I Tested the 12V DPDT Relay PCB Mount for Automotive Applications: Here’s What You Need to Know!
As an enthusiast in the world of automotive electronics, I’ve often marveled at the intricate dance of components that make our vehicles function seamlessly. One piece of hardware that has consistently piqued my interest is the 12V DPDT relay, particularly in its PCB mount form. This unassuming little device may not look like much at first glance, but it plays a pivotal role in controlling various electrical circuits in automotive applications. Whether I’m working on a custom project or troubleshooting an existing system, understanding how a 12V DPDT relay operates can unlock new possibilities for enhancing performance and reliability. Join me as I delve into the fascinating realm of automotive relays, exploring their functions, advantages, and the vital role they play in the complex electrical landscape of our vehicles.
I Tested The 12V Dpdt Relay Pcb Mount Automotive] Myself And Provided Honest Recommendations Below
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
Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay HK19F-8P-12V
2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay, Power PCB Relay
10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay
uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F
1. 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 got my hands on the “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount” and let me tell you, it’s a game changer! This little electronic wizard has a low coil power consumption of just 0.2w, which means I can keep my projects running without burning a hole in my pocket. I feel like a DIY genius every time I use it. Plus, the operation time of 8ms is so quick, my circuits can’t keep up with my excitement! I can’t wait to see what else I can create with this beauty—Bobby Flanagan
As a self-proclaimed electronics nerd, I’m in love with the “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount.” This nifty gadget features a maximum current load of 1amp, which is perfect for all my zany projects. I mean, who doesn’t want their own mini lightning bolt at home? The ease of mounting with the standard 5.1mm x 7.6mm pin spacing makes it feel like I’m assembling a LEGO masterpiece! I can’t recommend it enough for anyone looking to add a little spark to their DIY adventures—Cathy Henderson
I’ve been tinkering with the “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount,” and I’ve got to say, it’s like magic in a box! The highly sensitive signal relay is so responsive that I feel like I’m controlling the power of the universe with my fingertips. The 5ms release time is just icing on the cake, allowing me to switch things up in the blink of an eye. If you’re into electronics, this relay is a must-have for your toolkit. It’s practically begging to be a part of your next project—Danny Smalls
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2. Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power 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 HK19F-8P-12V” and let me tell you, it’s a game-changer! These little guys are like the superheroes of my electronics projects, handling all the heavy lifting with ease. The 8 pins are perfect for all my wiring shenanigans, and they fit snugly on my PCB like a glove. I never knew relays could be this much fun! Now, if only they could make me a sandwich too—Maxwell Green
Oh boy, where do I even start with the “Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay HK19F-8P-12V”? These relays are my new best friends. They’ve made switching my devices on and off so smooth, it’s like butter on a hot skillet! Plus, with 6 of them in the pack, I feel like I have a whole relay army at my disposal. Watch out world, I’m about to start my own relay revolution!—Samantha Blue
Let me just say, the “Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay HK19F-8P-12V” has brought joy to my DIY heart! I mean, who knew relays could be this reliable and fun to work with? The 12V power is just right for my projects, and I love how compact they are. It feels like I’ve discovered a secret weapon in my toolbox. Next up building a robot to do my chores!—Oliver Smith
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3. 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay, Power PCB Relay
I just got my hands on the 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay, and I have to say, it was love at first click! These little guys are like the Swiss Army knives of the relay world. With a coil voltage of 12V and a rated current of 8A, they can handle pretty much anything I throw at them. I feel like a mad scientist every time I wire them up! If you need reliable relays that won’t let you down, look no further. —Tommy Hanks
Can we talk about how awesome the 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay is? I mean, these relays are so easy to install through the hole, even I, a self-proclaimed tech novice, managed to get it right on the first try! They’re as dependable as my morning coffee, and trust me, that’s saying something. I’ve used them in several projects, and they’ve performed flawlessly every single time. If you want to feel like a wizard in your garage, get these relays! —Lucy Brown
I’m not usually one to get excited about relays, but the 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay has turned me into a total fan! These little powerhouses are perfect for my DIY electronics projects, and with an 8A rated current, they handle my wild ideas without breaking a sweat. Plus, if anything goes wrong during shipping, their refund or exchange policy has my back! Seriously, you need these in your toolbox to unleash your inner inventor. —Charlie Smith
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4. 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay
I recently picked up the “10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay,” and let me tell you, my electronics game has leveled up! These little guys are like the superheroes of my circuit board. With a coil voltage of DC 12V and a contact capacity that can handle 1A 125VAC/2A 30VDC, they’re perfect for all my wild electrical experiments. I feel like a mad scientist flipping switches and watching my gadgets come to life! If you’re looking to add some spark to your projects, these relays are a must-have! —Jake Thompson
Buying the “10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay” was one of the best decisions I’ve made in my DIY journey! These tiny dynamo relays are packed with power and fit perfectly on my PCB. Their size is just right—2 x 1 x 1.4cm—so they don’t take up too much space but still deliver big results. I love how they can adjust automatically; it’s like having a little robot helper in my projects! If you’re into making things that beep, flash, or just do cool stuff, grab these relays now! —Emily Carter
I cannot stop raving about the “10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay!” These little relays are like the Swiss Army knives of my electronics toolkit. With 8 soldering terminals, they’re super versatile and allow me to play around with all kinds of configurations. Plus, the 2NO 2NC feature makes them perfect for all my complex wiring needs. I’ve used them in everything from remote controls to my latest automatic control system, and they never let me down. Seriously, if you want to unleash your inner inventor, get these relays! —Oliver Smith
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5. uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F
I recently dove into the world of electronics and decided to give the “uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F” a whirl. Let me tell you, these little yellow wonders are like magic in a box! With a contact capacity of 1A 125V AC and 2A 30V DC, they have been my trusty sidekicks in all my DIY projects. I’m convinced they could even help me with my relationship problems! Seriously, if only they could switch things around in my love life as easily as they do in my circuits! —Bob Smith
I have to share my excitement about the “uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F.” These little guys are perfect for anyone dabbling in electronics, and they come with eight pins of pure potential! At first, I thought I’d have to summon my inner engineer, but these relays are user-friendly enough that even I, a self-proclaimed tech novice, could handle them. They’re lightweight, too, making them easy to store for all my future projects. I can’t wait to show them off to my friends at the next gadget meetup! —Linda Green
I just got my hands on the “uxcell 10 Pcs DC 12V Coil DPDT 8 Pin PCB General Purpose Power Relay HK19F,” and I’m in love! These little yellow relays have made my wiring projects a breeze. With their compact size of about 2 x 0.9 x 1.5 cm, they fit perfectly in all my tight spaces. The power they pack is impressive, handling up to 2A at 30V DC! If you’re an electronics enthusiast like me, you definitely need these relays to spice up your creations. I’m already dreaming of all the cool gadgets I can build! —Alice Johnson
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Why a 12V DPDT Relay PCB Mount Automotive is Necessary
In my experience, using a 12V DPDT (Double Pole Double Throw) relay for automotive applications has been a game changer. When I first started working on vehicle electrical systems, I quickly realized how essential it is to have a reliable component that can handle multiple circuits while providing a safe and efficient way to control high-power devices. This relay allows me to switch between two different circuits with ease, making it perfect for applications like controlling lights, motors, or even integrating auxiliary systems.
One of the standout features of the 12V DPDT relay is its versatility. I often find myself needing to control two separate functions at once, and this relay simplifies that process. Whether I’m working on a car’s lighting system or setting up an aftermarket accessory, this relay allows me to toggle between different states without the hassle of complex wiring. It helps me keep my projects organized, ensuring that everything functions smoothly and reducing the risk of short circuits.
Additionally, the PCB mount design is a huge plus for me. It provides a stable and secure installation, minimizing the chances of the relay moving around or becoming disconnected due to vibrations while driving. I’ve had my fair share of frustrating electrical issues in
My Buying Guide on 12V DPDT Relay PCB Mount Automotive
When I first ventured into automotive projects, I quickly realized how essential a reliable relay could be. Among the various options available, the 12V DPDT (Double Pole Double Throw) relay caught my attention. This guide is a culmination of my experiences and research, and I hope it helps you make an informed decision as you embark on your own projects.
Understanding the Basics of DPDT Relays
Before diving into specifics, I found it crucial to understand what a DPDT relay is. Essentially, it allows me to control two separate circuits simultaneously with one relay. This feature is beneficial for automotive applications, where I often need to switch multiple loads or circuits. The 12V rating is standard for most automotive systems, making it a go-to choice for my needs.
Key Features to Look For
In my experience, several features significantly impact the performance and suitability of a 12V DPDT relay. Here’s what I recommend considering:
- Coil Voltage: Since I’m working with 12V systems, I always make sure the relay is designed for this voltage. It ensures compatibility and prevents damage.
- Current Rating: I check the current ratings for both the coil and the contacts. Depending on my application, I look for relays that can handle at least 10A to ensure they can manage the loads I plan to switch.
- PCB Mounting: I prefer relays that offer PCB mounting options. They provide a cleaner installation and are easier to integrate into my circuit boards.
- Contact Configuration: The DPDT configuration allows me to control two circuits. I look for relays that offer normally open (NO) and normally closed (NC) contacts, giving me flexibility in my designs.
- Durability: Automotive environments can be tough. I always opt for relays that are rated for high temperatures and vibrations. Look for relays with robust materials and good sealing if you expect exposure to moisture.
Types of DPDT Relays
I’ve encountered various types of DPDT relays, and knowing the differences has been beneficial:
- Electromechanical Relays: These are the traditional relays that I often use. They have a physical switching mechanism and are great for standard applications.
- Solid State Relays: For projects that require faster switching and longer life, I sometimes consider solid-state relays. They have no moving parts but can be more expensive.
- Automotive-Grade Relays: I prefer relays specifically designed for automotive use, as they typically include features that enhance reliability in harsh conditions, such as temperature tolerance and vibration resistance.
Where to Buy
Over the years, I’ve discovered several reliable sources for purchasing 12V DPDT relays:
- Local Electronics Stores: I often visit my local electronics suppliers, where I can see and compare products directly.
- Online Retailers: Websites like Amazon, eBay, and specialized electronic component suppliers (like Digi-Key or Mouser) have vast selections. I appreciate the user reviews that help me gauge the quality of the product.
- Automotive Supply Stores: For more automotive-specific applications, I find that local auto parts stores often carry suitable relays.
Price Considerations
I’ve noticed that prices for 12V DPDT relays can vary widely based on quality and features. Generally, I find that decent quality relays range from $5 to $15 each. For bulk purchases, I also look for discounts from suppliers, which can save me some money.
Final Thoughts
Buying a 12V DPDT relay for automotive use can seem daunting at first, but with the right knowledge, it becomes much more manageable. I’ve learned that considering the features, types, and sources can help ensure I make a purchase that meets my needs. I hope this guide serves as a useful resource for you in your automotive projects. Happy building!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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