{"product_id":"sdk2-0730s-dc12v-24w-through-type-bidirectional-self-holding-solenoid","title":"12V Latching Solenoid SDK2-0730S – Self-Holding Push-Pull Lock for DIY Robotics \u0026 Electronics","description":"\u003cstyle\u003e\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:wght@400;500;600;700\u0026display=swap');\n  .nzn-desc .tagline{font-family:'DM Sans',sans-serif;font-size:17px;line-height:1.7;color:#333;border-left:3px solid #e07e2c;padding-left:16px;margin-bottom:32px}\n  .nzn-desc .section-title{font-family:'DM Sans',sans-serif;font-size:15px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#e07e2c;margin-bottom:14px}\n  .nzn-desc .specs-table{width:100%;border-collapse:collapse;margin-bottom:32px;font-family:'DM Sans',sans-serif;font-size:14px}\n  .nzn-desc .specs-table tr{border-bottom:1px solid #ebebeb}\n  .nzn-desc .specs-table tr:last-child{border-bottom:none}\n  .nzn-desc .specs-table td{padding:10px 8px}\n  .nzn-desc .specs-table td:first-child{color:#888;width:42%;font-size:14px}\n  .nzn-desc .specs-table td:last-child{font-weight:600;color:#1a1a1a}\n  .nzn-desc .uses-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:32px}\n  .nzn-desc .use-item{background:#f7f7f7;border-left:3px solid #e07e2c;padding:12px 14px;font-family:'DM Sans',sans-serif;font-size:13.5px;line-height:1.5;color:#2a2a2a}\n  .nzn-desc .note{background:#fafafa;border:1px solid #e8e8e8;border-radius:4px;padding:14px 16px;font-family:'DM Sans',sans-serif;font-size:13px;color:#888;line-height:1.6}\n  .nzn-desc .note strong{color:#555}\n  .nzn-desc .setup-box{background:#f0f7ff;border-left:3px solid #4a90d9;padding:14px 16px;font-family:'DM Sans',sans-serif;font-size:13px;color:#2c4a6e;line-height:1.7;margin-bottom:32px;border-radius:0 4px 4px 0}\n  .nzn-desc .faq-item{margin-bottom:12px}\n  .nzn-desc .faq-q{font-family:'DM Sans',sans-serif;font-size:13.5px;font-weight:700;color:#1a1a1a;margin-bottom:3px}\n  .nzn-desc .faq-a{font-family:'DM Sans',sans-serif;font-size:13.5px;color:#555;line-height:1.5;padding-left:14px;border-left:2px solid #e07e2c}\n  .nzn-desc hr.divider{border:none;border-top:1px solid #ebebeb;margin:28px 0}\n\u003c\/style\u003e\n\u003cdiv class=\"nzn-desc\" style=\"max-width:1200px;margin:0 auto;\"\u003e\n  \u003cp class=\"tagline\"\u003eCompact bidirectional self-holding (latching) solenoid rated DC 12V, 24W. Pulse it briefly to actuate — it holds its extended or retracted position without ongoing power. IP67 sealed. 5mm stroke, 5–7N holding force, ≥100,000 actuation life. Ideal for electronic locks, robotics, and battery-powered builds.\u003c\/p\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eSpecifications\u003c\/p\u003e\n  \u003ctable class=\"specs-table\"\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e24W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e~2A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003e6.5Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStroke\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePush\/Pull Force\u003c\/td\u003e\n\u003ctd\u003e2–3N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHolding Force\u003c\/td\u003e\n\u003ctd\u003e5–7N\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLife Cycle\u003c\/td\u003e\n\u003ctd\u003e≥100,000 actuations\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWorking Cycle\u003c\/td\u003e\n\u003ctd\u003e0.2s on \/ 0.2s off (max duty)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e−40°C to +90°C (5–85% RH)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Size\u003c\/td\u003e\n\u003ctd\u003e32.7 × 18 × 16.5mm (L × W × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e40g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLead Length\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eWiring \u0026amp; Driver Requirement\u003c\/p\u003e\n  \u003ctable class=\"specs-table\"\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRed wire\u003c\/td\u003e\n\u003ctd\u003e+12V — connect to positive supply via driver\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBlack wire\u003c\/td\u003e\n\u003ctd\u003eGND — connect to ground\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003cdiv class=\"setup-box\"\u003e\n    \u003cstrong\u003eImportant:\u003c\/strong\u003e Do not connect directly to an Arduino, Raspberry Pi, or ESP32 output pin — the solenoid draws ~2A which far exceeds any GPIO's drive capability and will damage your board.\u003cbr\u003e\u003cbr\u003e\n    \u003cstrong\u003eUse a driver circuit:\u003c\/strong\u003e Connect your GPIO to a MOSFET (e.g. IRLZ44N or similar logic-level FET), relay module, or motor driver board. The GPIO controls the gate; the FET\/relay switches the 12V supply to the solenoid.\u003cbr\u003e\u003cbr\u003e\n    \u003cstrong\u003ePulse to actuate:\u003c\/strong\u003e Apply 12V briefly (50–200ms) to extend or retract. The solenoid holds position when power is removed — no ongoing current required.\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eWhat's Included\u003c\/p\u003e\n  \u003ctable class=\"specs-table\"\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1 ×\u003c\/td\u003e\n\u003ctd\u003eSDK2-0730S latching solenoid with 200mm pre-attached lead wires\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eCommon Uses\u003c\/p\u003e\n  \u003cdiv class=\"uses-grid\"\u003e\n    \u003cdiv class=\"use-item\"\u003eElectronic locks for enclosures, cabinets \u0026amp; access control\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eRobotics \u0026amp; automation — compact linear push-pull motion\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eBattery-powered builds requiring hold without continuous current draw\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eVending machine \u0026amp; dispensing mechanism actuation\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eTextile machinery \u0026amp; precise fabric handling\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eDIY maker builds requiring a latching solenoid mechanism\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eCommon Questions\u003c\/p\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eDoes it hold position when power is removed?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003eYes — this is a self-holding (latching) solenoid. Once actuated with a brief pulse, it holds its position magnetically without any ongoing current. This is the key difference from a standard solenoid, which returns to its rest position when power is removed.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eWhat MOSFET should I use with this?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003eAny logic-level N-channel MOSFET rated for at least 3A at 12V is suitable — the IRLZ44N is a common choice. Add a flyback diode (e.g. 1N4007) across the solenoid terminals to protect against voltage spikes when switching off.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"note\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Requires a MOSFET, relay, or motor driver — do not connect directly to GPIO pins. Pulse to actuate; sustained power generates significant heat. Respect 0.2s on \/ 0.2s off duty cycle.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NZN Electronics","offers":[{"title":"Default Title","offer_id":42644901691488,"sku":"SOL-SDK2-0730S-12V","price":9.95,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/SDK030-S-Banner-Nologo.png?v=1778272840","url":"https:\/\/www.nznelectronics.co.nz\/products\/sdk2-0730s-dc12v-24w-through-type-bidirectional-self-holding-solenoid","provider":"NZN Electronics","version":"1.0","type":"link"}