{"product_id":"a42-7912-negative-voltage-regulator-12v-1-5a-fixed-output-to-220-package-l7912-mc7912","title":"A42 7912 Negative Voltage Regulator, -12V 1.5A Fixed Output, TO-220 Package (L7912 \/ MC7912)","description":"\u003cp data-path-to-node=\"7\"\u003eThe \u003cb data-path-to-node=\"7\" data-index-in-node=\"4\"\u003e7912\u003c\/b\u003e is a robust monolithic integrated circuit designed to provide a stable \u003cb data-path-to-node=\"7\" data-index-in-node=\"80\"\u003e-12V fixed output\u003c\/b\u003e. Housed in a \u003cb data-path-to-node=\"7\" data-index-in-node=\"111\"\u003eTO-220 package\u003c\/b\u003e, it is an essential component for creating dual-rail (split) power supplies, which are commonly required for high-quality audio equipment and operational amplifier (Op-Amp) circuits.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eKey Technical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eFunction:\u003c\/b\u003e Fixed Negative Voltage Regulator\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eOutput Voltage:\u003c\/b\u003e -12V (Fixed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eOutput Current:\u003c\/b\u003e Up to 1.5A (with adequate heat sinking)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eInput Voltage:\u003c\/b\u003e -14.5V to -35V (Maximum)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb data-path-to-node=\"9,4,0\" data-index-in-node=\"0\"\u003ePackage Type:\u003c\/b\u003e TO-220 (Through-hole)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb data-path-to-node=\"9,5,0\" data-index-in-node=\"0\"\u003eProtection Features:\u003c\/b\u003e Internal thermal overload protection and short-circuit current limiting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eApplications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eDual Power Supplies:\u003c\/b\u003e Combined with a 7812 regulator to provide \u003cspan class=\"math-inline\" data-math=\"+12\\text{V}\" data-index-in-node=\"63\"\u003e$+12\\text{V}$\u003c\/span\u003e, \u003cspan class=\"math-inline\" data-math=\"0\\text{V}\" data-index-in-node=\"76\"\u003e$0\\text{V}$\u003c\/span\u003e, and \u003cspan class=\"math-inline\" data-math=\"-12\\text{V}\" data-index-in-node=\"91\"\u003e$-12\\text{V}$\u003c\/span\u003e rails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eOperational Amplifiers:\u003c\/b\u003e Providing the negative rail for Op-Amps like the TL072 or LM358.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eAnalog Audio Gear:\u003c\/b\u003e Powering mixers, synthesizers, and signal processors that require symmetrical voltage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eIndustrial Controls:\u003c\/b\u003e Negative bias voltage for specialized sensor systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eWhy Choose the 7912?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eSimplicity:\u003c\/b\u003e No external resistors are needed to set the voltage; it works \"out of the box\" with just a few decoupling capacitors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eHigh Reliability:\u003c\/b\u003e Built-in protection ensures the chip survives accidental shorts or overheating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eStandard Footprint:\u003c\/b\u003e The TO-220 package is easy to mount to heat sinks for high-current applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SLVSALES","offers":[{"title":"Default Title","offer_id":45763774251194,"sku":null,"price":43.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6377\/9258\/files\/Screenshot2026-04-09122623.png?v=1775717813","url":"https:\/\/www.slvsales.in\/products\/a42-7912-negative-voltage-regulator-12v-1-5a-fixed-output-to-220-package-l7912-mc7912","provider":"SLVSALES","version":"1.0","type":"link"}