{"product_id":"20-10pcs-original-2sd669a-2sb649a-to-126-complementary-bipolar-transistors-npn-pnp-pair-d669a-audio-power-amplifier-driver-transistors-160v-1-5a","title":"20\/10Pcs Original 2SD669A 2SB649A TO-126 Complementary Bipolar Transistors (NPN\/PNP Pair) - D669A Audio Power Amplifier Driver Transistors, 160V 1.5A","description":"20\/10Pcs Original 2SD669A 2SB649A TO-126 Complementary Bipolar Transistors (NPN\/PNP Pair) - D669A Audio Power Amplifier Driver Transistors, 160V 1.5A\u003cbr\u003e\u003cbr\u003eProduct Overview‌\u003cbr\u003eThe ‌2SD669A (NPN) and 2SB649A (PNP)‌ are a high-performance complementary bipolar transistor pair designed for audio amplifier driver stages and low-noise signal amplification. Packaged in ‌TO-126‌ encapsulation, these transistors deliver reliable power handling and precise signal matching, making them ideal for push-pull circuits in Hi-Fi audio systems, preamplifiers, and professional audio equipment.\u003cbr\u003e\u003cbr\u003e‌Applications:‌\u003cbr\u003e‌Audio Amplifiers‌: Driver stages for Hi-Fi power amplifiers, headphone amps, and preamplifiers.\u003cbr\u003e‌Signal Processing‌: Voltage regulation and low-noise amplification in audio mixers.\u003cbr\u003e‌Push-Pull Circuits‌: Balanced output stages in Class AB\/B amplifiers.\u003cbr\u003e‌Repair \u0026amp; DIY Projects‌: Direct replacement for legacy D669A transistors in vintage audio equipment.","brand":"eleWhole","offers":[{"title":"2SD669A \/ 10pcs","offer_id":46139437220038,"sku":"21867-2SD669A-10pcs","price":0.25,"currency_code":"PHP","in_stock":true},{"title":"2SD669A \/ 20pcs","offer_id":46139437252806,"sku":"21867-2SD669A-20pcs","price":0.52,"currency_code":"PHP","in_stock":true},{"title":"2SB649A \/ 10pcs","offer_id":46139437285574,"sku":"21867-2SB649A-10pcs","price":0.25,"currency_code":"PHP","in_stock":true},{"title":"2SB649A \/ 20pcs","offer_id":46139437318342,"sku":"21867-2SB649A-20pcs","price":0.52,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6676\/1670\/files\/sg-11134201-7rd6q-m7vmw3n2176va2.jpg?v=1784890882","url":"https:\/\/elewhole.com\/products\/20-10pcs-original-2sd669a-2sb649a-to-126-complementary-bipolar-transistors-npn-pnp-pair-d669a-audio-power-amplifier-driver-transistors-160v-1-5a","provider":"eleWhole","version":"1.0","type":"link"}