LA-101AK Series LED displays High efficiency, single-digit numeric displays LA-101AK Series 2.5 14.1 (30.5) 25.4 34.0±0.2 2.5 24.0±0.2 10˚ φ3.2 10.5±0.2 !Features 1) Height of character: 25.4 mm 2) Dimensions: 24 x 34 x 10.5 mm 3) A common anode configuration and a common cathode configuration are available for each color. 4) The package surface is painted black and the segments are colored the display color. 5) High luminance, clear display. !External Dimensions (Units: mm) φ0.5 (2.54) (10.16) 3.5Min. The LA-101AK series are LED numerical displays designed to allow use even in bright locations. The height of the character is 25.4 mm, and two colors are available: red and green. These displays are designed for use in large numerical displays. Tolerances are ±0.3 unless otherwise noted : !Selection guide Emitting color Red Green Anode LA-101VA LA-101MA Cathode LA-101VK LA-101MK Common !Pin assignments 10 9 8 7 6 + + + + + a Pin No. f b g e + Pin No. 1 c d D.P + + + + 2 3 4 5 1 2 3 4 5 6 7 8 9 10 Function Segment "e" Segment "d" Common Segment "c" D.P Segment "b" Segment "a" Common Segment "f" Segment "g" LA-101AK Series LED displays !Internal circuit schematic (example of common cathode) COM 3,8 a b c d e f g 7 6 4 2 1 9 10 D.P 5 !Absolute maximum ratings (Ta=25°C) Parameter Red Symbol Green Unit LA-101VA / VK LA-101MA / MK Power dissipation PD 640 640 mW Power dissipation PD / seg 85 (45) 85 (45) mW Forward current IF Peak forward current IFP 15 60∗ 20 60∗ mA VR 6 (3) Reverse voltage mA 6 (3) V Operating temperature Topr −25∼+75 ˚C Storage temperature Tstg −30∼+85 ˚C ∗ Pulse width 1ms duty 1 / 5 ( ) is D.P value !Electrical and optical characteristics (Ta=25°C) Parameter Red Symbol Conditions Min. VF Forward voltage IF=10mA − Green Typ. Max. Min. 2.0 2.8 − Typ. Max. 2.1 2.8 Unit V Reverse current IR VR=3V − − 100 − − 100 µA Peak wavelength λP IF=10mA − 650 − − 563 − nm Spectral line half width ∆λ IF=10mA − 40 − − 40 − nm Not designed for radiation resistance. The forward voltage and reverse current values are the guaranteed values per element. !Luminous intensity λP Color Red 650 Type LA-101VA Min. Typ. Max. Unit 3.6 10 − mcd 5.6 16 − mcd LA-101VK Green 563 LA-101MA LA-101MK Note : Measured at IF=10mA