{"product_id":"bd139-npn-transistor","title":"BD139 NPN Transistor","description":"\u003cdiv id=\"col-main\" class=\"page-product layout-normal\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"product\"\u003e\n\u003cdiv class=\"product-content-wrapper\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-7 col-md-6 col-sm-6 col-12\"\u003e\n\u003cdiv id=\"product-info\" class=\"product-info\"\u003e\n\u003cdiv class=\"ced-description\"\u003e\n\u003cdiv class=\"ced-content\"\u003eThe 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\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan\u003eHere's a description of its key characteristics:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cstrong\u003eType:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eNPN bipolar junction transistor.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMaximum Collector-Base Voltage (Vcb):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically around 80 volts.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMaximum Collector-Emitter Voltage (Vce):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUsually around 80 volts.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMaximum Emitter-Base Voltage (Veb):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGenerally around 5 volts.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCollector Current (Ic):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically up to a few amperes (commonly around 1.5A).\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePower Dissipation (Pd):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt can handle power dissipation up to several watts (commonly around 12.5W).\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGain (hFE or β):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically falls in the range of 40 to 250, depending on operating conditions.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePackage Type:\u003cspan\u003e \u003c\/span\u003e\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\u003eApplication:\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:\u003cspan\u003e \u003c\/span\u003e\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\u003cspan\u003e \u003c\/span\u003eCurrent flows in through the collector, normally connected to the load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControls 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\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\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\u003cdiv id=\"judgeme_product_reviews\" class=\"jdgm-widget jdgm-review-widget jdgm-widget-revamp jdgm--done-setup-widget\"\u003e\n\u003cdiv class=\"jm-stack jm-stack--space-300 jm-review-widget jm-review-widget--minimal-header\"\u003e\n\u003cdiv class=\"jm-review-widget__header-and-body\"\u003e\n\u003cdiv class=\"jm-stack jm-stack--space-600 jm-review-widget__header jm-review-widget-minimal-header\"\u003e\n\u003cdiv class=\"jm-cluster\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"eBhoot Electronics","offers":[{"title":"Default Title","offer_id":44137389981814,"sku":null,"price":4.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7345\/9574\/files\/BD139.png?v=1788769670","url":"https:\/\/ebhoot.com\/products\/bd139-npn-transistor","provider":"eBhoot Electronics","version":"1.0","type":"link"}