Swiss Ultra-Low Power RTC & Quartz Devices
Micro Crystal AG, part of the Swiss Swatch Group, specializes in ultra-low power real-time clock (RTC) modules and quartz crystal devices. Its RTC modules integrate a tuned crystal and are renowned for nA-level current consumption — widely used for timekeeping in wearables, smart meters, IoT, and medical devices.
Official WebsiteThe RV-3028-C7 is one of the industry's most power-efficient RTC modules, drawing typically just ~45 nA. It integrates a tuned crystal, offers an I²C interface, and includes alarm, timer, and event logging — ideal for coin-cell powered wearables, meters, and IoT applications needing long battery life.
The RV-8263-C7 is a low-power I²C RTC module with an integrated 32.768 kHz crystal, offering alarm, countdown timer, and clock output (CLKOUT). Its compact package suits consumer electronics, appliances, and industrial timekeeping.
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