BQ-M28DRD

BRIGHT LED ELECTRONICS CORP. SINCE 1981 BQ-M28DRD ● 1. 2. 3. 4. 5. 6. 7. Features : 0.28 inch (7.00mm) Digit Height. Continuous uniform segments. Low power requirement. Excellent characters appearance. ● Package Dimensions : 4.5(.177) 10 7.0(.275) 10.0(.394) 8.0(.315) PIN 1. 32.1(1.63) 1 .0(.039) MARK Solid state reliability. Categorized for luminous intensity. Multiplex drive common anode. 0.50(.020) XXXXX 5 .8(.228) 6.7±0.5(.263±020) 2.54x5=12.70(.500) ● 1. Description : The BQ-M28DRD is a 7.00mm (0.28") Notes: 1. All dimensions are in millimeters(inches). high four digit seven segments display. 2. Tolerance is ±0.25mm(.01")unless otherwise 2. This product use super red chips, which specified. are made from AlGaAs on GaAs substrate. 3. Specifications are subject to change without notice. 3. This product have a black face and white segments. 4. This product doesn't contain restriction substance, comply ROHS standard. ● Internal Circuit Diagram : 佰鴻工業股份有限公司 http://www.brtled.com Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BQ-M28DRD ● Absolute Maximum Ratings(Ta=25℃) Parameter Power Dissipation Per Segment Forward Current Per Segment Peak Forward Current Per Segment Reverse Voltage Per Segment Operating Temperature Storage Temperature Soldering Temperature (1/16" From Body) Symbol Pd IF IFP (Duty 1/10, 1KHZ) VR Topr Tstg Tsol Rating 80 30 150 5 -40℃~80℃ -40℃~85℃ 260℃ For 5 Seconds Unit mW mA mA V - ● Electrical And Optical Characteristics(Ta=25℃) Parameter Forward Voltage Per Segment Luminous Intensity Per Segment Reverse Current Per Segment Peak Wave Length Symbol Condition Vf Iv IR IF=10mA IF=10mA VR=5V Min. - Typ. 1.7 5.5 - Max. 2.5 - Unit V mcd µA nm nm nm Dominant Wave Length 佰鴻工業股份有限公司 http://www.brtled.com λp IF=10mA 660 λd IF=10mA 638 ∆λ IF=10mA 20 - 100 648 Spectral Line Half-width Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BQ-M28DRD ● Typical Electro-Optical Characteristics Curves (25℃ Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength 1.0 Relative Radiant Intensity 0.5 0 570 600 630 Wavelength(nm) 660 690 720 750 Relative Luminous Intensity (@20mA) 1 2 3 4 5 50 Fig.2 Forward Current VS. Forward Voltage 3.0 2.5 2.0 1.5 1.0 0.5 Fig.3 Relative Luminous Intensity VS. Ambient Temperature Forward Current (mA) 40 30 20 10 0 Forward Voltage (V) Fig.4 Relative Luminous Intensity VS. Forward Current 0 -40 Ambient Temperature Ta( C) Fig.5 Forward Current Derating Curve VS. Ambient Temperature -20 0 20 40 60 Relative Luminous Intensity (@20mA) 3.0 50 40 30 2.0 Forward Current(mA) 1.0 佰鴻工業股份有限公司 http://www.brtled.com 20 10 0 10 20 30 40 50 20 40 60 80 100 120 0.0 Forward Current(mA) Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3