{"product_id":"h11aa1-optocoupler-dip-6-pin-ic","title":"H11a1 Optocoupler Dip 6 Pin Ic","description":"\u003ch1 data-start=\"136\" data-end=\"183\"\u003e📘 H11A1 Optocoupler – Technical Data (DIP-6)\u003c\/h1\u003e\n\u003ch3 data-start=\"185\" data-end=\"203\"\u003e🔹 Description\u003c\/h3\u003e\n\u003cp data-start=\"204\" data-end=\"439\"\u003eThe \u003cstrong data-start=\"208\" data-end=\"217\"\u003eH11A1\u003c\/strong\u003e is a \u003cstrong data-start=\"223\" data-end=\"254\"\u003ephototransistor optocoupler\u003c\/strong\u003e.\u003cbr data-start=\"255\" data-end=\"258\"\u003eIt contains an \u003cstrong data-start=\"273\" data-end=\"306\"\u003einfrared emitting diode (LED)\u003c\/strong\u003e and a \u003cstrong data-start=\"313\" data-end=\"344\"\u003esilicon NPN phototransistor\u003c\/strong\u003e in a 6-pin DIP package.\u003cbr data-start=\"368\" data-end=\"371\"\u003eIt provides \u003cstrong data-start=\"383\" data-end=\"407\"\u003eelectrical isolation\u003c\/strong\u003e between the input and output.\u003c\/p\u003e\n\u003chr data-start=\"441\" data-end=\"444\"\u003e\n\u003ch3 data-start=\"446\" data-end=\"478\"\u003e🔹 Pin Configuration (DIP-6)\u003c\/h3\u003e\n\u003cp data-start=\"479\" data-end=\"668\"\u003e1 → Anode (LED +)\u003cbr data-start=\"496\" data-end=\"499\"\u003e2 → Cathode (LED –)\u003cbr data-start=\"518\" data-end=\"521\"\u003e3 → No Connection\u003cbr data-start=\"538\" data-end=\"541\"\u003e4 → Emitter (Transistor –)\u003cbr data-start=\"567\" data-end=\"570\"\u003e5 → Collector (Transistor +)\u003cbr data-start=\"598\" data-end=\"601\"\u003e6 → Base (optional transistor base pin, usually left unconnected)\u003c\/p\u003e\n\u003chr data-start=\"670\" data-end=\"673\"\u003e\n\u003ch3 data-start=\"675\" data-end=\"706\"\u003e🔹 Absolute Maximum Ratings\u003c\/h3\u003e\n\u003cul data-start=\"707\" data-end=\"924\"\u003e\n\u003cli data-start=\"707\" data-end=\"743\"\u003e\n\u003cp data-start=\"709\" data-end=\"743\"\u003eForward current (LED): 60 mA max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"744\" data-end=\"774\"\u003e\n\u003cp data-start=\"746\" data-end=\"774\"\u003eReverse voltage (LED): 6 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"775\" data-end=\"814\"\u003e\n\u003cp data-start=\"777\" data-end=\"814\"\u003eCollector-emitter voltage: 30 V max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"815\" data-end=\"847\"\u003e\n\u003cp data-start=\"817\" data-end=\"847\"\u003eCollector current: 50 mA max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"848\" data-end=\"891\"\u003e\n\u003cp data-start=\"850\" data-end=\"891\"\u003eCollector power dissipation: 150 mW max\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"892\" data-end=\"924\"\u003e\n\u003cp data-start=\"894\" data-end=\"924\"\u003eIsolation voltage: 5300 VRMS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"926\" data-end=\"929\"\u003e\n\u003ch3 data-start=\"931\" data-end=\"981\"\u003e🔹 Electrical Characteristics (Typical Values)\u003c\/h3\u003e\n\u003cul data-start=\"982\" data-end=\"1265\"\u003e\n\u003cli data-start=\"982\" data-end=\"1034\"\u003e\n\u003cp data-start=\"984\" data-end=\"1034\"\u003eForward voltage of LED: 1.2V – 1.5V @ IF = 10 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1035\" data-end=\"1093\"\u003e\n\u003cp data-start=\"1037\" data-end=\"1093\"\u003eCollector-emitter saturation voltage: 0.4V @ IC = 2 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1094\" data-end=\"1162\"\u003e\n\u003cp data-start=\"1096\" data-end=\"1162\"\u003eCurrent Transfer Ratio (CTR): 50% to 600% (depending on binning)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1163\" data-end=\"1196\"\u003e\n\u003cp data-start=\"1165\" data-end=\"1196\"\u003eIsolation resistance: \u0026gt;10¹¹ Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1197\" data-end=\"1230\"\u003e\n\u003cp data-start=\"1199\" data-end=\"1230\"\u003eCoupling capacitance: \u0026lt;0.5 pF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1231\" data-end=\"1265\"\u003e\n\u003cp data-start=\"1233\" data-end=\"1265\"\u003eSwitching speed: 2 µs to 18 µs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1267\" data-end=\"1270\"\u003e\n\u003ch3 data-start=\"1272\" data-end=\"1287\"\u003e🔹 Features\u003c\/h3\u003e\n\u003cul data-start=\"1288\" data-end=\"1512\"\u003e\n\u003cli data-start=\"1288\" data-end=\"1342\"\u003e\n\u003cp data-start=\"1290\" data-end=\"1342\"\u003eHigh dielectric isolation between input and output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1343\" data-end=\"1378\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1378\"\u003eTTL, CMOS, and logic compatible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1407\"\u003e\n\u003cp data-start=\"1381\" data-end=\"1407\"\u003eLow coupling capacitance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1408\" data-end=\"1462\"\u003e\n\u003cp data-start=\"1410\" data-end=\"1462\"\u003eWide operating temperature range (–55°C to +100°C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1463\" data-end=\"1512\"\u003e\n\u003cp data-start=\"1465\" data-end=\"1512\"\u003eBase pin available for sensitivity adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1514\" data-end=\"1517\"\u003e\n\u003ch3 data-start=\"1519\" data-end=\"1538\"\u003e🔹 Applications\u003c\/h3\u003e\n\u003cul data-start=\"1539\" data-end=\"1737\"\u003e\n\u003cli data-start=\"1539\" data-end=\"1565\"\u003e\n\u003cp data-start=\"1541\" data-end=\"1565\"\u003eLogic signal isolation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1566\" data-end=\"1600\"\u003e\n\u003cp data-start=\"1568\" data-end=\"1600\"\u003eMicrocontroller I\/O protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1601\" data-end=\"1645\"\u003e\n\u003cp data-start=\"1603\" data-end=\"1645\"\u003eSwitch Mode Power Supply (SMPS) feedback\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1646\" data-end=\"1674\"\u003e\n\u003cp data-start=\"1648\" data-end=\"1674\"\u003eTelephone ring detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1675\" data-end=\"1700\"\u003e\n\u003cp data-start=\"1677\" data-end=\"1700\"\u003eRelay driver circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1701\" data-end=\"1737\"\u003e\n\u003cp data-start=\"1703\" data-end=\"1737\"\u003eGeneral purpose signal isolation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1739\" data-end=\"1742\"\u003e\n\u003ch3 data-start=\"1744\" data-end=\"1778\"\u003e🔹 Typical Application Circuit\u003c\/h3\u003e\n\u003cp data-start=\"1780\" data-end=\"1807\"\u003e\u003cstrong data-start=\"1780\" data-end=\"1807\"\u003eInput Side (LED drive):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary\"\u003e\n\u003cdiv class=\"sticky top-9\"\u003e\n\u003cdiv class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\"\u003e\n\u003cdiv class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"\u003e\n\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"overflow-y-auto p-4\" dir=\"ltr\"\u003e\u003ccode class=\"whitespace-pre!\"\u003e\u003cspan\u003e   Vcc (5V)\n\u003cspan class=\"hljs-code\"\u003e     |\n    330Ω\n     |\n   Anode (Pin 1)\n   Cathode (Pin 2) → GND\n\u003c\/span\u003e\u003c\/span\u003e\u003c\/code\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1894\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1894\" data-end=\"1928\"\u003eOutput Side (Phototransistor):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"contain-inline-size rounded-2xl relative bg-token-sidebar-surface-primary\"\u003e\n\u003cdiv class=\"sticky top-9\"\u003e\n\u003cdiv class=\"absolute end-0 bottom-0 flex h-9 items-center pe-2\"\u003e\n\u003cdiv class=\"bg-token-bg-elevated-secondary text-token-text-secondary flex items-center gap-4 rounded-sm px-2 font-sans text-xs\"\u003e\n\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"overflow-y-auto p-4\" dir=\"ltr\"\u003e\u003ccode class=\"whitespace-pre!\"\u003e\u003cspan\u003e   Vcc (5V)\n\u003cspan class=\"hljs-code\"\u003e     |\n    10kΩ\n     |\n Collector (Pin 5)\n Emitter (Pin 4) → GND\n\u003c\/span\u003e\u003c\/span\u003e\u003c\/code\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul data-start=\"2014\" data-end=\"2152\"\u003e\n\u003cli data-start=\"2014\" data-end=\"2042\"\u003e\n\u003cp data-start=\"2016\" data-end=\"2042\"\u003eBase (Pin 6) → left open\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2043\" data-end=\"2096\"\u003e\n\u003cp data-start=\"2045\" data-end=\"2096\"\u003eWhen LED is ON → transistor conducts → output LOW\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2097\" data-end=\"2152\"\u003e\n\u003cp data-start=\"2099\" data-end=\"2152\"\u003eWhen LED is OFF → transistor cuts off → output HIGH\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2154\" data-end=\"2157\"\u003e\n\u003ch3 data-start=\"2159\" data-end=\"2197\"\u003e🔹 Internal Structure (Simplified)\u003c\/h3\u003e\n\u003cul data-start=\"2198\" data-end=\"2349\"\u003e\n\u003cli data-start=\"2198\" data-end=\"2229\"\u003e\n\u003cp data-start=\"2200\" data-end=\"2229\"\u003eLeft side: \u003cstrong data-start=\"2211\" data-end=\"2227\"\u003eInfrared LED\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2230\" data-end=\"2271\"\u003e\n\u003cp data-start=\"2232\" data-end=\"2271\"\u003eRight side: \u003cstrong data-start=\"2244\" data-end=\"2269\"\u003ePhototransistor (NPN)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2272\" data-end=\"2349\"\u003e\n\u003cp data-start=\"2274\" data-end=\"2349\"\u003eSeparated by \u003cstrong data-start=\"2287\" data-end=\"2302\"\u003eoptical gap\u003c\/strong\u003e (no electrical contact, only light coupling)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Digilog Electronics","offers":[{"title":"Default Title","offer_id":43962234732609,"sku":"b795","price":200.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/H11A1.webp?v=1779538322","url":"https:\/\/stem.pk\/products\/h11aa1-optocoupler-dip-6-pin-ic","provider":"stem.pk","version":"1.0","type":"link"}