ECS封装扩展影响了六种流行的表面贴装音叉，尺寸范围从2.0mmx1.2mm到3.2mmx1.5mm。选择包括 STMicroelectronics 推荐用于 STM32 AN2867 或符合 AEC-Q200 标准的音叉的32.768 kHz音叉晶体。每个受影响的音叉都可以采用 TR（卷带式）包装、3,000片卷盘或TR9包装、9,000片卷盘提供
ECS晶振推出超小型ECX-34S系列，编码ECS-.327-12.5-34S-TR，是一款非常紧凑的SMD音叉晶体，32.768kHz晶振，两脚贴片晶振，扩展工作温度范围为-40℃至+125℃。小体积尺寸3.2x1.5x0.9mm陶瓷封装，非常适合移动设备、无线设备和工业应用，STM32 AN2867等低功耗RTC应用，-40℃至+125℃工作温度，符合RoHS 2011/65/EU标准，符合REACH标准.
3215mm晶振ECS-.327-12.5-34S-TR9适合无线设备和工业应用,ECS-.327-7-34QS-TR,32.768k晶振

原厂编码	ECS晶振	型号	频率	工作温度	包装/封装
ECS-.327-12.5-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34S-TR	ECScrystal	ECX-34S	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34S-TR	ECScrystal	ECX-34S	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34S-TR	ECScrystal	ECX-34S	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34S-TR	ECScrystal	ECX-34S	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34S-TR	ECScrystal	ECX-34S	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34S-TR	ECScrystal	ECX-34S	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-7-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-7-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-7-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-9-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-9-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-9-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34QS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-9-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-9-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-9-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-12.5-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-12.5-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-12.5-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-9-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-9-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-9-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-7-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-7-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-7-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34R-C-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-12.5-34R-C-TR	ECScrystal	ECX-34R	32.768k	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-12.5-34R-C-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-6-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-6-34QCS-TR	ECScrystal	ECX-34Q	32.768kHz	-40°C ~ 125°C	2-SMD, No Lead
ECS-.327-12.5-34G-TR	ECScrystal	ECX-34G	32.768kHz	-40°C ~ 85°C	3-SMD, No Lead
ECS-.327-12.5-34G-TR	ECScrystal	ECX-34G	32.768kHz	-40°C ~ 85°C	3-SMD, No Lead
ECS-.327-12.5-34G-TR	ECScrystal	ECX-34G	32.768kHz	-40°C ~ 85°C	3-SMD, No Lead
ECS-.327-6-34G-TR	ECScrystal	ECX-34G	32.768kHz	-40°C ~ 85°C	3-SMD, No Lead
ECS-.327-6-34G-TR	ECScrystal	ECX-34G	32.768kHz	-40°C ~ 85°C	3-SMD, No Lead
ECS-.327-6-34G-TR	ECScrystal	ECX-34G	32.768kHz	-40°C ~ 85°C	3-SMD, No Lead
ECS-.327-7-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-7-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-7-34R-TR	ECScrystal	ECX-34R	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-12.5-34RR-TR	ECScrystal	ECX-34RR	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-9-34RR-TR	ECScrystal	ECX-34RR	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead
ECS-.327-6-34RR-TR	ECScrystal	ECX-34RR	32.768kHz	-40°C ~ 85°C	2-SMD, No Lead

3215mm晶振ECS-.327-12.5-34S-TR9适合无线设备和工业应用,ECS-.327-7-34QS-TR,32.768k晶振
32.768kHz晶振是一款实时时钟晶振，它的作用是可以产生时序电路基准信号。而之所以选用32.768K是因为它是2的15次幂，是因为可以很精确的得到一秒的计时。不仅如此，包括所有的实时时钟晶振一般都是32.768或其倍频。贴片32.768K晶振的负载电容都是12.5PF。常用32.768K晶振的电子产品有智能手机、智能手表、安防和可穿戴设备等等。也还有很多生活类、工业类电子也会常用到这款频率的进口晶振。

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3215mm晶振ECS-.327-12.5-34S-TR9适合无线设备和工业应用

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