●Description and Purpose of Change: Due to continuous declining demand Glass Sealed SMD oscillators worldwide, we can no longer sustain our production lines. The production of the glass sealed oscillator will be terminated and we can support a last time buy until February 12, 2021. The suggested replacement would be the seam weld ceramic package, our ECS-3951M-3953M.

Brand of Product：	ECS
Part#：	ECS-3951C-018-TR 、 ECS-3951C-036-TR 、 ECS-3951C-120-TR 、 ECS-3951C-160-TR 、 ECS-3951C-200-TR 、 ECS-3951C-330-TR 、 ECS-3951C-400-TR 、 ECS-3951C-500-TR 、 ECS-3953C-200-TR 、 ECS-3953C-240-TR 、 ECS-3953C-250-TR 、 ECS-3953C-320-TR 、 ECS-3953C-400-TR 、 ECS-3953C-500-TR 、 ECS-3953C-666-TR 、 ECS-3953C-800-TR 、 ECS-3951C Series 、 ECS-3953C Series 、 ECS-3951M-3953M More Part#
Product Category：	Glass Sealed SMD oscillators More
Application：	More
Data Type：	PCN/EOL More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	January 21, 2021
Version Number：
Data Encoding：	012021-ECS-3951C-3953C
Data Size：	331 KB