{"product_id":"bc-139-npn","title":"BC 139 NPN","description":"\u003cp\u003eThe BC 139 NPN is a silicon bipolar transistor engineered for reliable amplification and switching in a variety of electronic circuits. Its design emphasizes consistent performance, thermal stability, and low noise, making it suitable for both analog and digital applications where dependable gain and moderate power handling are required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Collector-Emitter Voltage:\u003c\/strong\u003e 80 V, supporting a wide range of operating voltages with stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Current:\u003c\/strong\u003e 1.5 A, enabling effective handling of moderate power loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 625 mW, providing efficient thermal management during typical operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain Bandwidth Product (fT):\u003c\/strong\u003e 100 MHz, offering good frequency response for high-speed switching tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Noise Figure:\u003c\/strong\u003e Suited for audio and low-noise amplifier designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompared with many general-purpose transistors, the BC 139 offers higher current capability and improved gain stability, delivering a balanced combination of power handling and frequency performance without sacrificing reliability. These characteristics make it a practical choice for circuits that require stable amplification and predictable switching behavior.\u003c\/p\u003e\n\u003cp\u003eEngineering features include a silicon planar epitaxial structure that enhances switching speed and reduces leakage, contributing to more efficient operation. The transistor’s optimized thermal resistance supports safe operation at elevated temperatures and contributes to long-term durability under demanding conditions. Overall, the BC 139 NPN provides consistent, low-noise amplification and robust switching performance where reliability and thermal management are important considerations.\u003c\/p\u003e","brand":"Electronic Service Center","offers":[{"title":"Default Title","offer_id":42547368460471,"sku":"","price":3.0,"currency_code":"LYD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/4010\/0279\/files\/IMG-9042_1f27be57-5c06-4a20-8179-e3e0756b406b.webp?v=1784938756","url":"https:\/\/esclibya.com\/en-ly\/products\/bc-139-npn","provider":"Electronic Service Center","version":"1.0","type":"link"}