{"product_id":"mini-round-cylinder-solenoid-electromagnet-dc-12v-9v-push-pull-diy","title":"Mini Round Cylinder Solenoid Electromagnet DC 7.4V 9V 12V","description":"\u003cp\u003eUpgrade your DIY electronics projects with this compact \u003cstrong\u003eMini Round Cylinder Solenoid Electromagnet\u003c\/strong\u003e. 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.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Works with DC 7.4V, 9V, and 12V power supplies for flexible integration into your projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush-Pull Linear Action:\u003c\/strong\u003e Provides smooth, reliable linear motion ideal for lock mechanisms, triggers, and automated systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Built from alloy steel for long-lasting performance in workshop and hobbyist environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Round Cylinder Design:\u003c\/strong\u003e Space-saving 10mm round cylinder form fits neatly into enclosures and custom builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Resistance:\u003c\/strong\u003e 31-ohm coil resistance ensures efficient power draw during operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConvenient Lead Wires:\u003c\/strong\u003e 15mm lead-out wires included — red wire (positive) and black wire (negative) for easy, intuitive wiring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Integration:\u003c\/strong\u003e Ready to connect and use right out of the box — no complex setup required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e DC 7.4V \/ 9V \/ 12V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Push-Pull Linear Solenoid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 31 ohms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead Wire Length:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy Steel (Metal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Mini Round Cylinder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × Solenoid Electromagnet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant Usage Note\u003c\/h2\u003e\n\u003cp\u003eTo protect the electromagnet and maintain optimal performance, avoid operating in environments where temperatures exceed \u003cstrong\u003e75°C (167°F)\u003c\/strong\u003e. 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Colors shown in product images may vary slightly from the actual item due to monitor brightness and display settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY fingerprint lock and access control systems\u003c\/li\u003e\n  \u003cli\u003eRobotics and automation builds\u003c\/li\u003e\n  \u003cli\u003eCustom drawer or cabinet locking mechanisms\u003c\/li\u003e\n  \u003cli\u003eElectronics hobby and prototyping projects\u003c\/li\u003e\n  \u003cli\u003eEducational science and engineering experiments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on safe electronics practices for DIY and hobbyist projects, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a mini round cylinder solenoid electromagnet used for in DIY projects?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does this solenoid electromagnet support?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I wire the solenoid electromagnet correctly?\u003c\/h4\u003e\n\u003cp\u003eA: Wiring is straightforward — connect the \u003cstrong\u003ered lead wire to the positive (+) terminal\u003c\/strong\u003e and the \u003cstrong\u003eblack lead wire to the negative (−) terminal\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Is there a temperature limit I should be aware of when using this electromagnet?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Avoid operating the electromagnet in conditions where the temperature exceeds \u003cstrong\u003e75°C (167°F)\u003c\/strong\u003e. 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.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a mini round cylinder solenoid electromagnet used for in DIY projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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. 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