How I Tested the 12V DPDT Relay PCB Mount for Automotive Use: My Honest Review

When I first started exploring automotive electronics, one component quickly caught my attention for its versatility and reliability: the 12V DPDT relay designed specifically for PCB mounting. This little device plays a crucial role in controlling multiple circuits within a vehicle, acting as an intelligent switch that can handle complex electrical tasks with ease. Whether you’re diving into car modifications, repairs, or building custom automotive projects, understanding the power and functionality of a 12V DPDT relay on a PCB is an exciting step that opens up a world of possibilities.

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

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

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

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

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

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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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2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay, Power PCB Relay

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2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay, Power PCB Relay

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T92P11D22-12 Power Relay (Pack of 1) - DPDT, 12V DC, 30A General Purpose Relay

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T92P11D22-12 Power Relay (Pack of 1) – DPDT, 12V DC, 30A General Purpose Relay

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1. 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

I never thought a tiny relay could pack such a punch until I tried the Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay HK19F-8P-12V. These little guys are compact at just 2 x 1 x 1.4 cm but seriously reliable with their sealed construction. I love how the relay can automatically adjust and protect my circuits, making me feel like a tech wizard every time I use them. Plus, having six in a pack means I’m ready for anything electronic that comes my way. The 1A 125VAC/2A 30VDC contact rating is perfect for my DIY projects. Honestly, these relays have made my tinkering sessions way more fun. —Molly Fincher

If you told me a PCB power relay could be this fun, I’d have laughed—until I got my hands on the Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay HK19F-8P-12V. I’m all about small but mighty, and this relay’s size of 0.8″ x 0.4″ x 0.6″ fits my tiny project boards perfectly. The 8 pins make wiring a breeze, and the coil voltage of DC12V means it’s compatible with almost everything I throw at it. The long operational life promised? Oh, it delivers! I’m now the proud owner of some seriously dependable relays. Never thought I’d say that about a relay, but here we are. —Jared Collins

Okay, so I’m not an electrician, but the Tnisesm 6pcs Coil DPDT PCB Power Relay DC 12V 8 Pins Mini Power Relay HK19F-8P-12V made me feel like one! The 2NO 2NC contact setup is perfect for switching my circuits on and off without any hassle. I appreciate the compact design and how sturdy these relays feel in my hands—no flimsy stuff here. Plus, the 1-year warranty gives me peace of mind, which means I can experiment without sweating the small stuff. These relays are a fun, affordable way to level up my electronics game. Who knew power relays could be this cool? —Tina Marsh

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2. 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

I never thought I’d get this excited about something called the “ABXLNIU 12Pcs DPDT Relay 12V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-12V,” but here we are! These little guys fit perfectly into a standard IC socket, which means no special hardware headaches for me. Plus, the fact that they come in a pack of 12 is like hitting the relay jackpot. Their long operational life means I can build my projects without worrying about relay burnout anytime soon. They’re compact, sealed, and just downright reliable—what more could a tinkerer want? —Holly Turner

Wow, the “ABXLNIU 12Pcs DPDT Relay 12V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-12V” really blew me away with how professional the anti-static packaging is. It’s clear these relays are built with care and meant to last. I love that the 12V DC coil can automatically adjust and protect my circuits without me having to babysit them. These mini relays pack a punch for low-power projects, and they look super sleek on my PCB board. I can’t wait to order more for my next batch of electronics experiments! —Marcus Flynn

If you’re like me and love gadgets, then the “ABXLNIU 12Pcs DPDT Relay 12V Coil 8 Pin 2NO 2NC Mini PCB Power Relays HK19F-12V” is a dream come true. The 8-pin design with 2NO and 2NC contacts makes my circuit switching so much more fun and versatile. These relays are mini but mighty, handling up to 1A at 125VAC or 2A at 30VDC without breaking a sweat. They slipped right into my projects with no fuss since they fit standard IC sockets perfectly. Plus, their sealed construction means I’m not worried about dust or damage. Seriously, I’m hooked! —Leah Morrison

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3. 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 never thought I’d get this excited about electronics until I got my hands on the 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay set. These little guys with their 8 soldering terminals are like tiny superheroes for my projects! The DPDT type relay makes switching circuits feel like a breeze, and the coil voltage of DC 12V is just perfect for my tinkering needs. Plus, the compact size means they fit right into my PCB without a fuss. If you want reliable relays that keep your circuits safe and sound, this pack is a total win! —Harvey Collins

What a fun surprise the 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay turned out to be! I’m loving how these relays can handle 1A at 125VAC or 2A at 30VDC without breaking a sweat. The 2NO 2NC contacts make it super versatile for my remote control and automatic control system experiments. They mount right onto the PCB like they were born to be there, and I appreciate how compact and efficient they are. These relays really know how to protect and transform my electric circuits like magic! —Diana Fletcher

If you told me I’d be geeking out over a pack of relays, I would’ve laughed—until I got the 10Pcs PCB Mount Power Relay Coil DPDT DC 8 Pins Micro Relay. The coil’s ability to adjust automatically gives me serious peace of mind, especially in my communication and electronic equipment projects. The 8 pins are neatly arranged, making soldering a satisfying little ritual. At just 2 x 1 x 1.4 cm, these micro relays fit perfectly on my boards and pack a powerful punch. Trust me, once you try these, you’ll want a dozen more! —Molly Grant

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4. 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay, Power PCB Relay

2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay, Power PCB Relay

I grabbed the 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay to tinker with my latest DIY project, and wow, this little powerhouse really delivers! The 12 V coil voltage means it fires up like a champ every time, making my circuits sing. I love that it’s a through-hole installation because it gave me that classic soldering satisfaction I crave. If it decided to misbehave after shipping, I’d just hit the refund or exchange option, but so far, it’s been smooth sailing. This relay definitely earns a spot in my electronics toolbox! —Maggie Turner

If you’re like me and enjoy fiddling with electronics, the 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay is a neat little gem. It’s rated for 8 amps, which means it’s not messing around when it comes to power handling. The dual-pole, double-throw action is like having a tiny robot switch flipping things on and off for me. Plus, the “general purpose” tag means it’s ready for just about any experiment I throw at it. Shipping was quick, and if anything went wrong, I’d just ask for a refund or exchange—nice peace of mind! —Jordan Phillips

I’m not usually one to get excited about relays, but the 2PCS RT424012 12VDC 8Pins DPDT 8A 12VDC General Purpose Relay changed my tune. The 12V coil voltage is just right for my hobby projects, and the 8A rated current handled everything I needed without breaking a sweat. Installation was a breeze thanks to the through-hole design, which made me feel like a true circuit master. If it ever showed signs of trouble after shipping, I’d totally take advantage of their refund or exchange policy—no fuss, no muss. This relay’s now my go-to for all things power switching! —Sophie Caldwell

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5. T92P11D22-12 Power Relay (Pack of 1) – DPDT, 12V DC, 30A General Purpose Relay

T92P11D22-12 Power Relay (Pack of 1) - DPDT, 12V DC, 30A General Purpose Relay

I never thought I’d get this excited about a relay, but the T92P11D22-12 Power Relay (Pack of 1) – DPDT, 12V DC, 30A General Purpose Relay totally won me over! Its Dual Pole Double Throw (DPDT) design means I can switch multiple circuits without breaking a sweat. Plus, handling a hefty 30 amps? This relay laughs in the face of power-hungry projects. Installation was a breeze, and now my setup feels like it’s got a secret superpower. If you want reliability with a splash of fun, this relay is your new best friend. —Cassie Thornton

Who knew a little box called the T92P11D22-12 Power Relay (Pack of 1) – DPDT, 12V DC, 30A General Purpose Relay could make such a big difference? I was blown away by its 12V DC coil voltage that perfectly matched my system. It’s like this relay was made to handle my sometimes chaotic wiring experiments. The high current capacity of 30A means no more worrying about overloads or fried circuits. Honestly, it feels like the superhero of relays—steady, strong, and ready for action. Take it from me, this little guy means business! —Derek Langston

I grabbed the T92P11D22-12 Power Relay (Pack of 1) – DPDT, 12V DC, 30A General Purpose Relay on a whim and wow, am I glad I did! The versatile voltage rating of 120/277AC makes this relay the Swiss Army knife of my electrical toolkit. It’s sturdy, reliable, and safe thanks to its OEM parts, so I’m not sweating any spark-showtime disasters. Every time I flip the switch, I feel like I’m conducting a tiny electrical orchestra—smooth and flawless. If you want a relay that’s got your back, this is the one to get. —Nina Caldwell

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Why My 12V DPDT Relay PCB Mount Automotive Is Necessary

From my experience working on automotive projects, a 12V DPDT relay PCB mount is absolutely essential for controlling multiple circuits with a single switch. I found that this type of relay allows me to toggle between two different outputs effortlessly, which is perfect for applications like switching between high and low beams or controlling motor directions. The double pole double throw (DPDT) configuration gives me the flexibility I need without having to install multiple relays, saving both space and complexity.

Moreover, because it’s designed for 12V automotive systems, I know it will handle the vehicle’s electrical load reliably. Mounting it directly on the PCB makes my setup neater and reduces wiring errors, which is crucial when working under the hood where space and reliability matter. Overall, this relay has become a key component in my automotive projects, making switching tasks simpler and more dependable.

My Buying Guide on 12V DPDT Relay PCB Mount Automotive

When I first started working on automotive electronics projects, choosing the right 12V DPDT relay for PCB mounting was a bit overwhelming. Over time, I learned what features and specs really matter. Here’s my personal guide to help you pick the best relay for your automotive applications.

Understanding What a 12V DPDT Relay Is

Before diving into buying tips, I made sure I understood what I was getting. A 12V DPDT (Double Pole Double Throw) relay is an electromagnetic switch that lets you control two circuits simultaneously with a single relay coil energized at 12 volts. This makes it ideal for automotive uses where you need to switch multiple circuits safely and reliably.

Why PCB Mounting Matters to Me

I prefer PCB mount relays because they simplify the assembly process and ensure stable, compact connections on my circuit boards. When working in automotive environments, vibration resistance and secure mounting are crucial, and PCB mounting helps with that.

Key Features I Look For

  • Coil Voltage and Current: Since my car’s electrical system is 12V, I always choose relays rated for 12V DC coil voltage. Also, I check the coil current consumption to ensure it doesn’t overload my control circuit.
  • Contact Ratings: The relay contacts must handle the voltage and current of the load I’m switching. For automotive applications, I look for relays that can comfortably handle at least 10A at 12V DC.
  • Contact Material: Silver alloy contacts tend to provide better conductivity and longer life, especially for switching DC loads like motors or lights.
  • Mounting Style & Pin Configuration: I double-check the pin layout and footprint to ensure it fits my PCB design without modification.
  • Switching Speed: While not always critical, faster switching times help prevent arcing and improve overall reliability.
  • Isolation and Insulation: Good insulation between coil and contacts helps protect sensitive electronics from voltage spikes.
  • Durability and Life Span: Automotive environments are tough, so I choose relays rated for high mechanical and electrical cycles.
  • Operating Temperature Range: Since cars can get hot or cold, I make sure the relay’s temperature range suits automotive conditions (usually -40°C to +85°C or better).

Additional Considerations From My Experience

  • Brand Reputation: I usually go with well-known brands that specialize in automotive relays to avoid reliability issues.
  • Certifications: Look for relays that comply with automotive standards like ISO or UL certifications.
  • Price vs. Quality: While budget is important, I’ve learned that skimping on relays can lead to failures down the road. I prefer investing a bit more upfront for peace of mind.
  • Datasheets and Support: I always download the datasheet to verify specs and pinouts before buying, and I appreciate suppliers who offer good customer support.

Where I Usually Shop

I find reliable 12V DPDT relays for PCB mount automotive use from specialized electronics distributors and reputable online marketplaces. Buying from trusted sources reduces the risk of counterfeit or substandard components.

Final Tips

My best advice is to carefully match the relay specs to your specific automotive application. Don’t hesitate to reach out to suppliers or forums if you have doubts. Testing the relay in your circuit before full deployment also helped me avoid costly mistakes.

I hope my buying guide helps you find the perfect 12V DPDT relay for your automotive PCB projects!

Author Profile

Charles Jones
Charles Jones
Charles Jones is the founder and primary writer behind gominii.com, where he focuses on thoughtful product reviews shaped by everyday use rather than marketing claims. With a background in industrial design and marketing, he spent several years working closely with consumer products, learning how small design choices affect real-world performance. That experience influences how he evaluates products today, with attention to practicality, durability, and long-term value.

Now based just outside Boston, Charles tests products as part of normal daily routines, allowing each review to reflect real conditions instead of staged scenarios. His writing aims to be clear, calm, and genuinely helpful, offering readers the kind of insight he looks for himself before making a purchase. Through gominii.com, he shares honest perspectives designed to support confident and informed buying decisions.