Product Lines

20 series – Miniature Alarm Clock Module
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miniature clock module

20C-A0J (12h), 20E-A0J(24h)

miniature clock module

Product Descriptions
VOSCA CORPORATION not only provides competitive prices and excellent quality, but also can help customers solve technical problems, improve quality, reduce costs, etc., to help customers improve their competitiveness.

As a professional manufacturer of digital clocks, timers, thermometers, and hygrometers, we can also provide customized modules with special outputs, with specific periodic countdown timers, instruments used to measure or indicate the life of the filter element, etc...
Available in 12-hour and 24-hour versions. It is equipped with two rubber buttons, namely "Set" and "Adjust". Press the "Set" to enter the mode of hour setting, the hour becomes flashing, apply "adjust" to set hour; then press "Set" to enter the mode of minute setting. Minute on the subtitles becomes flashing. Apply the "Adjust" button to set the "minute". Finally press the "Set" button again to return to the normal display mode.

The dimensions are 35 x 18.4 mm with thickness 8.0 mm. Use an alkaline button battery LR44, which is installed on the back of the clock module. If necessary, additional connectors can be used to connect external power.
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  1. Physical Size
    • Plastic Frame - 35 x 18.4 mm
    • Module Thickness - 8.0 mm (including battery)
  2. LCD
    • Screen - 20 x 10.90 mm
    • Number of Digit - 4 digits
    • Digit Height - 7.0 mm
  3. Button: 2 keys
  4. Power Source: 1.50 volts, 1 pc of LR41, included
  5. Electrical Specification
    • Operating Voltage - +1.20 ~ + 1.80 volts
    • Current Drain - 3uA typically
    • Operation Temperature - -10 ~ +50 ℃
    • Storage Temperature - -20 ~ +60 ℃
  • Display hour, and minute
  • Both 12-hour or 24hour versions are available

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