{"id":9819,"date":"2026-07-06T11:10:11","date_gmt":"2026-07-06T11:10:11","guid":{"rendered":"https:\/\/materialparts.com\/q-0032768-jtx310-7-20-t1-hmr-lf\/"},"modified":"2026-07-06T11:10:11","modified_gmt":"2026-07-06T11:10:11","slug":"q-0032768-jtx310-7-20-t1-hmr-lf","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/q-0032768-jtx310-7-20-t1-hmr-lf\/","title":{"rendered":"Q 0,032768-JTX310-7-20-T1-HMR-LF"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The Q 0,032768-JTX310-7-20-T1-HMR-LF is a 32.768kHz tuning fork crystal from a manufacturer such as Jauch or similar. The part number indicates 32.768kHz frequency, JTX310 series, 7pF load capacitance, +\/-20ppm tolerance, T1 package (3.2&#215;1.5mm SMD), HMR (high moisture resistance), and LF (lead-free) construction.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li>Type: 32.768kHz Tuning Fork Crystal (SMD)<\/li>\n<li>Frequency: 32.768kHz<\/li>\n<li>Series: JTX310<\/li>\n<li>Load Capacitance: 7pF<\/li>\n<li>Frequency Tolerance: +\/-20ppm<\/li>\n<li>Package: T1 (3.2 x 1.5mm) SMD ceramic<\/li>\n<li>ESR: 70k Ohm max typical<\/li>\n<li>Drive Level: 0.5uW max<\/li>\n<li>Aging: +\/-3ppm\/year first year<\/li>\n<li>Operating Temp: -40C to +85C<\/li>\n<li>Moisture Resistance: HMR (High)<\/li>\n<li>RoHS: Compliant (LF = Lead-Free)<\/li>\n<\/ul>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>Compact 3.2&#215;1.5mm SMD ceramic package<\/li>\n<li>32.768kHz standard RTC frequency<\/li>\n<li>7pF load capacitance for low-power oscillator design<\/li>\n<li>+\/-20ppm frequency tolerance<\/li>\n<li>High moisture resistance (HMR) for harsh environments<\/li>\n<li>Lead-free (LF) construction<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Real-time clock (RTC) circuits<\/li>\n<li>Microcontroller timing<\/li>\n<li>Wearable devices<\/li>\n<li>IoT timekeeping<\/li>\n<li>Industrial RTC modules<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The Q 0,032768-JTX310-7-20-T1-HMR-LF is a 32.768kHz tuning fork crystal from a manufacturer such as Jauch or similar. The part number indicates 32.768kHz frequency, JTX310 series, 7pF load capacitance, +\/-20ppm tolerance, T1 package (3.2&#215;1.5mm SMD), HMR (high moisture resistance), and LF (lead-free) construction. Key Specifications Type: 32.768kHz Tuning Fork Crystal (SMD) Frequency: 32.768kHz Series: [&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":[1104],"chip_brand":[1103],"class_list":["post-9819","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-transistors","tag-q-0032768-jtx310-7-20-t1-hmr-lf","chip_brand-jauch"],"acf":{"brief_explanation":"32.768kHz crystal, JTX310, 7pF, +\/-20ppm, 3.2x1.5mm, HMR, lead-free","date_code":"","package_case":"3.2 x 1.5 x 0.8mm SMD ceramic","in_stock":19813,"datasheet":"https:\/\/www.jauch.com\/products\/quartz-crystals\/","price":"$0.25 @ 1ku","product_introduction":"The Q 0,032768-JTX310-7-20-T1-HMR-LF is a 32.768kHz tuning fork crystal in a 3.2x1.5mm SMD ceramic package with 7pF load capacitance, +\/-20ppm tolerance, and high moisture resistance for RTC timing applications.","working_principle":"The tuning fork crystal uses a X-cut quartz element vibrating at 32.768kHz (2^15 Hz) in a flexural mode. The ceramic SMD package provides hermetic sealing and mechanical protection. When connected in the feedback path of a CMOS inverter oscillator with 7pF load capacitance, the piezoelectric effect sustains precise oscillation. The 32.768kHz frequency divided by 2^15 produces exactly 1Hz for real-time clock counting.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>Crystal<\/td><td>One terminal of quartz resonator<\/td><\/tr><tr><td>2<\/td><td>Crystal<\/td><td>Other terminal of quartz resonator<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Real-time clock (RTC) circuits<\/li><li>Microcontroller timing<\/li><li>Wearable devices<\/li><li>IoT timekeeping<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Key Spec<\/th><th>Package<\/th><\/tr><tr><td>FC-135 32.768KHZ 7PF<\/td><td>Epson<\/td><td>32.768kHz 3215<\/td><td>3.2x1.5mm<\/td><\/tr><tr><td>ABS07-32.768KHZ-7-T<\/td><td>Abracon<\/td><td>32.768kHz 3215<\/td><td>3.2x1.5mm<\/td><\/tr><tr><td>NX3215SA-32.768K-STD-MUA-7<\/td><td>NDK<\/td><td>32.768kHz 3215<\/td><td>3.2x1.5mm<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=9819"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9819\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=9819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=9819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=9819"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=9819"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}