{"id":10292,"date":"2026-07-09T12:07:09","date_gmt":"2026-07-09T12:07:09","guid":{"rendered":"https:\/\/ic-vendor.com\/j12-017-sol28\/"},"modified":"2026-07-09T12:07:09","modified_gmt":"2026-07-09T12:07:09","slug":"j12-017-sol28","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/j12-017-sol28\/","title":{"rendered":"J12.017-SOL28"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The J12.017-SOL28 from Jauch Quartz is a 12.0 MHz AT-cut fundamental mode quartz crystal in the SOL28 (HC-49\/US) surface-mount metal can package. The HC-49\/US is one of the most widely used crystal packages in the electronics industry, offering proven reliability and excellent frequency stability for microcontroller clock and communication timing applications.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table>\n<tr>\n<td>\u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629<\/td>\n<td>Jauch Quartz<\/td>\n<\/tr>\n<tr>\n<td>Frequency<\/td>\n<td>12.0 MHz<\/td>\n<\/tr>\n<tr>\n<td>Operating Mode<\/td>\n<td>Fundamental AT-cut<\/td>\n<\/tr>\n<tr>\n<td>Frequency Tolerance<\/td>\n<td>\u00b130 ppm at 25\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Frequency Stability<\/td>\n<td>\u00b130 ppm (-40\u00b0C to +85\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Load Capacitance<\/td>\n<td>12 pF (standard)<\/td>\n<\/tr>\n<tr>\n<td>ESR (Series Resistance)<\/td>\n<td>100 Ohm max \/ 50 Ohm typical (12.0-12.999 MHz range)<\/td>\n<\/tr>\n<tr>\n<td>Shunt Capacitance C0<\/td>\n<td>< 7 pF<\/td>\n<\/tr>\n<tr>\n<td>Drive Level<\/td>\n<td>100 \u00b5W max<\/td>\n<\/tr>\n<tr>\n<td>Aging (1st year)<\/td>\n<td>< \u00b13 ppm<\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n<td>-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u062e\u0632\u064a\u0646<\/td>\n<td>-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +125 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n<td>HC-49\/US (SOL28) SMD Metal Can, 11.7 x 4.8 x 4.0 mm<\/td>\n<\/tr>\n<tr>\n<td>RoHS<\/td>\n<td>Compliant (LF suffix)<\/td>\n<\/tr>\n<\/table>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>12.0 MHz AT-cut fundamental quartz crystal<\/li>\n<li>HC-49\/US (SOL28) surface-mount metal can package<\/li>\n<li>Industry-standard footprint compatible with multiple manufacturers<\/li>\n<li>12 pF standard load capacitance<\/li>\n<li>ESR 100 Ohm max for 12 MHz range<\/li>\n<li>\u00b130 ppm frequency tolerance and stability<\/li>\n<li>Reflow soldering compatible<\/li>\n<li>RoHS compliant lead-free<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Microcontroller clock oscillation circuits<\/li>\n<li>Communication system timing references<\/li>\n<li>Industrial control system clocking<\/li>\n<li>USB and UART baud rate generation<\/li>\n<li>Consumer electronics system clock<\/li>\n<li>Embedded processor timing<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The J12.017-SOL28 from Jauch Quartz is a 12.0 MHz AT-cut fundamental mode quartz crystal in the SOL28 (HC-49\/US) surface-mount metal can package. The HC-49\/US is one of the most widely used crystal packages in the electronics industry, offering proven reliability and excellent frequency stability for microcontroller clock and communication timing applications. Key Specifications [&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":[65],"tags":[1540,1538,1539],"chip_brand":[1103],"class_list":["post-10292","post","type-post","status-publish","format-standard","hentry","category-crystals-oscillators","tag-hc-49-us","tag-j12-017-sol28","tag-sol28","chip_brand-jauch"],"acf":{"brief_explanation":"Jauch SOL28 12.0MHz AT-cut fundamental quartz crystal, HC-49\/US SMD, 12pF, \u00b130ppm, ESR 100\u03a9 max, -40 to +85\u00b0C","date_code":"","package_case":"HC-49\/US SMD Metal Can (11.7 x 4.8 x 4.0 mm)","in_stock":12476,"datasheet":"https:\/\/www.jauch.com\/en-US\/products\/frequency_control_components\/getPrm\/Quartz%20Crystals\/","price":"","product_introduction":"The J12.017-SOL28 from Jauch Quartz is a 12.0 MHz AT-cut fundamental mode quartz crystal in the SOL28 (HC-49\/US) surface-mount metal can package. The 12 MHz frequency is one of the most commonly used clock frequencies in embedded systems, providing a convenient reference for UART baud rate generation (12 MHz divides to standard baud rates with minimal error) and general-purpose microcontroller clocking. The HC-49\/US package (also designated SOL28 by Jauch) is an industry-standard footprint that is pin-compatible with equivalent crystals from multiple manufacturers including Epson, NDK, TXC, and Fox Electronics. The \u00b130 ppm frequency tolerance at 25\u00b0C and \u00b130 ppm stability over the -40\u00b0C to +85\u00b0C operating range provide sufficient accuracy for most industrial and consumer applications.","working_principle":"The J12.017-SOL28 operates as a piezoelectric resonator using the inverse piezoelectric effect of an AT-cut quartz crystal blank. When an electric field is applied across the quartz wafer, it mechanically deforms at a precise resonant frequency determined by the wafer thickness. For a 12.0 MHz fundamental AT-cut crystal, the wafer thickness is approximately 0.139 mm. The AT-cut orientation (35.25 degrees from the Z-axis) provides a near-zero temperature coefficient around room temperature with a cubic frequency-temperature characteristic. In a Pierce oscillator circuit, the crystal operates as a highly selective bandpass filter in the feedback path, with the 12 pF load capacitance forming the phase-shift network. The oscillation frequency is determined by f = fS \u00d7 (1 + C1 \/ (2 \u00d7 (C0 + CL))).","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Type<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>Crystal Terminal 1<\/td><td>Passive<\/td><td>Connects to oscillator amplifier input or output<\/td><\/tr><tr><td>2<\/td><td>Crystal Terminal 2<\/td><td>Passive<\/td><td>Connects to oscillator amplifier output or input<\/td><\/tr><\/table>","application_scenarios":"<ul><li><strong>MCU Clock:<\/strong> Provides 12 MHz system clock for 8-bit and 32-bit microcontrollers in Pierce oscillator configuration with 12pF external load capacitors.<\/li><li><strong>UART Timing:<\/strong> Baud rate generation for serial communication where 12 MHz divides to standard baud rates (9600, 19200, 115200) with minimal error.<\/li><li><strong>Industrial Control:<\/strong> Clock reference for PLCs and motor controllers with \u00b130ppm stability ensuring reliable communication timing.<\/li><li><strong>Consumer Electronics:<\/strong> System clock for home appliances and consumer devices with HC-49\/US industry-standard footprint.<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Package<\/th><th>Frequency<\/th><th>Notes<\/th><\/tr><tr><td>Epson<\/td><td>CA-301 12.000MHz<\/td><td>HC-49\/US<\/td><td>12 MHz<\/td><td>Pin-compatible direct replacement<\/td><\/tr><tr><td>TXC<\/td><td>9B-12.000MEEJ-B<\/td><td>HC-49\/US<\/td><td>12 MHz<\/td><td>Pin-compatible alternative<\/td><\/tr><tr><td>NDK<\/td><td>NX5032GA 12.000MHz<\/td><td>5x3.2mm<\/td><td>12 MHz<\/td><td>Smaller 5032 alternative<\/td><\/tr><tr><td>Jauch<\/td><td>Q 12.0-JXS32-12-30\/30-T1-LF<\/td><td>3.2x2.5mm<\/td><td>12 MHz<\/td><td>Compact 3225 alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=10292"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10292\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=10292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=10292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=10292"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10292"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}