QBQ28Y0

Series:	QBQ28xxz
Part Status:	Active
Lead Free Status / RoHS Status:	--
Number of Characters:	4
Size / Dimension:	1.264" L x 0.394" W x 0.228" H (32.10mm x 10.00mm x 5.80mm)
Digit/Alpha Size:	0.28" (7.00mm)
Display Type:	7-Segment
Common Pin:	Common Anode
Color:	Yellow
Voltage - Forward (Vf) (Typ):	2V
Current - Test:	20mA
Millicandela Rating:	40mcd
Wavelength - Peak:	590nm
Power Dissipation (Max):	70mW
Package / Case:	12-DIP (0.300", 7.62mm)

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IntroductionThe QBQ28Y0 is a discrete display unit from Conexant Systems. This module combines the best of both characters and numbers in one compact and efficient package. This LED character and numeric display module is used in a variety of fields, from medical devices to industrial control systems. The QBQ28Y0 provides a cost effective solution for character and numeric display requirements that are easy to program and configure.ApplicationsThe QBQ28Y0 is designed for a variety of display purposes. It is most useful when displaying text on small spaces, such as in medical devices, control systems, and industrial automation. The module is also ideal for kiosks and signage, where bright, clear displays are needed. Additionally, the module is widely used in transportation networks such as aircraft and rail, providing real-time information to passengers.Design and FeaturesThe QBQ28Y0 consists of 14 individual characters, plus two decimal points. The characters are provided as 5 × 8 pixel modules with a white/gray font color and a 20 million hour LED life rating. The module offers a wide viewing angle, making it ideal for small spaces. The module can be programmed with custom content display messages or images for maximum flexibility. The module also features a light filter for improved contrast and readability.Working PrincipleThe QBQ28Y0 works by utilizing a Conexant Systems driver IC to facilitate communication between the module and a host device. The device driver supports a four-wire communication system, which allows for programming, configuration, and control of the display module. The module is powered by external 5V power, and provides a multiplexed output to the user, controlling the individual characters and their brightness.ConclusionThe QBQ28Y0 is a versatile, cost-effective character and numeric display module from Conexant Systems. It features a wide viewing angle, long LED life, and high contrast display. The module is used in a variety of fields, such as medical devices, industrial control systems, and transportation networks. The module works by utilizing a driver IC which facilitates string communication between the module and a host device. The QBQ28Y0 is an ideal choice for displaying text, images, or real-time information on small spaces.

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