Best Miniature Relays

Looking for the best miniature relays? We’ve got you covered with a guide to the top 10 options, perfect for upgrading your projects with ease and confidence.

Miniature relays are small but mighty devices that control power in your projects. They are perfect for tight spaces and low-power needs. These tiny tools make your builds reliable and safe.

They come in different types like PCB, solid-state, and electromagnetic relays. Each type has unique features for your DIY or pro projects. You can find them in packs of 6, 10, or 12 for great value.

With easy setup and long life, these relays are must-haves for electronics lovers. Explore our guide to find the best miniature relay for your needs. Get ready to upgrade your projects with confidence!

List of Top 10 Miniature Relays

Image Title Best For Price
AEDIKO DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level Trigger AEDIKO DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level Trigger

This 8-channel relay module is perfect for DIY enthusiasts, hobbyists, and professionals who need to control multiple devices with ease and reliability. It’s ideal for projects requiring high-current switching and stable performance.

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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 DIY enthusiasts and makers who need a reliable and easy-to-use solution for controlling devices. It’s great for projects with ARM, PIC, AVR, MCU, Raspberry Pi, or CNC machines.

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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 kit is for people who fix or make tools. It works well for small jobs. The parts are sturdy and good.

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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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Weasch 6Pcs Miniature Intermediate Power Relay, SMI-12VDC-SL-2C, DC 12V, 2NO 2NC, 5A 8Pin Plug-in Type (6) Weasch 6Pcs Miniature Intermediate Power Relay, SMI-12VDC-SL-2C, DC 12V, 2NO 2NC, 5A 8Pin Plug-in Type (6)

This Weasch 6Pcs Miniature Intermediate Power Relay is perfect for anyone needing reliable, compact relays for DIY projects, home automation, or small-scale electrical systems. With DC 12V coil voltage and 5A contact rating, it’s ideal for simple, efficient power control.

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

This 6-piece mini power relay set is perfect for DIY enthusiasts and professionals working on small electronic projects. It’s ideal for anyone needing reliable circuit control in a compact size.

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(10pcs)12V 5V 3v 3.3V Solid State Relay 1a,dc SSR,Input:3-32Vdc,Output:5-60Vdc,41Fdd,Non-Contact,Mini,Slim Ac dc-dc,Micro for ESP32 Raspberry Pi Arduino ebike (10pcs)12V 5V 3v 3.3V Solid State Relay 1a,dc SSR,Input:3-32Vdc,Output:5-60Vdc,41Fdd,Non-Contact,Mini,Slim Ac dc-dc,Micro for ESP32 Raspberry Pi Arduino ebike

This solid state relay is perfect for makers and hobbyists who use ESP32, Raspberry Pi, or Arduino. It’s great for projects needing reliable, noiseless switching with a long lifespan.

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HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

This HiLetgo relay module is perfect for DIY enthusiasts and hobbyists who need a reliable, easy-to-use switch for their projects. It’s great for controlling lights, motors, or other devices with simple setup and strong performance.

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ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V

This ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay is perfect for anyone working with PLC systems or needing reliable signal control. It’s ideal for professionals and hobbyists who want certified, durable, and easy-to-install relays for their projects.

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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

These 12V PCB relays are perfect for hobbyists and DIY enthusiasts working on low-power projects. They’re easy to use, fit standard IC sockets, and come in a pack of 12 for great value.

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Detailed Reviews

Discover the top 10 Miniature Relays in this expert-curated guide, blending performance and value for every need. Whether you prioritize reliability, affordability, or ease of use, find the perfect match here. Dive in to make an informed choice and elevate your projects with confidence.

1. AEDIKO DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level Trigger

AEDIKO DC 12V Relay Module 8 Channel Relay Board with OPTO-Isolated High or Low Level Trigger

The AEDIKO DC 12V Relay Module gives you 8 channels of clear, steady control. It works with high or low level trigger and fits many simple builds.

Each relay is optically isolated. It helps keep the signal safe and stable. The board has easy screw terminals. It also has fixed bolt holes for fast setup.

This 12V relay board can switch many loads with ease. It is a smart choice for clean, direct control.

Pros Cons
  • 8 Channels, 12V power for versatile control.
  • Opto-Isolated for reliable, stable triggering.
  • High-Current Relay handles AC 250V/10A, DC 30V/10A.
  • Fault-Tolerant Design ensures safe, uninterrupted operation.
  • Bulky size needs lots of space.
  • Wiring is hard for beginners.
  • Needs a stable power source.

Perfect For:

This 8-channel relay module is perfect for DIY enthusiasts, hobbyists, and professionals who need to control multiple devices with ease and reliability. It’s ideal for projects requiring high-current switching and stable performance.

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

This 12V relay board is strong. It uses optocoupler isolation for safety. The 1 channel design works well.

Choose high or low trigger modes. The screw terminals make wiring fast. It fits many DIY projects.

Get 10 pieces in one pack. This relay module stays reliable.

Pros Cons
  • 12V Relay Module handles high loads with stable performance.
  • Optocoupler Isolation protects I/O ports from damage.
  • Jumper Design allows easy signal control for high or low.
  • Fault-Tolerant Design ensures safety even with broken control lines.
  • Limited to 12V operation, not suitable for higher voltage projects.
  • No built-in protection against reverse polarity or overcurrent.
  • Requires external power supply, not included in the package.

Perfect For:

This 12V Relay Module is perfect for DIY enthusiasts and makers who need a reliable and easy-to-use solution for controlling devices. It’s great for projects with ARM, PIC, AVR, MCU, Raspberry Pi, or CNC machines.

Ready to Purchase?

3. 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

Tnisesm 6pcs PCB Power Relay is small and strong. It uses DC 5V power. It fits well in tight spaces.

It has 8 pins and DPDT control. The sealed build helps it last longer. It can protect and switch your circuit with ease.

You get 6 pieces in one pack. It comes with 1 year of warranty.

Pros Cons
  • Compact and sealed design fits tight spaces perfectly.
  • Long operational life ensures reliable performance.
  • Automatic circuit protection keeps devices safe.
  • Clear 8-pin layout for easy installation.
  • 1-year warranty for peace of mind.
  • Limited to specific voltage and current ratings.
  • No advanced features like remote control or smart integration.
  • Small size may be hard to handle for some users.

Perfect For:

This kit is for people who fix or make tools. It works well for small jobs. The parts are sturdy and good.

Ready to Purchase?

4. 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 is a blue PCB power relay. It uses DC 12V to work.

The set has 6 pieces. Each part has 5 pins.

The sealed design is small. Use it for DIY boards or cables. It has a one year warranty.

Pros Cons
  • Compact, sealed design ensures durability and reliability in various applications.
  • 6-piece pack offers great value for multiple projects or backups.
  • 1-year warranty guarantees peace of mind with every purchase.
  • Versatile use for DIY PCB, modules, and development boards.
  • No mounting hardware included, requires extra purchase.
  • Limited color options, only available in blue.
  • Not suitable for high-voltage applications beyond specified ratings.

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?

5. Weasch 6Pcs Miniature Intermediate Power Relay, SMI-12VDC-SL-2C, DC 12V, 2NO 2NC, 5A 8Pin Plug-in Type (6)

Weasch 6Pcs Miniature Intermediate Power Relay, SMI-12VDC-SL-2C, DC 12V, 2NO 2NC, 5A 8Pin Plug-in Type (6)

The Weasch 6Pcs Miniature Intermediate Power Relay is a compact and reliable solution for your power control needs. It comes in a pack of six, making it a cost-effective choice. Each relay is easy to install and use.

This relay operates on a DC 12V coil voltage, ensuring efficient performance. It features 2NO 2NC contacts, providing versatile connectivity options. With a 5A contact rating, it handles moderate loads with ease.

The silver alloy contact material ensures durability and reliability. It’s perfect for industrial or home applications. Get your Weasch relays today for smooth power control.

Pros Cons
  • DC 12V coil voltage for reliable power control.
  • 2NO 2NC contacts for flexible circuit switching.
  • 5A max switching current handles heavy loads easily.
  • Silver alloy contacts ensure durable and efficient performance.
  • Limited to DC 12V coil voltage, not versatile for all setups.
  • No built-in surge protection, risks damage from power spikes.
  • 8-pin plug-in type may not fit all relay sockets.

Perfect For:

This Weasch 6Pcs Miniature Intermediate Power Relay is perfect for anyone needing reliable, compact relays for DIY projects, home automation, or small-scale electrical systems. With DC 12V coil voltage and 5A contact rating, it’s ideal for simple, efficient power control.

Ready to Purchase?

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

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

This mini power relay is small. It has eight pins for your board. The part is strong and good.

It uses low DC 12V power. The DPDT design works well. You get six pieces in one pack.

Install it fast and easy. This reliable tool lasts long.

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 DC 12V only, not versatile for all projects.
  • Small size may be hard to handle for some users.
  • No advanced features like LED indicators.

Perfect For:

This 6-piece mini power relay set is perfect for DIY enthusiasts and professionals working on small electronic projects. It’s ideal for anyone needing reliable circuit control in a compact size.

Ready to Purchase?

7. (10pcs)12V 5V 3v 3.3V Solid State Relay 1a,dc SSR,Input:3-32Vdc,Output:5-60Vdc,41Fdd,Non-Contact,Mini,Slim Ac dc-dc,Micro for ESP32 Raspberry Pi Arduino ebike

(10pcs)12V 5V 3v 3.3V Solid State Relay 1a,dc SSR,Input:3-32Vdc,Output:5-60Vdc,41Fdd,Non-Contact,Mini,Slim Ac dc-dc,Micro for ESP32 Raspberry Pi Arduino ebike

This solid-state relay is compact and versatile. It works with 12V, 5V, 3V, and 3.3V systems. Perfect for ESP32, Raspberry Pi, and Arduino projects.

It handles 3-32Vdc input and 5-60Vdc output. Without a heatsink, it supports 1A max current. Its contactless design ensures a long lifespan.

It’s fast, quiet, and reliable. Ideal for development boards and micro-projects. A must-have for DIY electronics!

Pros Cons
  • Wide voltage range for flexible use in various projects.
  • Long-lasting with no mechanical wear for reliable performance.
  • Fast, quiet operation for smooth control in any setup.
  • Perfect for ESP32, Raspberry Pi, and Arduino projects.
  • No heatsink means lower current (1A max).
  • Not for high-power projects, limited to 1A.
  • Requires careful setup to avoid overheating.

Perfect For:

This solid state relay is perfect for makers and hobbyists who use ESP32, Raspberry Pi, or Arduino. It’s great for projects needing reliable, noiseless switching with a long lifespan.

Ready to Purchase?

8. HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

HiLetgo relay module gives you clean control and strong use. It uses a genuine relay with normally open contact. It handles AC 250V/10A and DC 30V/10A.

It uses opto isolation for stable work. It needs only 5mA to trigger.

This module has a safe design. If the control line breaks, the relay stays still. The jumper lets you pick high or low trigger.

Pros Cons
  • High-quality relay with strong driving capability for stable performance.
  • Safe optocoupler isolation ensures reliable operation.
  • Fault-tolerant design prevents relay movement if control line breaks.
  • Easy setup with convenient terminal leads for all interfaces.
  • Flexible trigger options: set high or low with a jumper.
  • No built-in heat protection for high-load use.
  • Limited voltage range for DC applications.
  • Requires external jumper setup for trigger mode.

Perfect For:

This HiLetgo relay module is perfect for DIY enthusiasts and hobbyists who need a reliable, easy-to-use switch for their projects. It’s great for controlling lights, motors, or other devices with simple setup and strong performance.

Ready to Purchase?

9. ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V

ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay 24V Coil DC/AC; Signal for PLC; HF41F/24-ZS 1NO 1NC 6Amp SPDT with Jumper, Separator, Din Rail Relay 24V

The ZJWZJH UL Listed Miniature Electromagnetic Relay is a compact and reliable device. It is UL and VDE certified for safety and quality. This relay works with a 24V AC/DC coil and handles up to 6 amps. Its slim design is just 0.24 inches thick, making it perfect for tight spaces.

This set includes 10 relays and sockets with easy plug-and-play design. The relay base has screw terminals and mounts on a DIN rail. It comes with jumpers, clips, and separators for quick setup. The relay lasts a long time with 10 million mechanical cycles. It works well in temperatures from -40℃ to 70℃.

Pros Cons
  • UL Listed and certified for safety and reliability.
  • Ultra-slim design, just 0.24″ thick, saves space.
  • Plug-and-play for easy relay and base replacement.
  • Durable with 10 million cycles and wide temperature range.
  • DIN rail mounting with finger protection for safety.
  • No LED indicator for quick status checks.
  • Plastic build may feel less sturdy than metal.
  • Limited to 24V systems, not for higher voltages.

Perfect For:

This ZJWZJH UL Listed 10Pcs Miniature Electromagnetic Relay is perfect for anyone working with PLC systems or needing reliable signal control. It’s ideal for professionals and hobbyists who want certified, durable, and easy-to-install relays for their projects.

Ready to Purchase?

10. 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

Upgrade your electronics with this power pack. These mini PCB relays make circuit control easy.

They fit standard IC sockets. The sealed design ensures a long life. You get twelve durable units.

Take control of your low-power projects today. Enjoy reliable protection for your tech build.

Pros Cons
  • 12V DPDT relays fit standard IC sockets, no special parts needed.
  • Compact and sealed design for long-lasting, reliable performance.
  • High-quality Hui-Kes brand, perfect for low-power projects.
  • 12-piece pack with anti-static packaging for safe storage.
  • 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:

These 12V PCB relays are perfect for hobbyists and DIY enthusiasts working on low-power projects. They’re easy to use, fit standard IC sockets, and come in a pack of 12 for great value.

Ready to Purchase?

Buying Guide

Miniature relays are small but mighty devices that control power in your projects. They are perfect for tight spaces and low-power needs.

When buying miniature relays, consider these factors:

  • Type of Relay: Choose from PCB, solid-state, or electromagnetic relays. Each type has unique features for your DIY or pro projects.

  • Voltage and Current: Match the relay’s voltage and current ratings to your project’s needs. Common options include 5V, 12V, and 24V.

  • Number of Channels: Decide if you need 1, 8, or more channels. This depends on how many devices you want to control.

  • Contact Type: Look for NO (Normally Open) or NC (Normally Closed) contacts. Some relays offer both (DPDT).

  • Isolation: Optocoupler or optical isolation keeps your signal safe and stable. It’s a must-have for sensitive circuits.

  • Pack Size: Relays come in packs of 6, 10, or 12. Buying in bulk often gives great value.

  • Ease of Setup: Choose relays with screw terminals or fixed bolt holes for fast and easy installation.

  • Durability: Look for sealed designs and long-life ratings. Some relays last up to 10 million cycles.

  • Warranty: A warranty adds peace of mind. Many relays come with 1-year coverage.

Explore these options to find the best miniature relay for your needs. Upgrade your projects with confidence and enjoy reliable power control!