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TAXM32768K4JGDCZT3T是雅晶鑫(YJX)推出的工业级无源贴片晶振,核心频率32.768kHz为行业通用计时基准,专为低功耗实时时钟(RTC)及低频定时场景设计,具备小型化封装、宽温稳定等特性,适配多数消费电子、物联网及工业控制设备的计时需求。
该晶振关键参数明确,可支撑精准计时与稳定振荡:
TAXM32768K4JGDCZT3T采用MC-306小型化贴片封装,对应SMD8038_4P引脚配置(4引脚无外露),尺寸适配常规SMT贴装设备,可有效节省PCB空间。该封装具备以下优势:
精准计时适配
32.768kHz频率与2¹⁵分频特性天然匹配RTC电路,可直接分频得到1Hz秒信号,简化电路设计的同时,降低系统功耗(如智能手环RTC待机电流仅微安级)。
宽温稳定可靠
±30ppm的频率稳定度覆盖-40℃~+85℃温区,即使在低温(-20℃)或高温(+70℃)环境下,仍能保持计时精度,避免因温度变化导致的时间漂移。
负载电容匹配性
12.5pF推荐负载电容明确了外接需求:用户只需选择25pF×2陶瓷电容(并联后≈12.5pF,需考虑PCB寄生电容<1pF),即可实现稳定振荡,降低设计难度。
低功耗振荡兼容
50kΩ的ESR与无源晶振特性结合,适配CMOS反相器(如74HC04)或专用RTC芯片(如DS3231),满足智能设备“长期待机”的功耗要求。
该晶振因频率特性与宽温范围,主要应用于:
TAXM32768K4JGDCZT3T以精准的32.768kHz基准、宽温稳定特性及小型化封装,成为RTC及低频定时场景的高性价比选择,可满足多数电子设备的计时需求。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
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The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
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The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
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Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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