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Radiant Electronics Limited

40x2 Character LCD Display Module

RD4002A is widely used among 40x2 character LCD displays.

The following color options are most widely ordered:

  • RD4002A-B White on Blue
  • RD4002A-Y Blue on White
  • RD4002A-G Black on Gray  

In addition, a wide range of customized options are available for this model, including:

  • Different Backlight & Color options (Including black color)
  • Different Voltage (3.3V, 5.0V and other customized voltage)
  • Different Interface (Including Serial SPI, I2C interface)
Different Temperature (Including Extended high temperature)


Module size(W x H x D) 182 x 33.5 x 14 mm
Viewing area(W x H) 154.4 x 16.5 mm
Character Size 3.20 x 5.55 mm
Dot Size 0.60 x 0.65 mm
Dot pitch (W x H) 0.65 x 0.70 mm
Interface 8-bit Parallel interface
Driver Condition 1/16 Duty , 1/5 Bias
Driver IC AIP31066
Operating temperature -20 - 70 ℃



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