Best Miniature PCB Relays: Top 10 Picks for Your Projects

Looking for the best miniature PCB relays? We’ve curated a list of the top 10 options to help you find the perfect fit for your small-scale electronics projects.

Miniature PCB relays are essential components for small-scale electronics projects. They offer reliable performance in a compact design, making them perfect for tight spaces.

These relays handle low to high power loads and work with various voltages, ensuring versatility for different applications. They’re easy to install and built to last, giving you peace of mind.

Whether you’re a DIY enthusiast or a professional, finding the right relay can transform your project. Let’s explore the best options to power your ideas with confidence.

List of Top 10 Miniature PCB Relays

Title	Best For	Price
Finder 40.52.8.120.0000 2-Pole 8-Amp 250V Miniature PCB Plug-In Relay	The Finder 40.52.8.120.0000 is perfect for anyone needing a compact, reliable relay for low-power projects. It’s ideal for PCB designs requiring 2-pole switching at 8 amps and 250V.	View on Amazon (paid link)
Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay HK19F-8P-12V	This 6-piece mini power relay is perfect for DIY enthusiasts and hobbyists who need reliable circuit control. It’s ideal for small projects requiring automatic adjustments and protection.	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 household appliance repairers. It’s great for controlling small motors, lights, and power supplies.	View on Amazon (paid link)
Tnisesm 6pcs Coil DPDT PCB Power Relay DC 5V 8 Pins Mini Power Relay	This Tnisesm 6pcs Coil DPDT PCB Power Relay is perfect for hobbyists, DIY enthusiasts, and professionals who need reliable, compact, and durable relays for their projects. Whether you’re building circuits, automating systems, or repairing electronics, these mini power relays offer easy integration and long-lasting performance.	View on Amazon (paid link)
Finder, 40.52.9.024.0000, DPDT, 8A, 24V DC Coil, AgNi Contact, Miniature PCB/Plug-in Relay	This miniature PCB/plug-in relay is perfect for engineers and hobbyists who need a reliable, compact solution for their projects. It’s ideal for low-voltage applications requiring precise control.	View on Amazon (paid link)
Finder Power Relay Dpdt-2Co 24Vdc, 8A, Pc Board – 40.52.7.024.0000	This Finder Power Relay is perfect for anyone needing a reliable, compact relay for their PCB projects. It’s ideal for low-voltage applications like automation, control systems, or DIY electronics.	View on Amazon (paid link)
FINDER 40.52.8.024.0000 POWER RELAY, DPDT-2CO, 24VAC, 15A, PCB (10 pieces)	Electronics hobbyists, small repair techs, and DIY circuit makers who build or fix custom PCB projects will love this 10-pack of FINDER 40.52.8.024.0000 power relays. Each 24VAC DPDT 15A PCB relay fits standard board layouts for reliable, low-cost switching in small builds.	View on Amazon (paid link)
JQX-102F 12VDC 20A 4Pins PCB Miniature High Power Relay for Air Conditioner Motherboard Compressor Water Heater	The JQX-102F 12VDC relay is perfect for anyone needing a reliable, high-power solution for air conditioners, compressors, or water heaters. Its easy installation and durable design make it ideal for both beginners and experts.	View on Amazon (paid link)
5pcs JS1-12V-F 12VDC Coil Power Relay, SPDT (1 Form C) 5-Pin PCB Through-Hole, Sealed, 10A 250VAC / 5A 30VDC, Replacement Relay for Control Board Circuit Switching	This 5-piece relay set is perfect for anyone repairing control boards in appliances, office machines, or vending equipment. It’s ideal for those who need a reliable replacement for a 12V DC relay with exact specs and easy soldering.	View on Amazon (paid link)
ABXLNIU 12Pcs DPDT Relay DC 5V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-5V	This 12-piece DPDT 5V relay set is perfect for DIY electronics hobbyists and small circuit builders working on low-power projects. The relays fit standard IC sockets, so you don’t need special parts to use them.	View on Amazon (paid link)

Detailed Reviews

We selected the top 10 Miniature PCB Relays. Our expert tests and real user reviews back each choice. You get clear features, performance, and value details. Find your perfect relay with our easy guide.

1. Finder 40.52.8.120.0000 2-Pole 8-Amp 250V Miniature PCB Plug-In Relay

The Finder 40.52.8.120.0000 is a 2-pole miniature PCB relay. It’s designed for small spaces and reliable performance.

This relay handles 8 amps and works with 250V or 120V AC. It’s perfect for low-power applications.

Easy to install, compact size, durable design.

Pros	Cons
Compact design fits easily into tight spaces. Handles 8-Amp loads for reliable performance. Works with 250V and 120V AC systems. Plug-in relay for quick and easy installation.	Limited to specific voltage and current ranges. Not suitable for high-power applications. May require additional components for complex setups.

Perfect For:

The Finder 40.52.8.120.0000 is perfect for anyone needing a compact, reliable relay for low-power projects. It’s ideal for PCB designs requiring 2-pole switching at 8 amps and 250V.

Ready to Purchase?

View Price on Amazon (paid link)

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

The Tnisesm 6pcs Coil DPDT PCB Power Relay is a compact and reliable solution for your circuit needs. With a DC 12V coil voltage, it’s perfect for small-scale projects.

This 8-pin mini power relay comes in a set of 6, offering long operational life and automatic circuit protection. Its sealed construction ensures durability in various applications.

Easy to use, lightweight, and backed by a 1-year warranty. Contact us if you have any issues with your order.

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.	Low load capacity limits use in heavy-duty power setups. Needs direct soldering onto custom electronic circuit boards. Requires a steady 12V DC power source to run.

Perfect For:

This 6-piece mini power relay is perfect for DIY enthusiasts and hobbyists who need reliable circuit control. It’s ideal for small projects requiring automatic adjustments and protection.

Ready to Purchase?

View Price on Amazon (paid link)

3. 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 component for your projects. It’s designed for household appliance boards and other electronic systems.

DC 12V coil and 10A 250VAC capacity make it versatile. It has 5 pins and an SPDT contact type. Perfect for small motors and indicator lights.

DIY enthusiasts will find it easy to use. Check relay dimensions before buying. Comes in a pack of 10 for convenience.

Pros	Cons
10-piece pack offers great value for multiple projects. 12V coil works perfectly with common household appliances. SPDT contact handles up to 10A 250VAC for versatile use. 5-pin design fits easily into breadboards and PCB boards. Silver alloy contacts ensure reliable performance and durability.	Check your board hole sizes before buying this pack. Not meant for heavy high-power electrical gear. Comes as a fixed batch of ten relays.

Perfect For:

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

Ready to Purchase?

View Price on Amazon (paid link)

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

Upgrade your electronics with this 6-pack of 5V power relays. These compact switches give you reliable circuit control in a tiny footprint.

They fit standard 8-pin setup designs with ease. You get durable protection built for daily performance. Try this simple set to power your projects today!

Pros	Cons
Reliable performance with a long operational life. Compact size fits into tight circuit spaces. Sealed build protects internal parts from dust. Auto adjusts circuits for safe power control. One-year warranty gives total peace of mind.	Limited to specific voltage and current ratings. No advanced features like LED indicators or mounting holes. Small size may make installation tricky for some users.

Perfect For:

This Tnisesm 6pcs Coil DPDT PCB Power Relay is perfect for hobbyists, DIY enthusiasts, and professionals who need reliable, compact, and durable relays for their projects. Whether you’re building circuits, automating systems, or repairing electronics, these mini power relays offer easy integration and long-lasting performance.

Ready to Purchase?

View Price on Amazon (paid link)

5. Finder, 40.52.9.024.0000, DPDT, 8A, 24V DC Coil, AgNi Contact, Miniature PCB/Plug-in Relay

This miniature relay controls power fast. It runs on clean 24V DC.

Each pack has 10 relays. They fit small circuit boards. You get strong metal contacts.

Pros	Cons
Get great value with this bulk 10-pack set. Compact design fits tight circuit board spaces with ease. Heavy-duty 8A switching power handles tough electrical loads. Reliable 24V DC coil delivers smooth daily power. High-grade AgNi contacts resist wear and tear.	Limited to specific voltage and current ratings. Bulk purchase required, not ideal for small projects. Miniature size may be challenging for some setups.

Perfect For:

This miniature PCB/plug-in relay is perfect for engineers and hobbyists who need a reliable, compact solution for their projects. It’s ideal for low-voltage applications requiring precise control.

Ready to Purchase?

View Price on Amazon (paid link)

6. Finder Power Relay Dpdt-2Co 24Vdc, 8A, Pc Board – 40.52.7.024.0000

The Finder Power Relay is a compact and reliable solution for your circuit needs. It belongs to the Series 40 range, offering a miniature design that fits perfectly on a PCB.

This DPDT relay handles 8 Amps with a 24V DC coil, ensuring efficient and safe operation. Its AgNi contacts provide durability and consistent performance.

Pros	Cons
Reliable 24V power keeps your boards running smoothly. Compact size fits easily into tight spaces. Handles 8 amps for strong, safe performance. Dual contacts give you more wiring options. Built tough for long life and ease.	Limited use for high-power applications. Not suitable for extreme temperature conditions. Smaller size may not fit all mounting needs.

Perfect For:

This Finder Power Relay is perfect for anyone needing a reliable, compact relay for their PCB projects. It’s ideal for low-voltage applications like automation, control systems, or DIY electronics.

Ready to Purchase?

View Price on Amazon (paid link)

7. FINDER 40.52.8.024.0000 POWER RELAY, DPDT-2CO, 24VAC, 15A, PCB (10 pieces)

Upgrade your circuit design with the Finder power relay set. This pack includes 10 reliable PCB relays built for long-lasting power.

It handles 24VAC systems with ease. The unit supports up to 15A current load. Smart coil isolation keeps your equipment safe.

Get smooth DPDT performance for your electronics projects. Stock up now on these top-quality relays today.

Pros	Cons
Strong power in a tiny size. Easy to install on your board. Safe and reliable performance for less. Heavy duty power built to last.	Not for DC power setups. Needs soldering skill to mount on boards. Bulky ten-pack if you need only one.

Perfect For:

Electronics hobbyists, small repair techs, and DIY circuit makers who build or fix custom PCB projects will love this 10-pack of FINDER 40.52.8.024.0000 power relays. Each 24VAC DPDT 15A PCB relay fits standard board layouts for reliable, low-cost switching in small builds.

Ready to Purchase?

View Price on Amazon (paid link)

8. JQX-102F 12VDC 20A 4Pins PCB Miniature High Power Relay for Air Conditioner Motherboard Compressor Water Heater

The JQX-102F 12VDC is a miniature high power relay that can handle up to 20A current. It’s perfect for use in air conditioner motherboards, compressors, and water heaters.

This relay is easy to install, durable, and reliable. It works well with many systems, lasts a long time, and performs smoothly.

Pros	Cons
Handles 20A current for high-power devices like ACs and heaters. 4Pins PCB design ensures easy integration into electronic systems. Simple installation with clear instructions for beginners. Durable build with high-quality materials for long-lasting use. Reliable performance keeps systems running smoothly and efficiently.	No built-in protection against voltage spikes or overcurrent. Limited pin configuration may not fit all PCB designs. Not waterproof, unsuitable for outdoor or damp environments.

Perfect For:

The JQX-102F 12VDC relay is perfect for anyone needing a reliable, high-power solution for air conditioners, compressors, or water heaters. Its easy installation and durable design make it ideal for both beginners and experts.

Ready to Purchase?

View Price on Amazon (paid link)

9. 5pcs JS1-12V-F 12VDC Coil Power Relay, SPDT (1 Form C) 5-Pin PCB Through-Hole, Sealed, 10A 250VAC / 5A 30VDC, Replacement Relay for Control Board Circuit Switching

5pcs JS1-12V-F 12VDC Coil Power Relay, SPDT (1 Form C) 5-Pin PCB Through-Hole, Sealed, 10A 250VAC / 5A 30VDC, Replacement Relay for Control Board Circuit Switching

The JS1-12V-F 12VDC Coil Power Relay is a 5-piece set designed for control board circuit switching. It features a SPDT (1 Form C) 5-pin PCB through-hole design and is sealed for durability. This relay is a direct replacement for boards using the same part number.

It handles 10A 250VAC or 5A 30VDC loads and has a 12VDC coil. The AgSnO2 contacts ensure stable switching, making it ideal for appliances, office machines, and vending equipment.

Before buying, verify the OE#, footprint, and contact form to ensure compatibility. Always disconnect power and follow proper soldering steps for safe installation.

Pros	Cons
Reliable 12VDC coil power relay for stable circuit switching. Sealed design ensures durability in various environments. Easy through-hole PCB mounting for quick replacement. Versatile SPDT contacts handle AC/DC loads efficiently.	Not a plug-in relay – Designed for PCB soldering, not for fuse/relay boxes. Requires careful handling – Sealed construction may need professional replacement if damaged. Limited compatibility – Must match OE#JS1-12V-F and footprint for proper fit.

Perfect For:

This 5-piece relay set is perfect for anyone repairing control boards in appliances, office machines, or vending equipment. It’s ideal for those who need a reliable replacement for a 12V DC relay with exact specs and easy soldering.

Ready to Purchase?

View Price on Amazon (paid link)

10. ABXLNIU 12Pcs DPDT Relay DC 5V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-5V

The ABXLNIU 12Pcs DPDT Relay DC 5V is a small 8-pin relay for electronics projects. It fits a standard IC socket, so you don’t need special parts to set it up.
It safely runs up to 1A 125VAC or 2A 30VDC loads. Its sealed design gives it a long working life. The 12-piece anti-static pack is great for hobby builds.

Pros	Cons
High-quality PCB relay with DC 5V coil for low-power projects. Compact and sealed construction for long operational life. 2NO 2NC configuration for versatile switching. Fits standard IC socket for easy installation. Professional anti-static packaging for safe handling.	Low current rating limits high-power uses. 5V coil may need separate power source. Only 12 pieces may run out quickly.

Perfect For:

This 12-piece DPDT 5V relay set is perfect for DIY electronics hobbyists and small circuit builders working on low-power projects. The relays fit standard IC sockets, so you don’t need special parts to use them.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Miniature PCB relays are key parts for small electronics. They fit tight spaces and work well.

Buying the right relay can boost your project. Here’s how to pick the best one:

Power Needs: Check the voltage and current your project uses. Pick a relay that matches these specs.
Size: Make sure the relay fits your space. Miniature relays are compact, but measure first.
Type of Relay: Choose between SPDT, DPDT, or others. It depends on how your circuit works.
Coil Voltage: Match the relay’s coil voltage to your power source. Common options are 5V, 12V, or 24V.
Durability: Look for sealed designs or metal contacts. They last longer and work better.
Ease of Use: Pick relays that are easy to install. Some come in packs, which is handy for DIY.
Warranty: A warranty gives peace of mind. Check if the relay has one.