HDSP-303G

Display Type:	7-Segment
Package / Case:	10-DIP (0.300", 7.62mm)
Power Dissipation (Max):	105mW
Wavelength - Peak:	568nm
Millicandela Rating:	2.8mcd
Current - Test:	20mA
Voltage - Forward (Vf) (Typ):	2.25V
Color:	Green
Common Pin:	Common Cathode
Series:	--
Digit/Alpha Size:	0.40" (10.16mm)
Size / Dimension:	0.504" H x 0.382" W x 0.276" D (12.80mm x 9.70mm x 7.00mm)
Number of Characters:	1
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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HDSP-303G Application Field and Working Principle

HDSP-303G is an LED display module that falls under the Display Modules - LED Character and Numeric category. The main purpose of this module is to provide an efficient, highly visible display of digital values. The HDSP-303G is ideal for use in analog-to-digital converters, automatic measuring systems, networking systems, and other applications which require a constant display of up-to-date information.

HDSP-303G Features

The HDSP-303G module offers a wide range of features due to its extensive range of attributes. Its excellent heat resistive properties allow for a long-term dependable service life. It has a wide operating temperature range, from minus 40 to plus 80 degrees Celsius. This display module has an operating voltage of 6 to 18VDC and power consumption of typically 0.175W.The HDSP-303G module comes with an optional panel-mounting plate and a printed circuit board. The plate allows the module to be tamper proof, providing increased security. It has a viewing area of 84.0mm (H) x 46.0mm (V), and a LED dot size of 4.0mm x 401.9mm. The LED display has a gray-scale image and is illuminated by five different LED colors -- red, yellow, green, orange, and blue.

HDSP-303G Working Principle

The HDSP-303G uses an embedded microcontroller to control the display. This embedded microcontroller is connected to the LED module by 8-bit parallel data lines and an 8-bit control line. The microcontroller can be programmed to output a variety of patterns on the display, such as numbers, characters, symbols, and graphics.The 8-bit parallel data lines are used to input data to the microcontroller which is then converted into electrical pulses. These electrical pulses are then used to light up the LEDs in the display. The 8-bit control line is used to control the brightness of the display and to send control signals to the microcontroller.The HDSP-303G also has a number of special functions, such as power-off delay, soft-start, auto-light-off, auto-light-switchover, etc. These functions help extend the life of the display module by providing protection against short-term line voltage spikes, helping to reduce power consumption, and delaying the power-off to provide a longer life for the LEDs.

Conclusion

The HDSP-303G is an efficient, highly visible LED display module that is ideal for a variety of applications including analog-to-digital converters, automatic measuring systems, and networking systems. It is equipped with features such as an embedded microcontroller, 8-bit parallel data lines, and 8-bit control line. The module also offers a number of special functions, such as power-off delay, auto-light-off, and auto-light-switchover, which help to extend its life.

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