The TIP42C from onsemi is a PNP silicon power transistor rated at -100V and -6A. With hFE of 15-75 and 65W power dissipation in TO-220, it is the standard PNP power transistor for audio amplifiers and high-current switching, complement to the TIP41C NPN transistor.<\/p>\n
| \u7c7b\u578b<\/td>\n | PNP Silicon Power BJT<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| VCEO<\/td>\n | -100V<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| IC (continuous)<\/td>\n | -6A<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| hFE<\/td>\n | 15-75 (at -300mA, -4V)<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| VCE(sat)<\/td>\n | -1.5V (max at -3A, -120mA base)<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| fT<\/td>\n | 3MHz (min)<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| \u529f\u7387\u8017\u6563<\/td>\n | 65W (at TC=25C)<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| \u5305\u88c5<\/td>\n | TO-220<\/td>\n<\/tr>\n | |||||||||||||||||||||||||||
| \u5de5\u4f5c\u6e29\u5ea6<\/td>\n | -65 to +150 C<\/td>\n<\/tr>\n<\/table>\n\u7279\u70b9<\/h2>\n\u5e94\u7528<\/h2>\nProduct Overview The TIP42C from onsemi is a PNP silicon power transistor rated at -100V and -6A. With hFE of 15-75 and 65W power dissipation in TO-220, it is the standard PNP power transistor for audio amplifiers and high-current switching, complement to the TIP41C NPN transistor. Key Specifications Type PNP Silicon Power BJT VCEO -100V […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[57,13],"tags":[],"chip_brand":[],"class_list":["post-6644","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics"],"acf":{"brief_explanation":"PNP power transistor, -100V, -6A, 65W, TO-220, complement to TIP41C","date_code":"","package_case":"TO-220","in_stock":5933,"datasheet":"https:\/\/www.onsemi.com\/pub\/Collateral\/TIP42C-D.PDF","price":"$0.50 @ 1ku","product_introduction":"The TIP42C from onsemi is a PNP silicon power transistor in a TO-220 package rated at -100V and -6A continuous collector current. With 65W power dissipation, it is suitable for audio amplifier output stages and power switching applications. The hFE of 15-75 at -300mA indicates moderate gain, typical of power transistors; Darlington configurations or higher base drive current are needed for high-current switching. The TIP42C is the direct complement to the TIP41C NPN transistor, enabling push-pull amplifier and H-bridge motor driver circuits. The -100V rating provides adequate margin for split +\/-40V audio amplifier supplies. For higher gain, the TIP142\/TIP147 Darlington pairs offer hFE > 1000 at similar current ratings.","working_principle":"The TIP42C is a silicon PNP epitaxial-base power transistor. Current flows from emitter to collector, controlled by base current flowing out of the base. The base-emitter junction requires approximately -0.65V forward bias (emitter more positive than base). For saturation at -3A collector current with hFE(min)=15, the required base current is 3A\/15 = 200mA. In push-pull audio amplifiers, the TIP41C (NPN) conducts during the positive output half-cycle and the TIP42C (PNP) conducts during the negative half-cycle. Bias circuits set the quiescent current to eliminate crossover distortion. The TO-220 package tab is connected to the collector, requiring an insulating washer when mounting to a grounded heatsink.","pin_description":"
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