[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-671577-105":59,"doc-detail-671577-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","2n2221-electrical-characteristics-central-semiconductor-npn-transistors","2N2221 - ELECTRICAL CHARACTERISTICS - Central Semiconductor NPN Transistors","","Central Semiconductor 2N2221 and 2N2222 silicon NPN epitaxial planar transistors are specified for small-signal and general-purpose switching. The document lists maximum ratings at TA=25°C, including collector-base, collector-emitter, emitter-base voltages, continuous collector current, power dissipation, and temperature limits with thermal resistances. It provides electrical characteristics and test conditions for parameters such as leakage currents, breakdown voltages, saturation voltages, base-emitter saturation voltages, gain hFE, capacitances, and transition frequency. Mechanical and support/service information is also included.",{"@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/2n2221-electrical-characteristics-central-semiconductor-npn-transistors/671577/",{"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/2n2221-electrical-characteristics-central-semiconductor-npn-transistors/671577.png","ImageObject",300,407,{"name":92,"@type":93},"Aria Callaghan","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-11-01",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"2N2221/2N2222 的适用领域是什么？","Question",{"text":112,"@type":113},"用于小信号以及通用开关应用，属于硅 NPN 晶体管。文档强调其用于 small signal、general purpose switching。","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"文档给出了哪些 2N2221/2N2222 的最大额定值？",{"text":117,"@type":113},"包括在 TA=25°C 下的 VCBO/VCEO/VEBO、连续集电极电流 IC、功耗 PD、结温与储存温度范围，以及热阻（θJA、θJC 等）。",{"name":119,"@type":110,"acceptedAnswer":120},"如何订购需要镀层的器件（Tin/Lead 或 Pb-Free）？",{"text":121,"@type":113},"若订购 Tin/Lead 镀层器件，订购时在料号后加后缀 “TIN/LEAD”（示例：2N2222A TIN/LEAD）。若订购 Pb-Free 镀层器件，添加后缀 “PBFREE”（示例：2N2222A PBFREE）。","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},671577,1793577422,{"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":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"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":129,"read_time":39},962084926284,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","2N2221  \n2N2222  \nSILICON NPN TRANSISTORS  \nTO-18 CASE  \nMAXIMUM RATINGS: (TA=25°C) Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Continuous Collector Current  \nPower Dissipation  \nPower Dissipation (TC=25°C)  \nOperating and Storage Junction Temperature Thermal Resistance  \nThermal Resistance  \n[www. centra lsemi. com](www. centra lsemi. com)  \nDESCRIPTION:  \nThe CENTRAL SEMICONDUCTOR 2N2221 and 2N2222 are silicon NPN epitaxial planar transistors designed for small signal, general purpose switching applications.  \nMARKING: FULL PART NUMBER  \nSYMBOL  \nVCBO  \nV CEO  \nVEBO  \nIC  \nPD  \nPD TJ , Tstg Θ JA  \nΘ JC  \n60  \n30  \n5.0  \n800  \n500  \n1.2 -65 to +200  \n350  \n146  \nUNITS  \nV  \nV  \nV  \nmA  \nmW  \nW  \n°C  \n°C/W  \n°C/W  \nELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted)  \nSYMBOL  \nICBO  \nICBO  \nIEBOBVCBO  \nBV CEO  \nBVEBOVCE(SAT)  \nVCE(SAT)  \nV BE(SAT)  \nV BE(SAT) fT  \nCob  \nCib  \nTEST CONDITIONS  \nV CB=50V V CB=50V, TA=150°CVEB=3.0VIC=10μA  \nIC=10mA  \nIE=10μA  \nIC=150mA, IB=15mAIC=500mA, IB=50mAIC=150mA, IB=15mAIC=500mA, IB=50mA VCE=20V, IC=20mA, f=100MHz V CB=10V, IE=0, f=100kHz VEB=0.5V, IC=0, f=100kHz  \nMIN  \n-  \n-  \n-  \n60  \n30  \n5.0  \n-  \n-  \n0.6  \n-  \n250  \n-  \n-  \nMAX  \n10  \n10  \n10  \n-  \n-  \n-  \n0.4  \n1.6  \n1.3  \n2.6  \n-  \n8.0  \n30  \nUNITS  \nnA  \nμA  \nnA  \nV  \nV  \nV  \nV  \nV  \nV  \nV  \nMHz  \npF  \npF  \nR2 (24-July 2013)  \n2N2221  \n2N2222  \nSILICON NPN TRANSISTORS  \nELECTRICAL CHARACTERISTICS -Continued: (TA=25°C unless otherwise noted)  \n2N2221  2N2222  \nSYMBOL  \nhFE  \nhFE  \nhFE  \nhFE  \nhFE  \nhFE  \nhFE  \nTEST CONDITIONS  \nVCE=10V, IC=0.1mA  \nVCE=10V, IC=1.0mA  \nVCE=10V, IC=10mA  \nVCE=10V, IC=10mA, TA=-55°C  \nVCE=10V, IC=150mA  \nVCE=1.0V, IC=150mA VCE=10V, IC=500mA  \nMIN  \n20  \n25  \n35  \n15  \n40  \n20  \n25  \nMAX  \n-  \n-  \n-  \n-  \n120  \n-  \n-  \nMIN  \n35  \n50  \n75  \n35  \n100  \n50  \n40  \nMAX  \n-  \n-  \n-  \n-  \n300  \n-  \n-  \nTO-18 CASE - MECHANICAL OUTLINE  \nLEAD CODE:  \n1) Emitter  \n2) Base  \n3) Collector  \nMARKING: FULL PART NUMBER  \nR2 (24-July 2013)  \n[www. centra lsemi. com](www. centra lsemi. com)  \nOUTSTANDING SUPPORT AND SUPERIOR SERVICES  \nPRODUCT SUPPORT  \nCentral’s operations team provides the highest level of support to insure product is delivered on-time.  \n• Supply management (Customer portals) • Custom bar coding for shipments  \n• Inventory bonding • Custom product packing  \n• Consolidated shipping options  \nDESIGNER SUPPORT/SERVICES  \nCentral’s applications engineering team is ready to discuss your design challenges. Just ask.  \n• Free quick ship samples (2nd day air)  \n• Online technical data and parametric search  \n• SPICE models  \n• Custom electrical curves  \n• Environmental regulation compliance  \n• Customer specific screening  \n• Up-screening capabilities  \n• Special wafer diffusions  \n• PbSn plating options  \n• Package details  \n• Application notes  \n• Application and design sample kits  \n• Custom product and package development  \n\n| REQUESTING PRODUCT PLATING\u003Cbr>1. If requesting Tin/Lead plated devices, add the suffix “ TIN/LEAD” to the part number when ordering (example: 2N2222A TIN/LEAD) .\u003Cbr>2. If requesting Lead (Pb) Free plated devices, add the suffix “ PBFREE” to the part number when ordering (example: 2N2222A PBFREE) . |  |\n| --- | --- |\n| CONTACT US\u003Cbr>Corporate Headquarters & Customer Support Team\u003Cbr>Central Semiconductor Corp.\u003Cbr>145 Adams Avenue Hauppauge, NY 11788 USA Main Tel: (631) 435-1110\u003Cbr>Main Fax: (631) 435-1824\u003Cbr>Support Team Fax: (631) 435-3388\u003Cbr>[www.centralsemi.com](www.centralsemi.com) | Worldwide Field Representatives:\u003Cbr>[www.centralsemi.com/wwreps](www.centralsemi.com/wwreps)\u003Cbr>Worldwide Distributors:\u003Cbr>[www.centralsemi.com/wwdistributors](www.centralsemi.com/wwdistributors) |\n\nFor the latest version of Central Semiconductor’s LIMITATIONS AND DAMAGES DISCLAIMER , which is part of Central’s Standard Terms and Conditions of sale, [visit: ](visit: www.centralsemi.com/terms)[www.centralsemi.com/terms](visit: www.centralsemi.com/terms)","cbCaip2F9uTsirFR","https://ap.wps.com/l/cbCaip2F9uTsirFR","pdf",621468,"English","# Maximum Ratings (TA=25°C)\n## Electrical Characteristics (TA=25°C)\n## Electrical Characteristics - Continued\n## TO-18 Case - Mechanical Outline\n## Requesting Product Plating\n## Contact Us","[{\"question\":\"2N2221/2N2222 的适用领域是什么？\",\"answer\":\"用于小信号以及通用开关应用，属于硅 NPN 晶体管。文档强调其用于 small signal、general purpose switching。\"},{\"question\":\"文档给出了哪些 2N2221/2N2222 的最大额定值？\",\"answer\":\"包括在 TA=25°C 下的 VCBO/VCEO/VEBO、连续集电极电流 IC、功耗 PD、结温与储存温度范围，以及热阻（θJA、θJC 等）。\"},{\"question\":\"如何订购需要镀层的器件（Tin/Lead 或 Pb-Free）？\",\"answer\":\"若订购 Tin/Lead 镀层器件，订购时在料号后加后缀 “TIN/LEAD”（示例：2N2222A TIN/LEAD）。若订购 Pb-Free 镀层器件，添加后缀 “PBFREE”（示例：2N2222A PBFREE）。\"}]","2N2221 - ELECTRICAL CHARACTERISTICS - Central Semiconductor NPN Transistors | PDF"]