{"id":10265,"date":"2026-07-09T09:05:42","date_gmt":"2026-07-09T09:05:42","guid":{"rendered":"https:\/\/materialparts.com\/q-25-0-jxs32-12-10-20-t1-fu-lf\/"},"modified":"2026-07-09T09:05:42","modified_gmt":"2026-07-09T09:05:42","slug":"q-25-0-jxs32-12-10-20-t1-fu-lf","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/q-25-0-jxs32-12-10-20-t1-fu-lf\/","title":{"rendered":"Q 25.0-JXS32-12-10\/20-T1-FU-LF"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The Q 25.0-JXS32-12-10\/20-T1-FU-LF is a Jauch Quartz product designed for electronic applications. It features compact design with reliable performance characteristics suitable for various industrial and consumer applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nSMD Quartz Crystal (AT-cut, Fundamental)<\/td>\n<\/tr>\n
Series<\/td>\nJXS32<\/td>\n<\/tr>\n
Frequency<\/td>\n25.000 MHz<\/td>\n<\/tr>\n
Frequency Tolerance at 25C<\/td>\n+\/- 10 ppm<\/td>\n<\/tr>\n
Frequency Stability vs Temperature<\/td>\n+\/- 20 ppm (-40C to +85C, T1)<\/td>\n<\/tr>\n
Load Capacitance CL<\/td>\n12 pF<\/td>\n<\/tr>\n
ESR (Series Resistance)<\/td>\n50 Ohm max \/ 25 Ohm typ (22-29.999 MHz)<\/td>\n<\/tr>\n
Shunt Capacitance C0<\/td>\n< 5 pF<\/td>\n<\/tr>\n
Drive Level Max<\/td>\n100 uW<\/td>\n<\/tr>\n
Aging (1st year)<\/td>\n< +\/- 1 ppm (option for tol. +\/-10 ppm)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40C to +85C (T1)<\/td>\n<\/tr>\n
\u5b58\u50a8\u6e29\u5ea6<\/td>\n-40C to +90C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n3.2 x 2.5 x 0.8 mm, 4-Pad SMD<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nTape and Reel<\/td>\n<\/tr>\n
RoHS<\/td>\nCompliant (LF suffix)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n

25.0 MHz AT-cut fundamental quartz crystal; JXS32 3.2×2.5mm seam-sealed ceramic\/metal package; Tight \u00b110ppm frequency tolerance at 25C; \u00b120ppm frequency stability over -40C to +85C (T1); 12pF load capacitance; ESR 50 Ohm max; 4-pad SMD with ground pads; Low profile 0.8mm height; Drive level 100uW max; Aging less than \u00b11ppm first year (for \u00b110ppm tolerance grade); Industrial temperature range; FU = fundamental mode (>=20MHz); RoHS compliant lead-free (LF)<\/p>\n

\u5e94\u7528<\/h2>\n

Ethernet 10\/100\/1000 PHY clock; Wi-Fi module reference clock; GPS timing reference; Precision frequency reference; Telecom clock generation; Network timing; Industrial Ethernet; Synchronous digital systems<\/p>","protected":false},"excerpt":{"rendered":"

Product Overview The Q 25.0-JXS32-12-10\/20-T1-FU-LF is a Jauch Quartz product designed for electronic applications. It features compact design with reliable performance characteristics suitable for various industrial and consumer applications. Key Specifications Type SMD Quartz Crystal (AT-cut, Fundamental) Series JXS32 Frequency 25.000 MHz Frequency Tolerance at 25C +\/- 10 ppm Frequency Stability vs Temperature +\/- 20 […]<\/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":[65,60],"tags":[1511],"chip_brand":[1500],"class_list":["post-10265","post","type-post","status-publish","format-standard","hentry","category-crystals-oscillators","category-passive-components","tag-q-25-0-jxs32-12-10-20-t1-fu-lf","chip_brand-jauch-2"],"acf":{"brief_explanation":"25.0 MHz AT-cut quartz crystal, 12pF, \u00b110ppm tol, \u00b120ppm stability, -40 to +85C, 3.2x2.5mm, high precision","date_code":"","package_case":"3.2 x 2.5 x 0.8 mm (4-Pad SMD)","in_stock":8519,"datasheet":"https:\/\/www.jauch.com\/downloadfile\/57fded96127c1_d7078885e61a8aeca980\/jxs32.pdf","price":"$2.00 @ 1ku","product_introduction":"The Q 25.0-JXS32-12-10\/20-T1-LF from Jauch Quartz is a 25.000 MHz AT-cut fundamental mode quartz crystal in the JXS32 3.2 x 2.5mm 4-pad package, offering high-precision specifications with \u00b110ppm tolerance at 25C and \u00b120ppm stability over the -40C to +85C industrial temperature range. This tight tolerance and stability combination gives a total worst-case frequency deviation of only \u00b130ppm (\u00b1750 Hz at 25 MHz), making it suitable for applications requiring precise frequency control such as Ethernet PHY clocking, Wi-Fi reference clocks, and GPS timing. The \u00b110ppm tolerance grade also benefits from reduced aging of less than \u00b11ppm per year (compared to \u00b13ppm for the standard grade), ensuring long-term frequency accuracy. The 12pF load capacitance matches the oscillator requirements of most Ethernet PHY and Wi-Fi transceiver ICs. The FU option indicates fundamental mode operation for frequencies at or above 20 MHz, which provides better frequency stability and lower ESR than 3rd overtone alternatives.","working_principle":"The Q 25.0-JXS32-12-10\/20-T1-LF operates as a high-precision piezoelectric resonator using an AT-cut quartz crystal blank vibrating in fundamental thickness-shear mode at 25.000 MHz. The AT-cut orientation provides a cubic frequency-temperature characteristic with a turnover point near 25-30C, achieving \u00b120ppm stability over the -40C to +85C range. The \u00b110ppm initial tolerance at 25C is achieved through tight manufacturing control of the crystal blank thickness during lapping and final frequency adjustment by vacuum deposition of gold electrodes. The 12pF load capacitance sets the oscillator operating frequency slightly above the series resonant frequency, where the crystal presents an inductive impedance. The total worst-case frequency deviation of \u00b130ppm (tolerance + stability) translates to \u00b1750 Hz at 25 MHz, which meets the \u00b150ppm (\u00b11250 Hz) requirement for 1000BASE-T Ethernet PHY clocking with comfortable margin. The 4-pad design with pads 2 and 4 connected to the metal lid provides an electrostatic ground shield that reduces electromagnetic coupling and improves frequency stability in noisy PCB environments.","pin_description":"
Pad<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
1<\/td>Crystal Terminal 1<\/td>Passive<\/td>One terminal of the quartz resonator; connects to oscillator amplifier<\/td><\/tr>
2<\/td>Ground \/ Case<\/td>Ground<\/td>Connected to metal lid; preferably connect to PCB ground for shielding<\/td><\/tr>
3<\/td>Crystal Terminal 2<\/td>Passive<\/td>Other terminal of the quartz resonator; connects to oscillator amplifier<\/td><\/tr>
4<\/td>Ground \/ Case<\/td>Ground<\/td>Connected to metal lid; preferably connect to PCB ground for shielding<\/td><\/tr><\/table>","application_scenarios":"
  • Ethernet PHY Clock:<\/strong> Provides the precise 25 MHz reference for 10\/100\/1000 Ethernet PHY transceivers where \u00b130ppm total stability meets the IEEE 802.3 clock accuracy requirement.<\/li>
  • Wi-Fi Reference Clock:<\/strong> 25 MHz reference for Wi-Fi radio modules with \u00b110ppm tolerance ensuring carrier frequency accuracy for reliable RF communication.<\/li>
  • GPS Timing:<\/strong> Time reference for GPS receiver modules where 25 MHz with tight \u00b110ppm tolerance provides the precise clock for satellite signal correlation.<\/li>
  • Industrial Ethernet:<\/strong> Clock reference for industrial Ethernet switches and PROFINET devices requiring industrial temperature range with precise frequency control.<\/li><\/ul>","alternative_models":"
    Manufacturer<\/th>Part Number<\/th>Package<\/th>Frequency<\/th>Notes<\/th><\/tr>
    Jauch<\/td>Q 25.0-JXS22-12-10\/20-T1-FU-LF<\/td>2.5x2.0mm<\/td>25.0 MHz<\/td>Smaller 2520 package<\/td><\/tr>
    Epson<\/td>FA-238V 25.0000MF12Z-W<\/td>3.2x2.5mm<\/td>25.0 MHz<\/td>Pin-compatible high-precision crystal<\/td><\/tr>
    NDK<\/td>NX3225SA 25.000MHz<\/td>3.2x2.5mm<\/td>25.0 MHz<\/td>Industry-standard 3225 crystal<\/td><\/tr>
    TXC<\/td>7A-25.000MAAJ-T<\/td>3.2x2.5mm<\/td>25.0 MHz<\/td>Low-cost alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/10265","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=10265"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/10265\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=10265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=10265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=10265"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}