD-24VDC-SL-C, DC 24V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (2)

Weasch 2Pcs PCB Power Relay SRD-24VDC-SL-C, DC 24V Coil, 10A 250VAC, SPDT, 5 Pin, for Household Appliance Boards (2)

The Weasch 2Pcs PCB Power Relay is a reliable component for household appliance boards. It operates with a DC 24V coil and handles up to 10A at 250VAC. Perfect for SPDT applications, it’s a 5-pin design.

This relay is widely used in remote control, communication, and automatic systems. It can control small motors, lights, and low-power supplies. Ideal for DIY enthusiasts, it’s versatile and easy to use.

Each pack includes 2 relays, making it a great value. Check the dimensions before buying to ensure a perfect fit.

Pros Cons
  • 24V DC coil for reliable power control in appliances.
  • 10A capacity handles high loads with ease.
  • SPDT contact for flexible switching in circuits.
  • 5-pin design fits standard breadboards perfectly.
  • 2-pack offers great value for DIY projects.
  • Not for high-power devices, limited to 10A.
  • No mounting hardware included, requires extra parts.
  • Small size may be hard to handle for beginners.

Perfect For:

This product is perfect for DIY enthusiasts and household appliance repairers. It’s great for controlling small motors, lights, and power supplies in automatic systems.

Ready to Purchase?

Buying Guide

PCB power relays are key parts for electronic projects. They control power in home devices, DIY setups, and industrial systems. Picking the right relay can boost efficiency and reliability.

Choosing the best PCB power relay can be fun and rewarding. Whether you’re a DIY enthusiast or a professional, the right relay can elevate your projects. Let’s explore the factors to consider when buying.

  • Type of Relay:
    SPDT, DPDT, and SPST relays serve different needs. Pick the type that matches your project for best results.

  • Voltage and Current:
    Relays handle specific voltages and currents. Choose one that fits your power requirements to avoid damage.

  • Coil Voltage:
    The coil voltage must match your power source. Common options are DC 3V, 5V, 9V, and 12V.

  • Pin Configuration:
    Relays come with 5-pin or 8-pin designs. Ensure the pin layout works with your circuit board.

  • Size and Design:
    Compact relays save space, while sealed designs offer durability. Pick one that fits your project’s needs.

  • Application:
    Consider if the relay is for household appliances, DIY projects, or industrial systems. Choose one suited for your use.

  • Reliability and Warranty:
    Look for relays with long operational life and automatic protection. A warranty adds peace of mind.

  • Pack Size:
    Relays come in packs of 2, 6, or 12. Buying in bulk can be cost-effective for multiple projects.

  • Brand and Quality:
    Trusted brands like Weasch, Tnisesm, and ABXLNIU offer high-quality relays. Choose a brand known for reliability.

With these factors in mind, you’re ready to find the perfect PCB power relay for your needs. Happy building!