{"product_id":"zenith-905-00090-str-30123-voltage-regulator-ic","title":"Zenith 905-00090 (STR-30123) Sanken Hybrid Fixed Voltage Regulator IC","description":"\u003cp\u003eThe \u003cstrong\u003eZenith 905-00090\u003c\/strong\u003e (often listed in service manuals as part number \u003cstrong\u003e905-90\u003c\/strong\u003e or the 905-90 IC Kit) is an original equipment manufacturer (OEM) replacement power module, physically featuring the authentic \u003cstrong\u003eSanken STR-30123\u003c\/strong\u003e thick-film hybrid integrated circuit. Extensively utilized as a primary-side fixed voltage regulator in line-operated television chassis and vintage display monitors, this power management device integrates a high-performance triple-diffused planar Darlington power switching transistor alongside its dedicated reference voltage and error feedback drive circuitry inside a single robust module.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Sanken Electric Co., Ltd. (Sourced and cataloged as an OEM factory replacement part by the Zenith Electronics service network).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory Part Numbers:\u003c\/strong\u003e Zenith 905-00090 \/ 905-90 (Directly replaces standard Sanken STR-30123 \/ STR30123 configurations).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e 5-Pin Single In-line Power Package (SIP-5 \/ ZIP-5 \/ TO-3P modification) featuring an integrated metal cooling fin with a single pre-drilled mounting hole for secure heat sink coupling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical Specifications:\u003c\/strong\u003e Delivers a highly stable, fixed output target of \u003cstrong\u003e123V (±0.8V)\u003c\/strong\u003e under a 200V maximum peak input voltage ceiling, rated for up to 1.0A of continuous output current and 27W of maximum power dissipation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon Chassis Applications:\u003c\/strong\u003e Widely relied upon for rebuilding primary power regulation stages in classic color televisions, arcade video display units (famously deployed at location \u003cstrong\u003eIC4\u003c\/strong\u003e on Wells Gardner K7000-series boards), and as a precise replacement for the 223-18-01 regulator on Zenith K7000A monitor chassis.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand New \/ New Old Stock (NOS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis critical replacement semiconductor block is highly sought after by retro arcade technicians, vintage TV repair benches, and classic CRT restoration hobbyists requiring an authentic OEM cross-referenced component to restore power grid rails back to original factory parameters.\u003c\/p\u003e","brand":"Zenith","offers":[{"title":"New","offer_id":48108836913306,"sku":"SC0002","price":18.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/9477\/8778\/files\/44-Zenith_20905-00090_20_STR-30123_20Sanken_20Hybrid_20Fixed_20Voltage_20Regulator_20IC.jpg?v=1779420608","url":"https:\/\/prellelectronics.com\/products\/zenith-905-00090-str-30123-voltage-regulator-ic","provider":"Prell Electronics","version":"1.0","type":"link"}