{"product_id":"156022","title":"TR-03","description":"\u003cp\u003ePNP AUDIO HIGH POWER TRANSISTOR - The International Rectifier TR-03 is a vintage Germanium PNP power transistor packaged in a classic heavy-duty TO-36 metal canister style (often referenced cross-compatible with TO-3 or similar stud-mount packages).Historically used as high-power audio outputs or industrial switching components, these vintage semiconductors are sought after today by electronics hobbyists and audio restorers.Core Technical Specifications \u0026amp; IdentificationBecause International Rectifier (IR) manufactured these decades ago, exact datasheets are often cross-referenced via older replacement systems:Material Type: Germanium (Ge)Polarity: PNP Bipolar Junction Transistor (BJT)Industry Substitutes: Commonly cross-referenced or replaced by classic industry standard parts such as the NTE105 or ECG105.Primary Applications: Vintage high-power audio amplification, power supply regulation, and early solid-state power switching\u003c\/p\u003e","brand":"INTERNATIONAL RECTIFIER","offers":[{"title":"Default Title","offer_id":45780308590645,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0219\/7936\/5440\/files\/AP1GczN4-3RzLhDTkTE-RrO4K1dGR_wbGMqp_s1oD2pS8PdH9Yu0cF0wGtMabRTaBj3Ubc0wlu8Afc1__Cv04bb5hW36sZP9xDlYei4SdQC6_jcvXc4JQ2znZFQilaEoJ-iRCufLSt6fFhsokmIdSCUQBFZlew_w1886-h1886-s-no-gm.jpg?v=1784245033","url":"https:\/\/greenbrookonline.com\/products\/156022","provider":"Green Brook Online","version":"1.0","type":"link"}