Need a replacement for the MC-306? (Epson’s EOL notice)
Fortunately, Suntsu has the perfect solution: SWS834. The SWS834 is an equivalent product to Epson’s. Featuring 32.768kHz, and the same dimension and electrical parameters as the MC-306, the SWS834 is an easy drop-in replacement. Even better, Suntsu can provide short lead times and competitive prices!
Some of their key features are listed below.
SUNTSU SWS834
SWS834 Series Key Features
• Frequency of 32.768kHz
• Package size of 8.0×3.8mm
• Frequency tolerance of ±10ppm or ±20ppm
• Equivalent series resistance of 50kΩ
• Operating temperature range from -40°C to 85°C
SWS834 Series Applications
• Real Time Clocks
• Measurement Instruments
• Wireless Applications
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Our Director of Engineering, KH Mun, explains – “The great benefit of SWS834 is that customers are able to use it without changing the footprint on PCB.”
Update: The MC-306 completed its Epson end-of-life transition years ago. The SWS834 remains available as a same-footprint 32.768kHz drop-in; contact us for current availability and equivalents.
References
[1] Epson. “EOL Notice of MC-306 32.7680KB-T” Available at: https://suntsu.com/wp-content/uploads/2021/01/20_01EAI_MC-306_32_7680KB-T_EOL-notice_01082020.pdf
[2] Epson. “Epson Crystal-Unit Page” Available at: https://www5.epsondevice.com/en/products/crystal_unit/