BRIGHT LED ELECTRONICS CORP. BS-C345RI 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. Package Dimensions : 6.20(.244) 10 2.54(.100) 12.90(.508) 10.00(.390) 0.50(.020) 9.80(.386) 1.2(.047) 0.90(.035) 6.90(.272) 1. 2. 3. 4. Description : 3.00(.118) MIN. 0.25(.010) 7.5(.295) The BS-C345RI is a 10.00mm (0.39") high single digit seven segments display. Notes: 1. All dimensions are in millimeters(inches). This product use bright red chips, which 2. Tolerance is 0.25mm(.01")unless otherwise are made from GaP on GaP substrate. specified. 3. Specifications are subject to change without This product have a gray face and notice. white segments. This product doesn't contain restriction substance, comply ROHS standard. Internal Circuit Diagram : Ver.1.0 Page 1 of 3 BRIGHT LED ELECTRONICS CORP. BS-C345RI 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 - 650 - nm Spectral Line Half-width IF=10mA - 100 - nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. BS-C345RI 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 0 550 600 650 Fig.2 Forward Current VS. Forward Voltage 40 30 20 10 0 700 Wavelength(nm) Relative Luminous Intensity (@20mA) Forward Current (mA) 50 0 1 2 3 4 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