Mini Round Cylinder Solenoid Electromagnet DC 7.4V 9V 12V

Upgrade your DIY electronics projects with this compact Mini Round Cylinder Solenoid Electromagnet. Designed to work across a wide voltage range — DC 7.4V, 9V, and 12V — this push-pull type linear solenoid delivers reliable electromagnetic force in a small, versatile form factor. Whether you're building a custom locking mechanism, an automation circuit, or a creative robotics project, this electromagnet is a go-to component for makers and hobbyists alike.

Key Features

• Wide Voltage Compatibility: Works with DC 7.4V, 9V, and 12V power supplies for flexible integration into your projects
• Push-Pull Linear Action: Provides smooth, reliable linear motion ideal for lock mechanisms, triggers, and automated systems
• Durable Metal Construction: Built from alloy steel for long-lasting performance in workshop and hobbyist environments
• Compact Round Cylinder Design: Space-saving 10mm round cylinder form fits neatly into enclosures and custom builds
• Low Resistance: 31-ohm coil resistance ensures efficient power draw during operation
• Convenient Lead Wires: 15mm lead-out wires included — red wire (positive) and black wire (negative) for easy, intuitive wiring
• Simple Integration: Ready to connect and use right out of the box — no complex setup required

Specifications

• Operating Voltage: DC 7.4V / 9V / 12V
• Type: Push-Pull Linear Solenoid
• Resistance: 31 ohms
• Lead Wire Length: 15mm
• Material: Alloy Steel (Metal)
• Shape: Mini Round Cylinder
• Package Contents: 1 × Solenoid Electromagnet

Important Usage Note

To protect the electromagnet and maintain optimal performance, avoid operating in environments where temperatures exceed 75°C (167°F). Sustained high temperatures above this threshold may cause damage to the coil. Ensure your circuit is properly managed and cooled when running under extended load.

Note: Colors shown in product images may vary slightly from the actual item due to monitor brightness and display settings.

Perfect For

• DIY fingerprint lock and access control systems
• Robotics and automation builds
• Custom drawer or cabinet locking mechanisms
• Electronics hobby and prototyping projects
• Educational science and engineering experiments

For more information on safe electronics practices for DIY and hobbyist projects, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What is a mini round cylinder solenoid electromagnet used for in DIY projects?

A: A mini round cylinder solenoid electromagnet is used to create linear push-pull motion in DIY builds. Common applications include custom locking mechanisms (such as fingerprint-activated locks), robotics, automated triggers, and electronics prototyping. It converts electrical energy into mechanical movement, making it a versatile component for hobbyists and makers.

Q: What voltage does this solenoid electromagnet support?

A: This solenoid electromagnet is compatible with DC 7.4V, 9V, and 12V power supplies. This wide voltage range makes it easy to integrate with common battery packs, power banks, or DC adapters used in most DIY electronics and robotics projects.

Q: How do I wire the solenoid electromagnet correctly?

A: Wiring is straightforward — connect the red lead wire to the positive (+) terminal and the black lead wire to the negative (−) terminal of your DC power source. The lead-out wires are 15mm in length. Always double-check your polarity before powering on to ensure proper operation and avoid damage.

Q: Is there a temperature limit I should be aware of when using this electromagnet?

A: Yes. Avoid operating the electromagnet in conditions where the temperature exceeds 75°C (167°F). Sustained exposure above this threshold risks damaging the coil. For extended-use applications, ensure adequate ventilation and consider duty-cycle management to keep operating temperatures within a safe range.