BRIGHT LED ELECTRONICS CORP. BS-C345RD-B SINCE 1981 Features : 1. 0.39 inch (10.00mm) Digit Height. 2. Continuous uniform segments. 3. Low power requirement. 4. Excellent characters appearance. 5. Solid state reliability. 6. Categorized for luminous intensity. 7. Direct drive common cathode. 1. Package Dimensions : Description : The BS-C345RD-B is a 10.00mm (0.39") high single digit 14-segments alphanumeric display. 2. This product use bright red chips, which are made from GaP on GaP substrate. 3. This product have a black face and white segments. 4. This product doesn't contain restriction substance, comply ROHS standard. 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. Internal Circuit Diagram : Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BS-C345RD-B SINCE 1981 Absolute Maximum Ratings(Ta=25) Parameter Symbol Rating Unit Power Dissipation Per Segment Pd 40 mW Forward Current Per Segment IF 15 mA IFP (Duty 1/10, 1KHZ) 50 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 - 2.1 2.5 V Luminous Intensity Per Segment Iv IF=10mA - 1.2 - mcd Reverse Current Per Segment IR VR=5V - - 100 A Peak Wave Length p IF=10mA - 700 - nm Dominant Wave Length d IF=10mA Spectral Line Half-width IF=10mA 650 - 100 nm - nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BS-C345RD-B SINCE 1981 Typical Electro-Optical Characteristics Curves (25 Ambient Temperature Unless Otherwise Noted) Fig.1 Relative Radiant Intensity VS. Wavelength 0.5 0 550 Forward Current (mA) 50 600 650 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 0 1 2 3 4 700 Wavelength(nm) Relative Luminous Intensity (@20mA) Relative Radiant Intensity 1.0 5 Fig.4 Relative Luminous Intensity VS. Forward Current 2.0 1.0 0.0 0 10 20 30 40 Forward Current(mA) 50 800 850 Fig.3 Relative Luminous Intensity VS. Ambient Temperature 3.0 2.5 2.0 1.5 1.0 0.5 0 -40 -20 0 20 40 60 Fig.5 Forward Current Derating Curve VS. Ambient Temperature 25 Forward Current(mA) 3.0 750 Ambient Temperature Ta( C) Forward Voltage (V) Relative Luminous Intensity (@20mA) 20 15 10 5 0 0 20 40 60 80 100 120 Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3