{"product_id":"4n26-optocoupler-phototransistor","title":"4N26 OPTOCOUPLER Phototransistor","description":"\u003cp\u003eThe 4N26 OPTOCOUPLER Phototransistor combines an infrared LED and a silicon phototransistor in a compact dual-in-line package to provide reliable electrical isolation and optical signal transfer for a variety of electronic designs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector-Emitter Voltage:\u003c\/strong\u003e 30V, suitable for low to moderate voltage isolation tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Transfer Ratio (CTR):\u003c\/strong\u003e 20% to 300%, delivering flexible signal amplification across operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Input Current:\u003c\/strong\u003e 10mA, providing energy-efficient operation for control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Isolation Voltage:\u003c\/strong\u003e 5000 Vrms, offering robust separation between input and output circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e 3µs, enabling moderately fast switching for control and communication systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned to balance isolation performance and switching speed, the 4N26 is a versatile option when designers require dependable protection without sacrificing responsiveness. Its improved CTR helps maintain signal fidelity under varied environmental conditions, reducing the need for additional amplification in many applications.\u003c\/p\u003e\n\u003ch2\u003eTechnology and Integration\u003c\/h2\u003e\n\u003cp\u003eThe device uses a gallium arsenide infrared LED paired with a silicon phototransistor to ensure consistent optical coupling. Its robust internal construction supports compliance with stringent insulation expectations and helps reduce electromagnetic interference between isolated circuits. The compact dual-in-line package simplifies PCB layout and integration into industrial and consumer electronics where space-efficient isolation is required. Typical benefits include protection of microcontrollers and sensitive circuitry from voltage transients and improved noise immunity while preserving signal integrity.\u003c\/p\u003e","brand":"Electronic Service Center","offers":[{"title":"Default Title","offer_id":42652292087991,"sku":null,"price":5.0,"currency_code":"LYD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/4010\/0279\/files\/IMG-9957_becd91c8-5312-4195-983f-076f4252ddf2.jpg?v=1713406146","url":"https:\/\/esclibya.com\/en-ly\/products\/4n26-optocoupler-phototransistor","provider":"Electronic Service Center","version":"1.0","type":"link"}