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51 Series – OEM & ODM chronometer & countdown timer with LED backlight

VOSCA Corporation has earned a reputation to support the 51 Series – OEM & ODM chronometer & countdown timer with LED backlight we sell with the best technical support and customer service in the electronic supplies industry. Moreover, we have devoted ourselves to serve the clients with our durability, fair price and strong efficiency of 51 Series – OEM & ODM chronometer & countdown timer with LED backlight. Please contact our sales office in Taiwan to discuss the suitability of Timer Module for your applications or email us for more information.
  • LCD screen size 49.4 x 22.3 mm
  • Good for models with external power and buttons connection; the connection pins at both edges of PCB
  • Output poles can be arranged at both edges of PCB;
  • 3 tact switches normally, can be up to 6 buttons
  • Thickness 1 mm higher than 50 series, good for LED backlight installation

51T-A0H-HM

99 hour 59 minutes Countdown/Up Timer Module with LED Back-light

This is a 99 hours 59 minutes countdown/up timer, with 1 second resolution, and one minute minimum setting interval. Due to the available of count up feature, it can be used as a chronometer.

As well as amber color, yellow, green, and white colors are available for the back-light too. 2 pieces of AAA (UM4) battery holder is mounted on the back for testing purpose only. Due to LED consuming power to high, suggest to connect power source externally. Requested power is 3.3 VDC. Audible or pulse output poles are available. This is an ideal module for full function evaluation.

Audible endless alert method is so called PSEA (Power Saving Endless Alert ): Beep 6 times, then wait for 10 seconds, and repeat again. Never stop alert, unless "STOP" button is depressed.

The module also provides open collector output pole to allow people use it to control other power operated device.

Versions with other maximum countdown capacities:
  • 51T-A0H-MS: 99M59S
  • 51T-A0H-HM: 99H59M
  • 51T-A0H-DH: 99D23H
  • 51T-A0H-DD : 9999D

51T-A0H-DH

99 Days 23 Hours Countdown/Up Timer Module with LED Back-light

As a professional digital clock, timer, thermometer, and hygrometer supplier, we can also offer customized modules with special control pole, timers with constant period to countdown, meters to measure or indicate lifespan of filter, cartridge, and etc.

Welcome OEM / ODM partners for cooperation.

This module has 99 days 23 hours countdown capability, with 1 second resolution, and one hour minimum setting interval. Count up feature is included too. Therefore it can be used as a chronometer to count up to 9999 days.

Back-light in amber color. Yellow, green, and white colors are available too upon request. 2 pieces of AAA (UM4) battery holder is mounted on the back for testing purpose only. Due to LED consuming power to high, suggest to connect power source externally. Requested power is 3.3 VDC. Audible or pulse output poles are available. This is an ideal module for full function evaluation.

Audible alert method so called PSEA (Power Saving Endless Alert ): Beep 6 times, then wait for 10 seconds, and repeat again. Never stop alert, unless "STOP" button is depressed.

This module also provides an open collector output pole to allow people use it to control other power operated device.


VOSCA Corporation is a customer-oriented firm dedicated to delivering the finest quality and reasonable price, such as 51 Series – OEM & ODM chronometer & countdown timer with LED backlight to our customers. We engage to develop enduring relationships with our customers by providing innovative 51 Series – OEM & ODM chronometer & countdown timer with LED backlight products supported by the best customer service in the industry. If you have any questions, want to buy in bulk, or have us give you a quote for a 51 Series – OEM & ODM chronometer & countdown timer with LED backlight to fit your needs, please email to us.
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