BRIGHT LED ELECTRONICS CORP. BC-A25633A-2 SINCE 1981 Features : 1. 2.50 inch (63.40mm) Digit Height. 2. Continuous uniform segments. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. 6. Direct drive common anode. Package Dimensions : 10.80(.425) 205.0(8.071) 74.0(2.913) 63.4(2.50) 67.3(2.650) +-------+ 2.54x36=91.44(3.600) 217.0(8.543) FILM+0.5 (.020) -0 Notes: 1. All dimensions are in millimeters(inches). Description : 2. Tolerance is 0.25mm(.01")unless otherwise 1. The BC-A25633A-2 is a 63.4mm(2.50") specified. high four digit seven segments clock display. 3. Specifications are subject to change without notice. 2. This product use super red chips, which are made from GaAlAs on GaAs substrate 3. Affix red film on surface. Internal Circuit Diagram : Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BC-A25633A-2 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 - 9.0 - mcd Reverse Current Per Segment IR VR=5V - - 100 A Peak Wave Length p IF=10mA - 660 - nm Dominant Wave Length d IF=10mA - 643 - nm Spectral Line Half-width IF=10mA - 20 - nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BC-A25633A-2 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 0 540 570 600 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 630 Wavelength(nm) Relative Luminous Intensity (@20mA) Forward Current (mA) 50 1 2 3 4 5 Fig.4 Relative Luminous Intensity VS. Forward Current 1.5 1.0 0.5 0 10 20 30 40 Forward Current(mA) 3.0 50 690 720 Fig.3 Relative Luminous Intensity VS. Ambient Temperature 2.5 2.0 1.5 1.0 0.5 0 -40 50 Forward Current(mA) 2.0 660 -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