{"product_id":"bd139-transistor","title":"BD139 NPN Transistor","description":"The BD139 is a widely-used NPN (Negative-Positive-Negative) bipolar junction transistor (BJT) known for its versatility and reliability in various electronic circuits.\n\u003cdiv class=\"product_info\"\u003e\n\u003ch1 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e Here's a description of its key characteristics:\u003c\/span\u003e\u003c\/h1\u003e\n\u003cstrong\u003eType: \u003c\/strong\u003eNPN bipolar junction transistor.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMaximum Collector-Base Voltage (Vcb):\u003c\/strong\u003e Typically around 80 volts.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMaximum Collector-Emitter Voltage (Vce):\u003c\/strong\u003e Usually around 80 volts.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMaximum Emitter-Base Voltage (Veb):\u003c\/strong\u003e Generally around 5 volts.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCollector Current (Ic):\u003c\/strong\u003e Typically up to a few amperes (commonly around 1.5A).\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e It can handle power dissipation up to several watts (commonly around 12.5W).\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGain (hFE or β):\u003c\/strong\u003e Typically falls in the range of 40 to 250, depending on operating conditions.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Type: \u003c\/strong\u003eThe BD139 transistor is commonly available in a TO-126 or TO-220 package, which provides good thermal dissipation.\n\u003cdiv\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e Application:\u003c\/span\u003e\u003c\/h2\u003e\nSuitable for various amplification and switching applications in low to medium-power circuits. It finds applications in audio amplifiers, power supply circuits, motor control, and general-purpose switching circuits.\n\u003cdiv\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eTransistor Polarity: NPN\u003c\/li\u003e\n\u003cli\u003eCollector−Emitter Voltage (VCEO): 80V\u003c\/li\u003e\n\u003cli\u003eCollector−Base Voltage (VCBO): 80V\u003c\/li\u003e\n\u003cli\u003eContinuous Collector Current (Ic): 1.5A\u003c\/li\u003e\n\u003cli\u003eContinuous Base Current (Ib): 0.5A\u003c\/li\u003e\n\u003cli\u003eDC Current Gain (hFE): 40-250\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -65 - 150°C\u003c\/li\u003e\n\u003cli\u003ePower Dissipation (Pd): 12.5W\u003c\/li\u003e\n\u003cli\u003eThermal Resistance (ΘJA): 100°C\/W\u003c\/li\u003e\n\u003cli\u003eThermal Resistance (ΘJC): 10°C\/W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eLow saturation voltage\u003c\/li\u003e\n\u003cli\u003eSimple drive requirements\u003c\/li\u003e\n\u003cli\u003eHigh safe operating area\u003c\/li\u003e\n\u003cli\u003eFor low-distortion complementary designs\u003c\/li\u003e\n\u003cli\u003eEasy to carry and handle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eRF Amplifiers\u003c\/li\u003e\n\u003cli\u003eSwitching circuits\u003c\/li\u003e\n\u003cli\u003eAmplification circuits\u003c\/li\u003e\n\u003cli\u003eAudio amplifiers\u003c\/li\u003e\n\u003cli\u003eLoad driver circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePinout Configuration\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmitter: \u003c\/strong\u003eCurrent Drains out through the emitter, normally connected to the ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector:\u003c\/strong\u003e Current flows in through the collector, normally connected to the load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Controls the biasing of the transistor, Used to turn ON or OFF the transistor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eDocumentation\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1MpzJuoLlYrsGWhJfbDhOptzx8CZOhwDO\/view?usp=drive_link\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x BD139 NPN Transistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":44728489083132,"sku":"TRANS012","price":19.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/BD139NPNTransistor_1.jpg?v=1710311058","url":"https:\/\/kitsguru.com\/fr\/products\/bd139-transistor","provider":"KitsGuru","version":"1.0","type":"link"}