{"product_id":"4-3-matrix-12-key-membrane-switch-keypad-copy","title":"4×3 Matrix 12-Key Membrane Switch Keypad (Copy)","description":"\u003ch2 data-start=\"0\" data-end=\"64\"\u003eTeknoCrafters FA4043 4×3 Matrix 12-Key Membrane Switch Keypad\u003c\/h2\u003e\n\u003cp data-start=\"66\" data-end=\"409\"\u003eThe TeknoCrafters FA4043 is a compact 4×3 matrix membrane switch keypad featuring 16 tactile keys, ideal for seamless integration with Arduino, Raspberry Pi, and other microcontroller-based platforms. Its slim membrane construction and adhesive backing make it a preferred choice for projects that demand both reliability and space efficiency.\u003c\/p\u003e\n\u003ch3 data-start=\"411\" data-end=\"431\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp data-start=\"433\" data-end=\"805\"\u003eWith clearly labeled tactile keys in a standard 4×3 layout, this keypad provides a straightforward interface for user input. It’s perfect for tasks like numeric entry, menu selection, and password input in embedded systems. The flexible, durable membrane allows the keypad to be mounted in a variety of enclosures or directly on panels using its built-in adhesive backing.\u003c\/p\u003e\n\u003ch3 data-start=\"807\" data-end=\"823\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"825\" data-end=\"1123\"\u003e\n\u003cli data-start=\"825\" data-end=\"868\"\u003e\n\u003cp data-start=\"827\" data-end=\"868\"\u003e4×3 matrix layout with 12 responsive keys\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"869\" data-end=\"936\"\u003e\n\u003cp data-start=\"871\" data-end=\"936\"\u003eCompatible with Arduino, Raspberry Pi, and other microcontrollers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"937\" data-end=\"989\"\u003e\n\u003cp data-start=\"939\" data-end=\"989\"\u003e8-pin female header connector for easy interfacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"990\" data-end=\"1049\"\u003e\n\u003cp data-start=\"992\" data-end=\"1049\"\u003eSlim profile with adhesive backing for quick installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1050\" data-end=\"1123\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1123\"\u003eIdeal for compact control panels, security systems, and custom projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1125\" data-end=\"1153\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1155\" data-end=\"1839\"\u003e\n\u003cli data-start=\"1155\" data-end=\"1196\"\u003e\n\u003cp data-start=\"1157\" data-end=\"1196\"\u003e\u003cstrong data-start=\"1157\" data-end=\"1175\"\u003eCircuit Rating\u003c\/strong\u003e: 35V DC, 100mA, 1W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1197\" data-end=\"1270\"\u003e\n\u003cp data-start=\"1199\" data-end=\"1270\"\u003e\u003cstrong data-start=\"1199\" data-end=\"1221\"\u003eContact Resistance\u003c\/strong\u003e: 10Ω–500Ω (varies by lead length and material)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1271\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1273\" data-end=\"1316\"\u003e\u003cstrong data-start=\"1273\" data-end=\"1298\"\u003eInsulation Resistance\u003c\/strong\u003e: ≥100MΩ at 100V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1386\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1386\"\u003e\u003cstrong data-start=\"1319\" data-end=\"1351\"\u003eDielectric Withstand Voltage\u003c\/strong\u003e: 250V RMS (50–60Hz for 1 minute)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1387\" data-end=\"1420\"\u003e\n\u003cp data-start=\"1389\" data-end=\"1420\"\u003e\u003cstrong data-start=\"1389\" data-end=\"1412\"\u003eContact Bounce Time\u003c\/strong\u003e: ≤5ms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1421\" data-end=\"1454\"\u003e\n\u003cp data-start=\"1423\" data-end=\"1454\"\u003e\u003cstrong data-start=\"1423\" data-end=\"1442\"\u003eOperating Force\u003c\/strong\u003e: 150–200N\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1455\" data-end=\"1484\"\u003e\n\u003cp data-start=\"1457\" data-end=\"1484\"\u003e\u003cstrong data-start=\"1457\" data-end=\"1471\"\u003eKey Travel\u003c\/strong\u003e: 0.6–1.5mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1485\" data-end=\"1524\"\u003e\n\u003cp data-start=\"1487\" data-end=\"1524\"\u003e\u003cstrong data-start=\"1487\" data-end=\"1508\"\u003eKeypad Dimensions\u003c\/strong\u003e: 6.9 × 7.6 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1525\" data-end=\"1567\"\u003e\n\u003cp data-start=\"1527\" data-end=\"1567\"\u003e\u003cstrong data-start=\"1527\" data-end=\"1543\"\u003eCable Length\u003c\/strong\u003e: Approximately 8.5 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1568\" data-end=\"1616\"\u003e\n\u003cp data-start=\"1570\" data-end=\"1616\"\u003e\u003cstrong data-start=\"1570\" data-end=\"1601\"\u003eOperating Temperature Range\u003c\/strong\u003e: 0°C to 50°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1617\" data-end=\"1665\"\u003e\n\u003cp data-start=\"1619\" data-end=\"1665\"\u003e\u003cstrong data-start=\"1619\" data-end=\"1648\"\u003eStorage Temperature Range\u003c\/strong\u003e: -40°C to 80°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1666\" data-end=\"1726\"\u003e\n\u003cp data-start=\"1668\" data-end=\"1726\"\u003e\u003cstrong data-start=\"1668\" data-end=\"1690\"\u003eHumidity Tolerance\u003c\/strong\u003e: 90%–95% RH at 40°C for 240 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1727\" data-end=\"1791\"\u003e\n\u003cp data-start=\"1729\" data-end=\"1791\"\u003e\u003cstrong data-start=\"1729\" data-end=\"1753\"\u003eVibration Resistance\u003c\/strong\u003e: 20G max (10–200Hz per MIL-STD-202)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1792\" data-end=\"1839\"\u003e\n\u003cp data-start=\"1794\" data-end=\"1839\"\u003e\u003cstrong data-start=\"1794\" data-end=\"1810\"\u003eKey Lifespan\u003c\/strong\u003e: Over 1 million actuations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1841\" data-end=\"1865\"\u003eApplication Scenario\u003c\/h3\u003e\n\u003cp data-start=\"1867\" data-end=\"2208\"\u003eWhether you're designing a PIN entry system for access control, building a handheld interface for a robotics project, or developing a custom menu input device, the FA4043-1 provides durable, responsive input in a compact format. Its reliable performance and ease of use make it a go-to solution for both professional and hobbyist applications.\u003c\/p\u003e\n\u003ch3 data-start=\"2210\" data-end=\"2237\"\u003eAuthorized Distribution\u003c\/h3\u003e\n\u003cp data-start=\"2239\" data-end=\"2582\"\u003eTri-Tek Electronics is an authorized distributor of TeknoCrafters products, providing genuine components backed by the full manufacturer warranty. Our retail location in Mesa, AZ serves the entire Phoenix metro area—including Tempe, Chandler, Gilbert, Glendale, and Scottsdale—with the best pricing, factory support, and in-stock availability.\u003c\/p\u003e","brand":"TeknoCrafters","offers":[{"title":"Default Title","offer_id":51551547818279,"sku":"TEKFA4043-1","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0806\/4650\/4743\/files\/FA4043-1.png?v=1782841288","url":"https:\/\/tritekexpress.com\/products\/4-3-matrix-12-key-membrane-switch-keypad-copy","provider":"Tri-Tek Electronics","version":"1.0","type":"link"}