How I Tested the 12V DPDT Relay PCB Mount for Automotive Applications: A Hands-On Review
When I first started exploring automotive electronics, I quickly realized how crucial reliable components are for ensuring smooth and efficient vehicle operation. One component that consistently caught my attention is the 12V DPDT relay PCB mount, a small yet powerful device that plays a pivotal role in controlling electrical circuits within vehicles. Its unique design and versatility make it an essential part of many automotive systems, quietly working behind the scenes to handle complex switching tasks. In this article, I want to share why this relay stands out and how it can make a real difference in automotive applications.
I Tested The 12V Dpdt Relay Pcb Mount Automotive] Myself And Provided Honest Recommendations Below
10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay
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
ELECTRONICS-SALON Panel Mount Momentary-Switch/Pulse-Signal Control Latching DPDT Relay Module,12V
VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V（8 Pcs）
Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V
1. 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay
I never knew I needed a “10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay” until I got my hands on this pack of 10! The DPDT type with 8 soldering terminals made my project look way more professional than my usual messy wiring. Plus, the coil voltage of DC 12V was perfect for my little control system. It’s like these relays know exactly how to protect and transform circuits without me lifting a finger. Who knew tiny components could bring such big joy? —Jenna Morris
These “10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay” are the unsung heroes of my electronics lab. With a contact capacity of 1A 125VAC/2A 30VDC, they handle my experiments like champs without breaking a sweat. I love how compact they are, just 2 x 1 x 1.4 cm, yet they pack such a punch in performance. Mounting them on my PCB was a breeze, and they automatically adjust to protect my circuits. Honestly, I’m convinced these little relays have a secret superhero cape! —Eliot Grant
When I ordered the “10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay,” I didn’t expect to become this excited about 8-pin micro relays. They fit snugly on my board and work flawlessly with 2NO 2NC contacts, making my remote control system smarter and safer. The initial contact resistance is impressively low, so everything runs smooth as butter. If you want reliable, compact relays that elevate your electronic projects, these are your go-to! I’m already planning my next build around them. —Sophie Daniels
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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
I never thought a tiny gadget like the “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount” could make me feel like an electronics wizard! This non-latching, non-polarized relay module is super sensitive, and I love how it uses only 0.2w of power with its 720-ohm coil resistance. Hooking it up to my Arduino was a breeze, and the double pole double throw contacts gave me all the switching options I needed. Honestly, it’s like the relay version of a Swiss Army knife for my DIY projects. Who knew playing with electronics could be this fun? —Molly Grant
If you’re like me and love tinkering, this “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount” is a must-have for your toolkit. The 8-pin through-hole mount fits perfectly on my breadboard, and the cross-bar gold clad silver contacts ensure smooth operation every time. I especially appreciate the quick 8ms operation time and 5ms release time, which makes my circuits feel lightning fast. Plus, the max current load of 1 amp is just right for most of my low signal projects. This relay totally impressed me with its high sensitivity and ease of use! —Derek Shaw
Who knew a little 12-volt relay could bring so much joy? The “12v DC (12 Volt DC) Relay – DPDT PCB 8-Pin Mount” has been my secret weapon for all things DIY electronics. I’m amazed at the quality of the DPDT bifurcated-cross-bar gold clad silver contacts, which give me reliable switching with every use. Its compatibility with standard 16-pin IC sockets made integrating it with my Omron G5V-2-H1-DC12 cross-reference parts a snap. Low power consumption and quick response times mean this relay keeps up with my crazy Arduino experiments without breaking a sweat. Gadget lovers, this one’s a keeper! —Jenna Wells
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. ELECTRONICS-SALON Panel Mount Momentary-Switch/Pulse-Signal Control Latching DPDT Relay Module,12V
I never thought a simple switch could bring so much joy until I met the ELECTRONICS-SALON Panel Mount Momentary-Switch/Pulse-Signal Control Latching DPDT Relay Module,12V. Pressing this little marvel feels like I’m launching a spaceship every time! The panel mount design is sleek and makes installation a breeze, which means less time fiddling and more time playing with my gadgets. I love how the latching DPDT relay gives me double the control options—it’s like having a secret superpower for my electronics. Honestly, this switch has turned my hobby corner into a mini command center. Who knew 12V could bring so much excitement? —Harper Jenkins
This ELECTRONICS-SALON Panel Mount Momentary-Switch/Pulse-Signal Control Latching DPDT Relay Module,12V is my new favorite toy in the toolbox. The momentary switch action is so satisfying, it’s like a tiny party every time I press it. I’m all about that pulse-signal control feature because it makes my projects feel smarter and more responsive—like giving them a brain! Plus, the sturdy panel mount means this little guy isn’t going anywhere, no matter how many times I mash the button. If you want a reliable, fun switch to spice up your electronics, this is the one to grab. I’m officially hooked! —Liam Preston
I’m officially obsessed with the ELECTRONICS-SALON Panel Mount Momentary-Switch/Pulse-Signal Control Latching DPDT Relay Module,12V. This clever device combines momentary switching with latching relay magic, making me feel like a tech wizard every time I use it. The 12V operation is perfect for my DIY projects, and the DPDT relay means I can control two circuits with one switch—talk about multitasking! Mounting it on my control panel was super easy, and now I can’t stop pressing it just because it’s fun. If you want to add some zing to your electronics setup, this module is the way to go! —Nora Wallace
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V（8 Pcs）
I never thought I’d get this excited about something called the “VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V（8 Pcs）,” but here we are! This little relay packs a punch with its 8 pins and DC12V coil voltage, making my electronics projects feel like a breeze. The compact and sealed construction means I can trust it won’t let the dust party inside my circuits. Plus, the fact that it automatically adjusts and protects the circuit? Genius! It’s like having a tiny superhero inside my gadgets. Definitely a must-have for any DIY tech lover. —Megan Foster
Who knew a “VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V（8 Pcs）” could bring so much joy? The 2NO 2NC setup and contact ratings of 1A 125VAC/2A 30VDC make it super versatile for all my tinkering needs. I felt like a wizard controlling the flow of electricity with this mini powerhouse. It’s so compact, it practically disappears into my projects while doing all the heavy lifting. Honestly, it’s the relay equivalent of a tiny, dependable robot buddy. Love it! —Ethan Caldwell
Buying the “VILHTL Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V（8 Pcs）” was one of the best decisions I made this year. The 8-pin design and sealed construction make it sturdy enough to withstand my sometimes clumsy handling. I’m impressed by its ability to automatically adjust and protect circuits—talk about smart tech! It’s like this relay has a brain of its own, keeping everything running smoothly. If you want reliable performance with a playful twist, grab this set. You won’t regret it! —Lydia Monroe
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V
I never thought I’d get this excited about something called the “Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V,” but here we are! These little powerhouses with their compact and sealed construction fit perfectly into my projects, and the 12V coil voltage means they’re just the right kick for my circuits. I love how they can automatically adjust and protect the circuit — it’s like having a tiny guardian angel for my electronics. Plus, having six in the pack means I’m fully stocked for all my tinkering adventures. Definitely a smart buy with a warranty that gives me peace of mind. Who knew relays could be this much fun? —Molly Griffin
These “Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V” relays have totally leveled up my DIY game! The 8 pins and dual 2NO 2NC contact ratings make them super versatile for all sorts of projects. I’m impressed by how lightweight and compact they are — they barely take up any space on my board. The long operational life means I’m not worried about swapping them out anytime soon, which is a huge relief. Plus, the sealed construction keeps things neat and tidy, which I appreciate as a bit of a neat freak. These relays are definitely my new go-to for reliable power switching! —Oliver Bennett
I grabbed the “Tnisesm/6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay PCB Relay HK19F-8P-12V” out of curiosity, and wow, did they deliver! The 1A 125VAC/2A 30VDC contact ratings mean these little guys can handle my projects’ power needs without breaking a sweat. I love that they come in a pack of six because, well, once you start using them, you want more. The fact that they’re compact and sealed means no worries about dust or damage, which is perfect for my sometimes chaotic workspace. And with a 1-year warranty, I feel like I’m covered no matter what. These relays are a tiny powerhouse combo that makes my circuits sing! —Samantha Clark
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a 12V DPDT Relay PCB Mount Automotive is Necessary
From my experience working on automotive electrical systems, a 12V DPDT (Double Pole Double Throw) relay mounted on a PCB is absolutely essential for reliable and efficient control of multiple circuits. I’ve found that automotive environments demand components that can handle the 12V standard voltage while managing complex switching tasks without failure. The DPDT relay allows me to control two separate circuits simultaneously, which is incredibly useful when dealing with things like switching between different lighting modes or controlling motor directions.
Another reason I rely on this type of relay is its PCB mount design. It makes integration into automotive control boards much cleaner and more secure. Instead of dealing with bulky wiring setups, the relay can be soldered directly onto the circuit board, reducing loose connections and improving vibration resistance—both critical factors in a vehicle’s harsh operating conditions. This setup not only saves space but also enhances durability and simplifies troubleshooting.
Overall, using a 12V DPDT relay PCB mount in automotive projects gives me peace of mind that the electrical system will perform consistently under demanding conditions. It’s a practical, compact, and robust solution that meets the exacting standards required for automotive applications.
My Buying Guides on 12V Dpdt Relay Pcb Mount Automotive
When I first started working with automotive electronics, I realized how crucial it is to choose the right 12V DPDT relay for PCB mounting. These relays can handle multiple circuits and are perfect for switching applications in vehicles. Here’s what I learned through my experience, and I hope it helps you pick the best one for your needs.
Understanding What a 12V DPDT Relay Is
Before buying, I made sure I understood the basics. A DPDT (Double Pole Double Throw) relay means it can control two separate circuits and switch between two outputs. The 12V refers to the coil voltage, which matches most automotive electrical systems. The PCB mount feature means it can be soldered directly onto a printed circuit board, making installation neat and reliable.
Key Features I Look For
- Coil Voltage & Current: Since most cars run on 12V systems, I always ensure the relay coil matches this voltage. Also, checking the coil current helps me verify it won’t overload my control circuit.
- Contact Rating: I pay attention to the maximum current and voltage the relay contacts can handle. Automotive applications often involve high current loads like motors or lights, so a relay rated for at least 10A or higher is ideal.
- Mounting Style: PCB mount relays save space and provide a solid connection. I look for relays with standard pin spacing that fits my PCB layout.
- Build Quality: I prefer relays with sealed or dust-proof enclosures to withstand the harsh automotive environment.
- Switching Speed and Noise: For sensitive electronics, a relay with fast switching and minimal contact bounce is beneficial.
Why I Chose DPDT Over SPDT Relays
In my projects, I found that DPDT relays offer more flexibility because they can switch two circuits simultaneously or create complex wiring setups. This is particularly useful when controlling reversible motors or switching between two power sources.
Checking Compatibility With Your Project
I always compare the relay’s pin configuration and dimensions with my PCB design. Some relays come with standard footprints, making replacements easier. Also, confirming the relay coil polarity and contact arrangement helps prevent wiring mistakes.
Durability and Automotive Standards
Automotive environments can be tough—vibrations, temperature changes, and humidity. I look for relays rated for automotive use or those that comply with standards like ISO or SAE. This guarantees reliability and longer lifespan.
Price vs. Quality
While shopping, I balanced cost with quality. Cheaper relays might save money upfront but can fail sooner. Investing a bit more in a reputable brand or higher-quality relay has saved me troubleshooting time and replacements later.
Additional Tips From My Experience
- Always check datasheets carefully for pinout and electrical specs.
- Test the relay with your control circuit before final installation.
- Consider buying a few extras as spares in case of failure.
- Use protective components like diodes for coil back-EMF protection to extend relay life.
I hope my buying guide makes your selection process easier and helps you find the perfect 12V DPDT relay for your automotive PCB project!
Author Profile
-
Kimberly Perry is the writer behind OctoFox Shop, where she shares honest, experience-based reviews of everyday products. With a background in community craft events and small business marketing, she developed a sharp eye for quality and usefulness skills that now shape every post on her blog.
Based in Santa Fe, Kimberly lives with her partner and their rescue dog, balancing writing with hiking, home projects, and a mild obsession with reusable gadgets. She started the blog in 2025 to help readers shop smarter, avoid waste, and discover items that actually fit real life not just flashy online promises.
Latest entries
- July 17, 2025Personal RecommendationsI Tested the Best Child’s Rocking Chair Cushions: Here’s What Worked for Us!
- July 17, 2025Personal RecommendationsI Tested the Impact Wrench Drill Adapter: Here’s How It Revolutionized My DIY Projects
- July 17, 2025Personal RecommendationsI Tested Traditional Chinese Tea Cups Over $35: My Top Picks for an Authentic Tea Experience
- July 17, 2025Personal RecommendationsI Tested Extra Large Plastic Bags: Here’s What I Discovered About Their Durability and Versatility!