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| BRIGHT LED ELECTRONICS CORP. SINCE 1981 BV-N544RD 1. 2. 3. 4. 5. 6. 7. Features : 0.56 inch (14.10mm) Digit Height. Continuous uniform segments. Low power requirement. Excellent characters appearance. Solid state reliability. Categorized for luminous intensity. Multiplex drive common cathode. Package Dimensions : 8.1(.319) 8 14.1(.555) 19.0(.748) 15.24(.600) PIN 1. 62.5(2.460) 1.6(.063) 8.00(.315) 0.5(.020) 2.54x6=15.24(.600) 3.00(.118)MIN. 1. 2. 3. Description : The BV-N544RD is a 14.10mm (0.56") high five digit seven segments display. This product use hi-eff red chips, which are made from GaAsP on GaP substrate. This product have a black face and white segments. 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. SINCE 1981 BV-N544RD 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 Dominant Wave Length Spectral Line Half-width Symbol Condition Vf Iv IR p d IF=10mA IF=10mA VR=5V IF=10mA IF=10mA IF=10mA Min. - Typ. 1.9 3.5 635 630 45 Max. 2.5 100 - Unit V mcd A nm nm nm Ver.1.0 Page 2 of 3 BRIGHT LED ELECTRONICS CORP. SINCE 1981 BV-N544RD 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 0 560 590 620 650 680 710 740 Wavelength(nm) Fig.3 Relative Luminous Intensity VS. Ambient Temperature Relative Luminous Intensity (@20mA) 0 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 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 20 10 0 2.0 1.0 0.0 Forward Current(mA) 0 10 20 30 40 50 0 20 40 60 80 100 120 Forward Current(mA) Ambient Temperature Ta( C) Ver.1.0 Page 3 of 3 |
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