{"product_id":"mini-round-cylinder-solenoid-electromagnet-dc-7-4v-9v-12v","title":"Mini Round Cylinder Solenoid Electromagnet DC 7.4V 9V 12V","description":"\u003cp\u003eUpgrade your DIY electronics and smart lock projects with this compact \u003cstrong\u003eMini Round Cylinder Solenoid Electromagnet\u003c\/strong\u003e. Compatible with DC 7.4V, 9V, and 12V power supplies, this push-pull type linear solenoid is ideal for fingerprint lock assemblies, automated latches, custom access control builds, and a wide range of maker or robotics projects.\u003c\/p\u003e\n\n\u003cp\u003eBuilt from durable \u003cstrong\u003emetal construction\u003c\/strong\u003e, this mini solenoid delivers consistent electromagnetic performance in a space-saving cylindrical form factor. Whether you're building a custom cabinet lock, a home automation device, or an interactive DIY project, this solenoid provides reliable actuation every time.\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 inputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePush-Pull Type:\u003c\/strong\u003e Linear solenoid action suitable for locking and latching mechanisms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResistance:\u003c\/strong\u003e 31 ohms for stable current draw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead Wire:\u003c\/strong\u003e 15mm lead-out wire (red = positive, black = negative)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Round Cylinder Design:\u003c\/strong\u003e Easy to integrate into tight spaces and custom enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Built for repeated actuation cycles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Note:\u003c\/strong\u003e Avoid sustained operation above 75°C to prevent electromagnet damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e DC 7.4V \/ 9V \/ 12V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Push-Pull Linear Solenoid Electromagnet\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\u003eWiring:\u003c\/strong\u003e Red (+), Black (−)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × Mini Round Cylinder Solenoid Electromagnet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePerfect For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY fingerprint lock and smart door lock builds\u003c\/li\u003e\n  \u003cli\u003eAutomated cabinet or drawer latching systems\u003c\/li\u003e\n  \u003cli\u003eHome automation and access control projects\u003c\/li\u003e\n  \u003cli\u003eRobotics, Arduino, and Raspberry Pi applications\u003c\/li\u003e\n  \u003cli\u003eMaker and electronics hobbyist experiments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Colors in product images may appear slightly different due to monitor brightness and display settings. Always wire according to polarity markings (red = positive, black = negative).\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on electrical safety when working with low-voltage DC components in DIY projects, visit CPSC.gov – Consumer Product Safety Commission.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage does this mini round cylinder solenoid electromagnet support?\u003c\/h4\u003e\n\u003cp\u003eA: This solenoid electromagnet is compatible with DC 7.4V, 9V, and 12V power supplies, making it versatile for a wide range of DIY electronics and automation projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I wire the mini solenoid correctly?\u003c\/h4\u003e\n\u003cp\u003eA: Connect the red lead wire to the positive electrode and the black lead wire to the negative electrode. The lead-out wire length is 15mm, and the coil resistance is 31 ohms.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the maximum operating temperature for this solenoid electromagnet?\u003c\/h4\u003e\n\u003cp\u003eA: To avoid damage to the electromagnet coil, do not allow sustained operation above 75 degrees Celsius. Ensure adequate ventilation or duty-cycle management in high-frequency switching applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What projects is this mini cylinder solenoid best suited for?\u003c\/h4\u003e\n\u003cp\u003eA: It is ideal for DIY fingerprint lock assemblies, automated latch mechanisms, home automation access control, robotics projects, and Arduino or Raspberry Pi maker builds requiring compact push-pull linear actuation.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage does this mini round cylinder solenoid electromagnet support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This solenoid electromagnet is compatible with DC 7.4V, 9V, and 12V power supplies, making it versatile for a wide range of DIY electronics and automation projects.\"}}, {\"@type\": \"Question\", \"name\": \"How do I wire the mini solenoid correctly?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Connect the red lead wire to the positive electrode and the black lead wire to the negative electrode. 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