Single Digit LED Numeric Display LA-401 D / N Series Datasheet LA-401 D / N series is developed because of the demand for small single digit LED Numeric Display. Materials of emission are GaAsP on GaP, AlGalnP and GaP. This is the height of a letter 10.16mm, single digit LED Numeric Display that is packed by EPOXY resin. Features 1) The height of a letter is 10.16mm. 2) Dimension is 9.613.07.0mm. 3) The package of surface color is black. Color of segment is colored in emitting color. 4) Each color has anode common and cathode common respectively. Dimensions (Unit : mm) Pin assignments Pin No. Function 1Common 2 Segment 3 Segment 4 Segment 5 Segment 6Common 7D.P 8 Segment 9 Segment 10 Segment Internal circuit schematic Selection guide Emitting color Yellow Red Orange (High brightness) Red Green (High brightness) (High brightness) (NRND) Common Anode LA-401VD LA-401AD LA-401ED LA-401XD LA-401MD Cathode LA-401VN LA-401AN LA-401EN LA-401XN LA-401MN www.rohm.com 2004 ROHM Co., Ltd. All rights reserved. 2018.05 - Rev.E 1/5Datasheet LA-401 D / N Series Absolute maximum ratings (T = 25C) a Yellow Red Orange (High brightness) Red Green (High brightness) (High brightness) Parameter Symbol Unit (NRND) LA-401VD / VN LA-401AD / AN LA-401ED / EN LA-401XD / XN LA-401MD / MN Power dissipation P 320 520 520 520 480 mW D P / seg Power dissipation 40 65 65 65 60 mW D I 15 25 25 25 20 mA Forward current F 1 2 2 2 1 I Peak forward current mA FP 60 * 50 * 50 * 50 * 60 * V 5 5 5 5 5 V Reverse voltage R Operating temperature T 25 to 75 C opr Storage temperature T 30 to 85 C stg 1 * Pulse width 1ms, duty 1 / 5 2 * Pulse width 0.1ms, duty 1 / 10 Electrical and optical characteristics (T = 25C) a Yellow Red Orange (High brightness) Red Green (High brightness) (High brightness) Parameter Symbol Conditions Unit (NRND) Typ. Max. Typ. Max. Typ. Max. Typ. Max. Typ. Max. V I =10mA 2.0 2.8 2.05* 2.6* 2.05* 2.6* 2.05* 2.6* 2.1 2.8 V Forward voltage F F I V =3V Reverse current - 100 - 100 - 100 - 100 - 100 A R R Peak wavelength I =10mA 650 - 626*--610* 589* - 563 - nm p F Spectral line halfwidth I =10mA 40 - 18* - 17* - 15* - 40 - nm F Not designed for radiation resistance. * Shows the number on the condition of I =20mA. F www.rohm.com 2004 ROHM Co., Ltd. All rights reserved. 2018.05 - Rev.E 2/5