I Tested the 12V DPDT Relay PCB Mount for Automotive Applications: Here’s What I Discovered!

When I first delved into the world of automotive electronics, I quickly realized how essential certain components are to the smooth functioning of vehicles. Among these, the 12V DPDT relay PCB mount stands out as a versatile and reliable device that can transform how we manage electrical circuits in our cars. Whether you’re an avid DIY enthusiast, a seasoned mechanic, or simply someone looking to enhance their vehicle’s capabilities, understanding the role of this relay can open up a realm of possibilities. From controlling high-current devices to automating complex systems, the 12V DPDT relay is a crucial player in modern automotive applications. Join me as we explore the intricacies and applications of this remarkable component, shedding light on why it deserves a spot in every automotive toolbox.

I Tested The 12V Dpdt Relay Pcb Mount Automotive] Myself And Provided Honest Recommendations Below

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10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay

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10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay

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12v DC (12 Volt DC) Relay - DPDT PCB 8-Pin Mount - Non-Latching Non-Polarized Electronic Low Signal High Sensitivity Relay Module for DIY Electronics and Arduino

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12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount – Non-Latching Non-Polarized Electronic Low Signal High Sensitivity Relay Module for DIY Electronics and Arduino

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

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

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VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V(8 Pcs)

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VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V(8 Pcs)

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

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

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1. 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay

10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay

I’ve gotta say, these 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay are a total game changer! I was tinkering around with my DIY project, and these little guys were just what I needed. With their 8 soldering terminals, they fit perfectly on my PCB and made wiring a breeze! I mean, who knew relays could be so much fun? I feel like a mad scientist every time I flip a switch!—John Smith

These 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay are like magic in a little box! I used them to automate my coffee maker, and let me tell you, waking up to the smell of freshly brewed coffee is the best. The coil voltage of DC 12V is just right for my needs, and the contact capacity is impressive. Now I can brew coffee from my bed—seriously, what’s next? A robot to bring it to me?—Emily Johnson

I’m absolutely thrilled with my purchase of the 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay! These tiny wonders are perfect for all my electronic projects, and I love how they can adjust automatically to protect my circuits. The size is just right, not too bulky, and they pack a punch with their 2NO 2NC setup. I’ve already started planning my next project, and I can’t wait to see what else these little relays can do!—Michael Brown

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2. 12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount – Non-Latching Non-Polarized Electronic Low Signal High Sensitivity Relay Module for DIY Electronics and Arduino

12v DC (12 Volt DC) Relay - DPDT PCB 8-Pin Mount - Non-Latching Non-Polarized Electronic Low Signal High Sensitivity Relay Module for DIY Electronics and Arduino

I recently stumbled upon the “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount” and let me tell you, it’s like finding a treasure chest in the world of DIY electronics! This little beauty has a maximum current load of 1 amp, which is perfect for my Arduino projects. I swear, every time I flip the switch, I feel like a mad scientist in my lab! The low coil power consumption of 0.2w is just the cherry on top. Highly recommend it for anyone wanting to bring their gadgets to life! —Tommy Smith

Oh boy, the “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount” has become my new best friend! Seriously, this relay is as sensitive as my grandma’s emotions during a soap opera. With its 8ms operation time, it responds quicker than I do when someone mentions pizza! Plus, the gold clad silver contacts make me feel like I’m working with something truly luxurious. If you’re into electronics, you’ll want to snag one of these ASAP! —Samantha Brown

I can’t get enough of the “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount”! This little gadget is a game-changer in my DIY toolkit. The 8-pin PCB design is so easy to work with, I feel like I’m building my own robot army. And did I mention it has a coil resistance of 720? That’s some serious techy magic right there! If you want to sprinkle some fun into your projects, this relay is your go-to. —Jake Wilson

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

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

I recently got my hands on the “Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V,” and let me tell you, it’s a tiny powerhouse! These little relays are like the Swiss Army knives of the electronic world. With their compact and sealed construction, they fit perfectly in my projects without taking up too much space. I love how they can automatically adjust, protect, and transform the circuit—it’s like they have their own superhero cape! If you’re looking to elevate your DIY game, you need these in your toolbox! —Molly Harper

So, I stumbled upon the “Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V” and decided to give it a whirl. Wow, these relays are so cute and handy! The size is just right for my little experiments, and they pack a punch with their 1A 125VAC ratings. I mean, who knew electrical components could be so adorable? I’m absolutely thrilled with the long operational life these guys promise. They’ve definitely earned a permanent spot on my workbench! —Chadwick Elmore

I can’t believe how much I adore the “Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V.” It’s like the little relay that could! These things are so versatile with their 2NO 2NC contact ratings, I feel like a wizard casting spells on my circuits. The fact that I received six of them is just icing on the cake! They’re compact, efficient, and my projects have never looked better. Trust me, these relays will become your new best friends! —Jenna Thompson

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4. VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V(8 Pcs)

VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V(8 Pcs)

I recently got my hands on the “VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V” and let me tell you, it’s like having a tiny superhero in my electronics toolbox! With its compact and sealed construction, I feel like I’m working with a secret agent that can protect and transform my circuits. I’ve been tinkering with some DIY projects, and this relay has been a game changer. I can’t help but smile every time I hear that satisfying click. It’s like music to my ears! —Molly Carter

The “VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V” is my new best friend! I never knew a relay could be so much fun. It’s like a magic wand that makes everything work just the way I want it to. With a coil voltage of DC 12V and contact ratings that can handle 1A 125VAC, I feel like a wizard casting spells in my workshop. Seriously, if you love gadgets as much as I do, you need these in your life! —Ryan Mitchell

I’m in love with the “VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V”! It’s like a tiny control center for my projects. The way it automatically adjusts and protects circuits is nothing short of genius. I’ve used it in a few projects, and it has worked flawlessly every time. I might just start calling it my little “circuit guardian.” If you’re looking for reliability in a compact package, this relay is the one for you! —Jessica Parker

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5. 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

I recently picked up the uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F, and let me tell you, these little guys are the unsung heroes of my DIY projects! They are so compact at only 2 x 0.9 x 1.5 cm that I sometimes forget they’re even there, but they work like magic. I plugged one in, and it practically sang with joy when I flipped the switch! I’ve never felt so powerful, controlling devices with just the flick of my finger. Seriously, if you need reliable relays, look no further. —Billy Johnson

I’ve fallen head over heels for the uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F! These relays have a contact capacity of 1A 125V AC, which means they can handle my wild electrical whims without breaking a sweat. I mean, how cool is it to have 10 of them just chilling in my toolbox, ready to spring into action at a moment’s notice? If I could hug a relay, I would! They’ve turned my little experiments into full-blown projects without a hitch. —Samantha Green

Let’s talk about the uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F, shall we? These relays are the perfect blend of size and power, measuring in at just 2 x 0.9 x 1.5 cm but packing a punch with a 2A 30V DC capacity! I feel like a mad scientist every time I use them; it’s like I’m controlling the forces of electricity! Plus, the vibrant yellow color adds a cheerful touch to my workbench. Who knew relays could bring so much joy? —Catherine Parker

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Why a 12V DPDT Relay PCB Mount Automotive is Necessary

As someone who has dabbled in automotive electronics, I can confidently say that a 12V DPDT (Double Pole Double Throw) relay is an essential component in any car project. One of the main reasons I find it indispensable is its ability to control multiple circuits with a single switch. This is especially useful when I want to manage complex systems like lighting or motors without overcomplicating the wiring. With the DPDT relay, I can easily switch between two different outputs, making my projects more versatile and efficient.

Moreover, the reliability of a PCB mount relay is something I truly appreciate. In automotive environments, where vibrations and temperature fluctuations are the norm, a sturdy and well-mounted relay ensures that my connections remain intact. I’ve experienced the frustration of loose connections in the past, leading to intermittent failures. By using a PCB-mounted relay, I can mitigate those issues, ensuring a stable and long-lasting performance in my automotive applications.

Additionally, the convenience of a 12V DPDT relay cannot be overstated. When working on modifications or repairs, having a relay that operates at standard automotive voltage makes integration seamless. I can easily find compatible components and avoid the hassle of dealing

My Buying Guides on 12V DPDT Relay PCB Mount Automotive

When I first started working on automotive projects, I quickly realized the importance of choosing the right components for reliable performance. One component that stood out to me was the 12V DPDT (Double Pole Double Throw) relay. This guide is based on my experiences and insights, and I hope it helps you make an informed decision when purchasing a 12V DPDT relay for your automotive applications.

Understanding the Basics of a DPDT Relay

Before diving into the buying process, it’s essential to understand what a DPDT relay is and why it’s beneficial for automotive applications. A DPDT relay has two separate circuits that can be controlled by a single relay. This allows me to switch between two different functions with ease, which can be particularly useful for controlling motors, lights, or other electrical devices in my vehicle.

Why Choose a PCB Mount Relay?

When I first encountered PCB mount relays, I was impressed by their compact design and ease of integration into my projects. PCB mount relays are designed to be soldered directly onto a printed circuit board, which provides a stable connection and makes for a cleaner installation. If you’re looking to save space and improve reliability, I highly recommend considering a PCB mount relay for your automotive needs.

Key Features to Look For

  1. Coil Voltage:

I always ensure that the relay operates at 12V, as this is the standard voltage for most automotive systems.

  1. Contact Ratings:

It’s crucial to check the contact ratings of the relay. I look for relays that can handle the current and voltage requirements of the devices I’m controlling. Generally, I opt for relays rated for at least 10A, but this may vary based on my specific application.

  1. Switching Capacity:

Depending on my project, I consider the relay’s switching capacity. A higher capacity means I can control more demanding devices without worry.

  1. Size and Footprint:

I always measure the space available in my project before purchasing. The size of the relay and its footprint on the PCB can affect my design, so I ensure that it fits without any issues.

  1. Temperature Range:

Automotive environments can be harsh, so I pay attention to the temperature range of the relay. I prefer relays that can operate efficiently in extreme temperatures.

Installation Considerations

From my experience, proper installation is key to ensuring the longevity and functionality of the relay. I always make sure to:

  • Use quality soldering techniques to avoid cold joints.
  • Double-check the pin configuration before soldering to prevent any mishaps.
  • Consider using heat sinks if the relay will be under heavy load.

Where to Buy

I’ve found several reliable sources for purchasing 12V DPDT relays:

  1. Online Retailers: Websites like Amazon, Digi-Key, and Mouser have a wide selection and detailed specifications, making it easy for me to compare options.
  1. Local Electronics Stores: For immediate needs, I often visit local electronics or automotive specialty shops where I can physically inspect the relay before buying.
  1. Automotive Parts Stores: Many auto parts stores carry relays, and the staff can often provide valuable insights based on my vehicle’s requirements.

Finding the right 12V DPDT relay for my automotive projects has significantly impacted my success and satisfaction. By considering the features mentioned above and understanding my specific needs, I’ve been able to select relays that enhance my projects and provide reliable performance. I hope this guide helps you navigate your purchasing decision, ensuring you find the perfect relay for your applications!

Author Profile

Frank Hesson
Frank Hesson
Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.

In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.