https://www.yxcxtal.com/product-list/hc-49unit.html
HC-49 Series | DIP and SMD Crystals | YXC
HC-49 series is a highly reliable metal package with resistance. It is weld sealed and has a Lead-free compliance.
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https://www.epoch-electronic.com/quartz-crystals-resonators
32.768khz Smd Crystals | Rtc Tuning Fork | Epson Replacement| Rtc Tuning Fork | Epson Replacement
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