LA-101VK

LA-101AK Series LED displays High efficiency, single-digit numeric displays LA-101AK Series 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. Dimensions (Unit : mm) 24.0±0.2 10˚ 2.5 25.4 34.0±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. 2.5 14.1 φ3.2 (10.16) Tolerances are ±0.3 unless otherwise noted : Selection guide Emitting color Red Common Anode Cathode LA-101VA LA-101VK LA-101MA LA-101MK Green Pin assignments 10 9 8 7 6 +++++ a f g c b Pin No. 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" e + Pin No. 1 d D.P ++++ 2345 3.5Min. φ0.5 (2.54) 10.5±0.2 Rev.B (30.5) 1/3 LA-101AK Series LED displays Internal circuit schematic (example of common cathode) COM 3,8 abcdefg 7 6 4 2 1 9 10 D.P 5 Absolute maximum ratings (Ta=25°C) Parameter Power dissipation Power dissipation Forward current Peak forward current Reverse voltage Operating temperature Storage temperature ( ) is D.P value Symbol PD PD / seg IF IFP VR Topr Tstg Red Green Unit mW mW mA mA V ˚C ˚C LA-101VA / VK LA-101MA / MK 640 85 (45) 15 60∗ 3 −25 to +75 −30 to +85 640 85 (45) 20 60∗ 3 ∗ Pulse width 1ms duty 1 / 5 Electrical and optical characteristics (Ta=25°C) Parameter Symbol Conditions Elements Min. 2 Forward voltage Reverse current Peak wavelength Spectral line half width Red Typ. Max. Min. 1 ∗1 4.0∗ 5.6 − 2 2 − 2.0∗ 2.8∗ − 650 40 100 − − − − − Green Typ. Max. 1 ∗1 4.2∗ 5.6 2 2.1∗ 2.8∗2 − 563 40 100 − − Unit VF IR IF=10mA VR=3V IF=10mA IF=10mA − − − − − 1 − − − V µA nm nm λP ∆λ Not designed for radiation resistance. The forward voltage and reverse current values are the guaranteed values per element. Luminous intensity Color Red λP 650 Type LA-101VA LA-101VK Min. 3.6 Typ. 10 Max. − − Unit mcd Green 563 LA-101MA LA-101MK 5.6 16 mcd Note : Measured at IF=10mA Rev.B 2/3 LA-101AK Series LED displays Electrical and optical characteristic curves 100 Ta=25°C 10.00 10 Relative Luminous Intensity Forward Current:IF(mA) LA-101MA LA-101MK LA-101VA LA-101VK Ta=25°C 1.00 1 0.10 0.1 1 1.5 2 2.5 3 0.01 1 10 Forward Current:IF(mA) 100 Forward Voltage:VF(V) Fig.1 Forward Current - Forward Voltage Fig.2 Relative Luminous Intensity - Forward Current IF=10mA IF peak Max. Ratio of Maximum Tolerable peak IF Max. Current to Maximum Forward Current 1.6 1.4 Relative Luminous Intensity ) 10 LA-101MA LA-101MK 1.2 1 0.8 0.6 0.4 -25 -15 -5 ( 100kHz 300Hz 100Hz 30kHz 10kHz 5 15 25 35 45 55 65 75 1 1 300kHz 10 100 1000 30Hz 3kHz 1kHz 10000 100000 Case Temparature (°C) Pulse Duration : tw(µs) Fig.3 Relative Luminous Intensity - Case Temperature Fig.4 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( Ι ) IF peak Max. Ratio of Maximum Tolerable peak IF Max. Current to Maximum Forward Current 10 120% ) LA-101VA LA-101VK 500Hz 200Hz 100Hz 50kHz 20kHz 10kHz 100% 80% 60% 40% 20% 0% -25 -15 -5 ( 5kHz 2kHz 1kHz 1 1 10 100 1000 10000 Forward Current (%) 5 15 25 35 45 55 65 75 85 Ambient Temperature(°C) Pulse Duration : tw(µs) Fig.5 Ratio of Maximum Tolerable Peak Current - Pulse Duration ( ΙΙ ) Fig.6 Derating Rev.B 3/3 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 which 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. It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM cannot be held responsible for any damages arising from the use of the products under conditions out of the range of the specifications or due to non-compliance with the NOTES specified in this catalog. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact your nearest sales office. ROHM Customer Support System www.rohm.com Copyright © 2008 ROHM CO.,LTD. THE AMERICAS / EUROPE / ASIA / JAPAN Contact us : webmaster@ rohm.co. jp 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan TEL : +81-75-311-2121 FAX : +81-75-315-0172 Appendix1-Rev2.0