{"product_id":"yangxing-x322512msb4si-12mhz-precision-quartz-crystal-12pf-20ppm-3-2x2-5mm-smd","title":"Yangxing X322512MSB4SI 12MHz Precision Quartz Crystal (12pF, ±20ppm, 3.2x2.5mm SMD)","description":"\u003cp\u003eProvide a clean, highly accurate master clock signal for your digital electronics with the \u003cb\u003eX322512MSB4SI\u003c\/b\u003e surface-mount quartz crystal resonator from Yangxing (YSX321SL series). Operating at a fundamental frequency of \u003cb\u003e12.000 MHz\u003c\/b\u003e, this crystal is a foundational clock source widely used across USB interface controllers, microcontrollers, wireless communication modules, and digital signal processors.\u003c\/p\u003e\n\u003cp\u003eHoused in a compact, industry-standard 3.2 x 2.5 mm 4-pin hermetically sealed metal package, it offers exceptional environmental protection and electromagnetic shielding. Featuring a tight frequency tolerance of \u003cspan class=\"math-inline\"\u003e$\\pm20\\text{ ppm}$\u003c\/span\u003e and a standard 12pF load capacitance (\u003cspan class=\"math-inline\"\u003e$C_L$\u003c\/span\u003e), it ensures fast oscillator startup and excellent frequency stability across temperature variations. It is an ideal choice for custom Arduino\/ATmega boards, STM32 systems, USB-to-UART bridges (CH340\/CP2102), and compact IoT hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e12.000 MHz Core Frequency:\u003c\/b\u003e Standard frequency widely used for USB PHY timing, microcontrollers, and system clock generation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh Precision (\u003cspan class=\"math-inline\"\u003e$\\pm20\\text{ ppm}$\u003c\/span\u003e):\u003c\/b\u003e Tight frequency tolerance ensures accurate clocking for communication interfaces and timing-critical logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSealed 3225 Metal Package:\u003c\/b\u003e 4-pin 3.2 x 2.5 mm surface-mount footprint provides robust shielding and long-term frequency stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e12pF Load Capacitance:\u003c\/b\u003e Fully compatible with standard external load capacitors (\u003cspan class=\"math-inline\"\u003e$C_1\/C_2$\u003c\/span\u003e) in Pierce oscillator circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e X322512MSB4SI\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e Yangxing (YSX321SL)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComponent Type:\u003c\/b\u003e Quartz Crystal Resonator\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNominal Frequency:\u003c\/b\u003e 12.000 MHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFrequency Tolerance:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e$\\pm20\\text{ ppm}$\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLoad Capacitance (\u003cspan class=\"math-inline\"\u003e$C_L$\u003c\/span\u003e):\u003c\/b\u003e 12 pF\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePackage Dimensions:\u003c\/b\u003e 3.2 x 2.5 mm (SMD 3225, 4-Pin)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RC-LIFE","offers":[{"title":"Default Title","offer_id":54300817883474,"sku":null,"price":1.5,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1065\/8067\/2850\/files\/f8182094-0f0f-4c75-a7b5-399df73a407e.jpg?v=1787045200","url":"https:\/\/rc-life.com\/pl\/products\/yangxing-x322512msb4si-12mhz-precision-quartz-crystal-12pf-20ppm-3-2x2-5mm-smd","provider":"rc-life","version":"1.0","type":"link"}