BRIGHT LED ELECTRONICS CORP. BT-C55DRD SINCE 1981 ● Features : 1. 0.56 inch (14.20mm) Digit Height. 2. Continuous uniform segments. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. ● Package Dimensions : 8 8.0(.314) 19.0(.748) 14.20(.560) 15.24(.600) + PIN.1 12.7x2=25.4(1.000) 1.7(.067) 37.5(1.476) 6. Categorized for luminous intensity. 7. Direct drive common cathode. 8.0(.315) 0.50(.020) ● 1. Description : This product use super red chips, which are made from AlGaAs on GaAs substrate. 3. 5.8±0.5(.228±020) The BT-C55DRD is a 14.20 mm (0.56") high three digit seven segments display. 2. 2.54x13=33.02(1.300) This product have a black face and Notes: 1. All dimensions are in millimeters(inches). 2. Tolerance is ±0.25mm(.01")unless otherwise specified. 3. Specifications are subject to change without notice. white segments. 4. ● This product doesn't contain restriction substance, comply ROHS standard. Internal Circuit Diagram : Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BT-C55DRD SINCE 1981 ● Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Rating Unit Power Dissipation Per Segment Pd 80 mW Forward Current Per Segment IF 30 mA IFP (Duty 1/10, 1KHZ) 150 mA VR 5 V Operating Temperature Topr -40℃~80℃ - Storage Temperature Tstg -40℃~85℃ - Soldering Temperature (1/16" From Body) Tsol 260℃ For 5 Seconds - Peak Forward Current Per Segment Reverse Voltage Per Segment ● Electrical And Optical Characteristics(Ta=25℃) Parameter Symbol Condition Min. Typ. Max. Unit Forward Voltage Per Segment Vf IF=10mA - 1.7 2.5 V Luminous Intensity Per Segment Iv IF=10mA - 7.0 - mcd Reverse Current Per Segment IR VR=5V - - 100 µA Peak Wave Length λp IF=10mA - 660 - nm Dominant Wave Length λd IF=10mA 638 - 648 nm Spectral Line Half-width ∆λ IF=10mA - 20 - nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BT-C55DRD SINCE 1981 Typical Electro-Optical Characteristics Curves (25℃ Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength Relative Radiant Intensity 1.0 0.5 0 570 600 630 660 690 720 750 Wavelength(nm) Fig.2 Forward Current VS. Forward Voltage Relative Luminous Intensity (@20mA) Forward Current (mA) 50 40 30 20 10 0 1 2 3 4 5 Fig.4 Relative Luminous Intensity VS. Forward Current 2.0 1.0 0.0 10 20 30 40 Forward Current(mA) 2.5 2.0 1.5 1.0 0.5 0 -40 50 Forward Current(mA) 3.0 3.0 50 Fig.3 Relative Luminous Intensity VS. Ambient Temperature -20 0 20 40 60 Ambient Temperature Ta( C) Forward Voltage (V) Relative Luminous Intensity (@20mA) ● Fig.5 Forward Current Derating Curve VS. Ambient Temperature 40 30 20 10 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3