PDF KW4-251 Data sheet ( Hoja de datos )

Número de pieza	KW4-251
Descripción	LED Numeric Display Four Digit
Fabricantes	Lucky Light Electronic
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No Preview Available ! DESCRwIwPwT.IDOaNt :a S h e e t 4 U . c o m The KW4-251 series is 0.25 inch (6.20mm) height four digit display. All devices are available as either common anode or common cathode. KW4-251 SERIES LED Numeric Display Four Digit (0.25") PACKAGE DIMENSIONS 10.0O 3.50 0.80 PIN 1 + 6.00 6.00 36.00 6.00 ABSOLUTE MAXIMUM RATINGS: (Ta=25oC) Parameter Max Reverse Voltage per segment 5V Reverse Current per segment (Vr = 5V) 100µA Derating Linear from 25oC per segment 0.4mA/ oC Operating Temperature Range -40oC To 85oC Storage Temperature Range -40oC To 100oC Soldering Temperature 1.6mm(1/16") from body for 5 sec. at 260oC NOTES : 1. All dimensions are in millimeters (inches). 2. Tolerance is +0.25mm(0.010) unless otherwise specified. 3. Specifications are subject to change without notice. 4. NP: No Pin. 5. NC: No Connect. TESTING CONDITION FOR EACH PARAMETER : Parameter Forward Voltage Peak Emission Wave Length Spectral Line Half-Width Reverse Current Average Luminous Intensity Symbol Vf λρ ∆λ Ir Iv Unit Test Condition V If=20mA nm If=20mA nm If=20mA µA Vr=5V µ cd If=10mA 2.54 x 11 = 27.94 DIG.1 DIG.2 DIG.3 DIG.4 A D1 D4 F G B D2 D3 E C D5 D6 D INTERNAL CIRCUIT DIAGRAM 24 3 5 17 18 DIG.1 DIG.2 D7 L D8 8 16 DIG.3 φ0.50 8.40 10 DIG.4 13 D1 D2 D3 A B C D E F G A B C D E F G D4 D5 A B C D E F G D6 A B C D E F G D7 L D8 23 2 1 15 19 11 4 21 20 22 24 3 DIG.1 76 5 17 18 DIG.2 9 8 16 DIG.3 14 12 10 DIG.4 13 D1 D2 D3 A B C D E F G A B C D E F G D4 D5 A B C D E F G D6 A B C D E F G D7 L D8 23 2 1 15 19 11 4 21 20 22 76 9 14 12 PART NO. SELECTION AND APPLICATION INFORMATION (RATINGS AT 25oC AMBIENT) Part No. KW4-251A5 KW4-251A3 KW4-251AS KW4-251A2 KW4-251AG KW4-251A6 KW4-251C5 KW4-251C3 KW4-251CS KW4-251C2 KW4-251CG KW4-251C6 Chip Raw Material Emitted Color Wave Absolute Maximum Ratings Electro-optical Data(at 10mA) C.C or Length ∆λ Pd If If Vf (V) If Iv (µcd) C.A (Peak) Per Segment (Rec) Per Segment λρ (nm) (nm) (mW) (mA) (mA) Min. Typ. Max. mA Min. Typ. GaP Bright Red 700 90 100 50 100 1.7 2.4 2.8 10-20 300 550 GaAsP/GaP GaAlAs GaP Hi-Eff. Red Super Red Green Common Anode 635 660 565 45 100 50 100 1.7 1.9 2.6 10-20 700 1800 20 100 50 100 1.5 1.9 2.6 10-20 1500 5000 30 100 50 100 1.7 2.2 2.6 10-20 700 1600 GaP Super Green 570 30 100 50 100 1.7 2.2 2.6 10-20 850 1900 GaAsP/GaP Yellow 585 30 100 50 100 1.7 1.9 2.6 10-20 600 1500 GaP Bright Red 700 90 100 50 100 1.7 2.4 2.8 10-20 300 550 GaAsP/GaP Hi-Eff Red 635 45 100 50 100 1.7 1.9 2.6 10-20 700 1800 GaAlAs Super Red Common 660 20 100 50 100 1.5 1.9 2.6 10-20 1500 5000 GaP Green Cathode 565 30 100 50 100 1.7 2.2 2.6 10-20 700 1600 GaP Super Green 570 30 100 50 100 1.7 2.2 2.6 10-20 850 1900 GaAsP/GaP Yellow 585 30 100 50 100 1.7 1.9 2.6 10-20 600 1500 REMARKS : 1. The average luminous intensity is obtained by summing the luminous intensity of each segment and dividing by the total number of segments. 2. Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (International Commission on Illumination) eye-response curve. 3. Clean only by pure water, isopropanol, ethanol, Freon TF (or equivalent). 1 page

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