LA-101AK Series LED displays High efficiency, single-digit numeric displays LA-101AK Series zExternal Dimensions (Unit : mm) 24.0±0.2 10˚ 2.5 14.1 (30.5) 10.5±0.2 φ3.2 φ0.5 (2.54) (10.16) 3.5Min. zFeatures 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. 25.4 34.0±0.2 2.5 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 : zSelection guide Emitting color Red Green Anode LA-101VA LA-101MA Cathode LA-101VK LA-101MK Common zPin 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" Rev.A 1/2 LA-101AK Series LED displays zInternal 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 zAbsolute 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 20 60∗ mA 3 Peak forward current IFP 15 60∗ Reverse voltage VR 3 mA V Operating temperature Topr −25 to +75 ˚C Storage temperature Tstg −30 to +85 ˚C ∗ Pulse width 1ms duty 1 / 5 ( ) is D.P value zElectrical and optical characteristics (Ta=25°C) Parameter Red Symbol Conditions Elements Min. VF Forward voltage IF=10mA 2 − 1 − Green Typ. Max. Min. 1 ∗1 4.0∗ 5.6 − 2 2 − 2.0∗ 2.8∗ Typ. Max. 1 ∗1 4.2∗ 5.6 2 2.1∗ 2.8∗2 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. zLuminous 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 Rev.A 2/2 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.1