{"id":9691,"date":"2026-07-05T09:38:14","date_gmt":"2026-07-05T09:38:14","guid":{"rendered":"https:\/\/materialparts.com\/sws3127d48-32-768k-2\/"},"modified":"2026-07-05T09:38:14","modified_gmt":"2026-07-05T09:38:14","slug":"sws3127d48-32-768k-2","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/sws3127d48-32-768k-2\/","title":{"rendered":"SWS3127D48-32.768K"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The SWS3127D48-32.768K is a 32.768 kHz tuning fork quartz crystal manufactured by Suntsu Electronics. It features a compact 2-SMD (3.2 x 1.5 x 0.8mm) package with \u00b120ppm frequency tolerance and 7pF load capacitance. The device operates over -40\u00b0C to +85\u00b0C and is RoHS3 compliant.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<ul>\n<li>Frequency: 32.768 kHz<\/li>\n<li>Frequency Tolerance: \u00b120ppm<\/li>\n<li>Load Capacitance: 7pF<\/li>\n<li>ESR: 70 k\u03a9<\/li>\n<li>Operating Mode: Fundamental<\/li>\n<li>Operating Temperature: -40\u00b0C ~ +85\u00b0C<\/li>\n<li>Package: 2-SMD No Lead, 3.20 x 1.50 x 0.80mm<\/li>\n<li>MSL: 1 (Unlimited)<\/li>\n<li>RoHS: ROHS3 Compliant<\/li>\n<li>ECCN: EAR99<\/li>\n<\/ul>\n<h2>\u7279\u70b9<\/h2>\n<ul>\n<li>Standard 32.768kHz RTC frequency<\/li>\n<li>Low profile 3.2 x 1.5mm SMD package<\/li>\n<li>7pF load capacitance for low-power oscillator designs<\/li>\n<li>MSL 1 for unlimited floor life<\/li>\n<\/ul>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Real-time clock (RTC) circuits<\/li>\n<li>Microcontroller watch crystal oscillators<\/li>\n<li>Wearable devices and smartwatches<\/li>\n<li>Portable electronics timekeeping<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The SWS3127D48-32.768K is a 32.768 kHz tuning fork quartz crystal manufactured by Suntsu Electronics. It features a compact 2-SMD (3.2 x 1.5 x 0.8mm) package with \u00b120ppm frequency tolerance and 7pF load capacitance. The device operates over -40\u00b0C to +85\u00b0C and is RoHS3 compliant. Key Specifications Frequency: 32.768 kHz Frequency Tolerance: \u00b120ppm Load [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,55],"tags":[937],"chip_brand":[936],"class_list":["post-9691","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-transistors","tag-sws3127d48-32-768k","chip_brand-suntsu"],"acf":{"brief_explanation":"32.768kHz tuning fork crystal, \u00b120ppm, 7pF CL, 70k\u03a9 ESR, 2-SMD 3.2x1.5mm, -40~85\u00b0C","date_code":"","package_case":"2-SMD No Lead (3.20 x 1.50 x 0.80mm)","in_stock":9483,"datasheet":"https:\/\/www.alldatasheet.com\/datasheet-pdf\/pdf\/1295278\/SUNTSU\/SWS3127D48.html","price":"","product_introduction":"The SWS3127D48-32.768K is a 32.768kHz tuning fork crystal from Suntsu Electronics in a compact 3.2x1.5mm SMD package, ideal for real-time clock applications.","working_principle":"The tuning fork crystal uses the flexural vibration mode of a quartz element to generate a stable 32.768kHz signal. This frequency equals 2^15 Hz, making it ideal for binary division chains in RTC circuits. The low 7pF load capacitance reduces oscillator power consumption.","pin_description":"<table><tr><th>Pin<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>Crystal terminal 1<\/td><\/tr><tr><td>2<\/td><td>Crystal terminal 2<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Real-time clock modules for embedded systems<\/li><li>Wearable device timekeeping<\/li><li>Power management IC timing reference<\/li><li>Low-power MCU sleep timer<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>CL<\/th><th>Temp<\/th><\/tr><tr><td>SWS31212D48-32.768KT<\/td><td>Suntsu<\/td><td>12.5pF<\/td><td>-40~85\u00b0C<\/td><\/tr><tr><td>SAW3127D5B-32.768K<\/td><td>Suntsu<\/td><td>7pF<\/td><td>-55~125\u00b0C<\/td><\/tr><tr><td>ABS07-32.768kHz-7-T<\/td><td>Abracon<\/td><td>7pF<\/td><td>-40~85\u00b0C<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=9691"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9691\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=9691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=9691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=9691"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=9691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}