Part Number: JJM1-12V

Manufacturer: Panasonic Electric Works


Shipped from: Shenzhen/HK Warehouse

Stock Available: Check with us

Technical Specifications of JJM1-12V

Datasheet  JJM1-12V datasheet
Category Relays
Family Power Relays, Over 2 Amps
Manufacturer Panasonic Electric Works
Series JJM
Packaging Bulk
Part Status Active
Relay Type Automotive
Coil Type Non Latching
Coil Current 53.3mA
Coil Voltage 12VDC
Contact Form SPDT (1 Form C)
Contact Rating (Current) 20A
Switching Voltage 14VDC – Nom
Turn On Voltage (Max) 7.2 VDC
Turn Off Voltage (Min) 1 VDC
Operate Time 10ms
Release Time 10ms
Features Sealed – Fully
Mounting Type Through Hole
Termination Style PC Pin
Contact Material Silver Alloy, Cadmium Free
Coil Power 640 mW
Coil Resistance 225 Ohms
Operating Temperature -40°C ~ 85°C


Electronics run everything in modern cars, from the lights to the air conditioning. Automotive relays are very important here because they act as smart wires that send electricity to the right parts.

Think about turning on the headlights of your car. Even though the switch starts the process, it is not practical to connect it straight to the headlights. In this case, the auto relay is the star. The switch turns on the relay’s coil, which closes its contacts magnetically. This lets more power flow from the battery to the headlights, making the road brighter.

The JJM1-12V and other parts like it aren’t just for cars; they’re also needed in factories and houses. The fact that they can safely handle heavy loads and use little power makes them useful in many situations.

This guide goes over the specifications, uses, installation, and upkeep of the JJM1-12V relay. We’ll take a closer look at how this seemingly simple device has a big impact on precision in cars and other places.

Unveiling the Significance of the JJM1-12V Automotive Relay

The JJM1-12V automotive relay isn’t just another part; it’s a brilliant way to solve important electrical control problems in cars and other places. Let’s look at the JJM1-12V relay’s key features and benefits that make it stand out, like its ability to handle heavy loads and its flexible 1 Form C (SPDT) setup.

● Powerful Handling: 20A at 12VDC

One of the best things about the JJM1-12V switch is that it can handle large electrical currents with ease. This relay can handle up to 20A at 12VDC, making it a safe protector for parts that need a strong current flow. The JJM1-12V relay works well in situations where power is most important, like powering high-wattage headlights or controlling systems that use a lot of power.

● 1 Form C (SPDT) Configuration: Versatile Control

The JJM1-12V relay’s 1 Form C (Single Pole, Double Throw) design lets you control electricity in a lot of different ways. It has one set of normally open (NO) and normally closed (NC) contacts that are managed by the coil of the relay. This makes it easy for the relay to switch between the two lines. For example, it can switch between turning on a fan to cool the device when the temperature goes up and turning on a warning light when a sensor finds something strange.

Advantages of the JJM1-12V Automotive Relay

● Precision Power Management

The high current handling capability of the JJM1-12V relay guarantees that power is delivered precisely where it is required, eliminating overloading and protecting sensitive components.

● Optimum Resource Allocation and Seamless Switching Between Different Circuits

The relay uses the 1 Form C design to improve resource allocation and switch between various circuits, increasing system efficiency.

● Performance Reliability

The JJM1-12V relay, which was built for robustness, performs consistently and dependably under adverse environmental circumstances, offering stability where it counts the most.

● Space Optimization

The relay’s small size and sturdy design make it the best option for installations with limited space since they enable flexible integration across numerous applications.

● Low Power Activation

Because of the relay’s effective design, it only needs a small amount of electricity to turn on, consuming less energy and improving overall energy efficiency.

● Wide Range of Applications

Although the JJM1-12V relay is designed for automotive use, its features are applicable to a wide range of applications, including industrial systems, appliances, and more.

Versatile Applications of JJM1-12V Automotive Relay

The JJM1-12V automotive relay isn’t limited to the narrow lanes of vehicle systems; it’s a versatile player that works with a wide range of uses. Let’s look at how well it adapts as it fits into automotive, industrial, and custom settings, making them more useful and performing better.

● Automotive Excellence

With the JJM1-12V relay, you can control your car’s headlights, brake lights, fans, power windows, and central locks. This gives you more precision and safety on the road.

● Industrial Efficiency

the industry thrives on speed, and the JJM1-12V relay has an effect on this area as well. It is in charge of the conveyor lines and carefully controls how they move. In manufacturing, it handles big machines and makes sure that everything runs smoothly. This relay works hard behind the scenes to power industrial processes and keep the stability of the system.

● Custom Creations

Where creativity has no limits, the JJM1-12V relay can be used as a blank slate. It can be made to fit unique projects, making them more useful and beautiful. Fans use it to make their ideas come to life, from automating their homes to making their own robots. Because the relay is flexible, you can make solutions that meet your specific goals and make your projects better.

● Energy Consciousness

As saving energy becomes more important, the JJM1-12V relay steps up. It makes sure that lights only turn on when they are needed. In systems that use renewable energy, it controls how the solar panels connect and how the batteries are charged. This helps to use power in a sustainable way. Its ability to handle high currents while using only a small amount of power to turn on fits in with the effort to be more eco-friendly.

The JJM1-12V car relay has changed from what it was at first into something that is very useful in many different situations. From the purring engines of cars to the humming machines of industry, and from custom ideas to solutions that use less energy, this relay adapts, gives power, and changes. Its presence can be felt in every area it touches, which shows how flexible and important it is to the complex web of modern electronics.


In the intricate symphony of electronics, the JJM1-12V automotive relay stands as a silent conductor, seamlessly directing power with precision. Its significance goes far beyond its compact form, resonating across automotive and non-automotive landscapes.

As you embark on your next innovation, Connect with ICRFQ, a leading electronic component distributor in China, renowned for offering top-quality products at competitive prices. Elevate your projects and embrace the potential of the JJM1-12V relay in shaping the landscape of modern electronics. Contact ICRFQ today to learn more and secure the key to unlocking innovation in your designs.

4.8/5 - (397 votes)
Kevin Chen