[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-561695-105":59,"doc-detail-561695-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","sfh6720-sfh6721-high-speed-optocoupler-datasheet","SFH6720, SFH6721 - High Speed Optocoupler - Datasheet","","Datasheet describes the SFH6720 and SFH6721 single-channel high-speed optocouplers, featuring a GaAlAs infrared emitting diode optically coupled to an integrated photo detector with a Schmitt-trigger stage for noise immunity. A Faraday shield provides common-mode transient immunity of 1000 V/µs (SFH6720) and 2500 V/µs (SFH6721). Key specifications include 5 MBits/s data rate, TTL/LSTTL/CMOS compatibility, wide 4.5–15 V supply range, low input current, and isolation test voltage of 4000 V RMS, plus typical application and electrical ratings.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/sfh6720-sfh6721-high-speed-optocoupler-datasheet/561695/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/sfh6720-sfh6721-high-speed-optocoupler-datasheet/561695.png","ImageObject",300,407,{"name":92,"@type":93},"Ben ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-21","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":24},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the key internal components of the SFH6720/SFH6721 optocoupler?","Question",{"text":112,"@type":113},"Both use a GaAlAs infrared emitting diode optically coupled to an integrated photo detector. The detector includes a Schmitt-trigger stage and an internal Faraday shield to enhance noise immunity and common-mode transient performance.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What common-mode transient immunity values are specified for SFH6720 and SFH6721?",{"text":117,"@type":113},"SFH6720 provides 1000 V/µs at VCM = 50 V, while SFH6721 provides 2500 V/µs at VCM = 400 V, as stated in the description.",{"name":119,"@type":110,"acceptedAnswer":120},"What isolation and data-rate performance are specified?",{"text":121,"@type":113},"The datasheet lists an isolation test voltage of 4000 V RMS. The typical data rate is 5 MBits/s (with 2.5 MBit/s noted over temperature).","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},561695,1791884867,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":24,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":52,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},2336478951081,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","SFH6720, SFH6721  \n[www.vishay.com](www.vishay.com Vishay Semiconductors)[ Vishay Semiconductors](www.vishay.com Vishay Semiconductors)  \nHigh Speed Optocoupler, Single, 5 MBd, in SOIC-8 Package  \nA  \nC  \n\n|  | |  |\n| --- | --- | --- |\n| 1 |  | 8 |\n|  |  |  |\n| 2 |  | 7 |\n|  |  |  |\n| 3 |  | 6 |\n|  |  |  |\n| 4 |  | 5 |\n|  |  |  |\n\ni179074_2  \nVCC  \nVO  \nNC  \nGND  \nDESCRIPTION  \nThe single channel 5 Mb/s SFH6720 and SFH6721 high speed optocoupler consists of a GaAlAs infrared emitting diode, optically coupled with an integrated photo detector. The detector incorporates a Schmitt-trigger stage for improved noise immunity. A Faraday shield provides a common mode transient immunity of 1000 V/μs at V CM = 50 V for SFH6720 and 2500 V/μs at V CM = 400 V for SFH6721 .  \nAGENCY APPROVALS  \n• UL1577, file no. E52744 system code Y  \n• DIN EN 60747-5-5 (VDE 0884) available with option 1  \nFEATURES  \n• Data rate 5 MBits/s (2 .5 MBit/s over temperature)  \n• Buffer  \n• Isolation test voltage, 4000 V RMS  \n• TTL, LSTTL and CMOS compatible  \n• Internal shield for very high common mode transient immunity  \n• Wide supply voltage range (4.5 V to 15 V)  \n• Low input current (1 .6 mA to 5 mA)  \n• Parameters specified from 0 °C to 85 °C  \n• Tamb from-40 °C to 100 °C  \n• Material categorization: for definitions of compliance [please see](please see www.vishay.com/doc?99912)[ ](please see www.vishay.com/doc?99912)[www.vishay.com/doc?99912](please see www.vishay.com/doc?99912)  \nAPPLICATIONS  \n• Industrial control  \n• Replace pulse transformers  \n• Routine logic interfacing  \n• Motion / power control  \n• High speed line receiver  \n• Microprocessor system interfaces  \n• Computer peripheral interfaces  \n\n| ORDERING INFORMATION |  |  |  |\n| --- | --- | --- | --- |\n| |  | | SIOC-8\u003Cbr>\u003Cbr>\u003Cbr> 6.1 mm  |\n| PART NUMBER TAPE AND\u003Cbr>REEL |  |  |  |\n| AGENCY CERTIFIED/PACKAGE | CMR (kV/μs) | CMR (kV/μs) |  |\n| UL | 1 | 2.5 |  |\n| SOIC-8 | SFH6720T | SFH6721T |  |\n| VDE, UL | 1 | 2.5 |  |\n| SOIC-8 | SFH6720-X001T | - |  |\n\n\n| TRUTH TABLE (positive logic) |  |  |\n| --- | --- | --- |\n| PART | IR DIODE | OUTPUT |\n| SFH6720 | On | H |\n|  | Off | L |\n| SFH6721 | On | H |\n|  | Off | L |\n\nRev. 1.7, 27-Aug-15 1 Document Number: 83684  \nFor technical questions, contact: [optocoupleranswers@vishay.com](optocoupleranswers@vishay.com)  \nTHIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  \nARE SUBJECT TO SPECIFIC DISCLAIMERS, [SET FORTH AT](SET FORTH AT www.vishay.com/doc?91000)[ ](SET FORTH AT www.vishay.com/doc?91000)[www.vishay.com/doc?91000](SET FORTH AT www.vishay.com/doc?91000)  \nSFH6720, SFH6721  \n[www.vishay.com](www.vishay.com Vishay Semiconductors)[ Vishay Semiconductors](www.vishay.com Vishay Semiconductors)  \n\n| ABSOLUTE MAXIMUM RATINGS (1) (Tamb = 25 °C, unless otherwise specified) |  |  |  |  |\n| --- | --- | --- | --- | --- |\n| PARAMETER | TEST CONDITION | SYMBOL | VALUE | UNIT |\n| INPUT |  |  |  |  |\n| Reverse voltage |  | VR | 3 | V |\n| DC forward current |  | IF | 10 | mA |\n| Surge forward | tp 􀁤 1 μs, 300 pulses/s | IFSM | 1 | mA |\n| Power dissipation |  | P diss | 20 | mW |\n| OUTPUT |  |  |  |  |\n| Supply voltage |  | V CC | -0.5 to +15 | V |\n| Output voltage |  | VO | -0.5 to +15 | V |\n| Average output current |  | IO | 25 | mA |\n| Power dissipation |  | P diss | 100 | mW |\n| COUPLER |  |  |  |  |\n| Storage temperature range |  | Tstg | -55 to +125 | °C |\n| Ambient temperature range |  | Tamb | + 85 | °C |\n| Lead soldering temperature | t = 10 s | Tsld | 260 | °C |\n\nNote  \n(1) Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of this document. Exposure to absolute maximum ratings for extended periods of the time can adversely affect reliability.  \n\n| RECOMMENDED OPERATING CONDITIONS (1) |  |  |  |  |  |  |\n| --- | --- | --- | --- | -","cbCaidryahwY2Wc1","https://ap.wps.com/l/cbCaidryahwY2Wc1","pdf",168172,"English","# Description\n# Features\n# Applications\n# Ordering Information\n# Truth Table (Positive Logic)\n# Absolute Maximum Ratings\n# Recommended Operating Conditions\n# Electrical Characteristics","[{\"question\":\"What are the key internal components of the SFH6720/SFH6721 optocoupler?\",\"answer\":\"Both use a GaAlAs infrared emitting diode optically coupled to an integrated photo detector. The detector includes a Schmitt-trigger stage and an internal Faraday shield to enhance noise immunity and common-mode transient performance.\"},{\"question\":\"What common-mode transient immunity values are specified for SFH6720 and SFH6721?\",\"answer\":\"SFH6720 provides 1000 V/µs at VCM = 50 V, while SFH6721 provides 2500 V/µs at VCM = 400 V, as stated in the description.\"},{\"question\":\"What isolation and data-rate performance are specified?\",\"answer\":\"The datasheet lists an isolation test voltage of 4000 V RMS. The typical data rate is 5 MBits/s (with 2.5 MBit/s noted over temperature).\"}]","SFH6720, SFH6721 - High Speed Optocoupler - Datasheet | PDF",1791806643,25]