1 opyright ? 2010, everlight americas inc. all rights reserved. release date : may 29, 2014 issue no : ddf-0001781. rev.2 www.everlight americas.com display through-hole EADCS224RA2 features ? industrial standard size. ? low power consumption. ? categorized for luminous intensity. ? pb free and rohs compliant. description ? the EADCS224RA2 is a 57.0mm (2.24?) digit height seven-segment display. ? the display provides excellent reliability in bri ght ambient light. ? the device is made with white segments and gray s urface. applications ? home appliances ? instrument panels ? digital readout displays
datasheet display through-hole EADCS224RA2 2 opyright ? 2010, everlight americas inc. all rights reserved. release date : may 29, 2014 issue no : ddf-0001781. rev.2 www.everlight americas.com device selection guide chip materials emitted color resin color algainp brilliant red white diffusion absolute maximum rat ings (ta=25 ) parameter symbol rating unit reverse voltage v r 5 v forward current i f 25 ma peak forward current (duty 1/10 @1khz) i fp 60 ma power dissipation(per chip) pd 60 mw operating temperature t opr -40 ~ +85 storage temperature t stg -40 ~ +100 soldering temperature (soldering time Q 5 seconds) t sol 260 electro -optical characteristics (ta=25 ) parameter symbol min. typ. max. unit condition luminous intensity *1 iv 15.0 34.0 ----- mcd i f =10ma peak wavelength p ----- 632 ----- nm i f =20ma dominant wavelength d ----- 624 ----- nm i f =20ma spectrum radiation bandwidth ? ----- 20 ----- nm i f =20ma forward voltage(per chip) v f ----- 2.0 2.4 v i f =20ma reverse current i r ----- ----- 100 a v r =5v note: 1. luminous intensity is a average value which is m easured one 7-segment. 2. tolerance of luminous intensity: 10 3. tolerance of forward voltage: 0.1v
datasheet display through-hole EADCS224RA2 3 opyright ? 2010, everlight americas inc. all rights reserved. release date : may 29, 2014 issue no : ddf-0001781. rev.2 www.everlight americas.com typical electro-optical characteristics curves spectrum distribution (ta=25 ) forward current vs. forward voltage (ta=25 ) (per chip) relative luminous intensity ( ) forward current (ma) wavelength p (nm) forward voltage (v) forward current derating curve forward current (ma) 0 10 0 20 30 40 50 40 20 60 100 85 25 ambient temperature (c )
datasheet display through-hole EADCS224RA2 4 opyright ? 2010, everlight americas inc. all rights reserved. release date : may 29, 2014 issue no : ddf-0001781. rev.2 www.everlight americas.com package dimension & internal circuit diagram note: tolerances unless mentioned 0.25mm. unit = m m
datasheet display through-hole EADCS224RA2 5 opyright ? 2010, everlight americas inc. all rights reserved. release date : may 29, 2014 issue no : ddf-0001781. rev.2 www.everlight americas.com packing materials label explanation ? cpn: customer?s product number ? p/n: product number ? qty: packing quantity ? cat: luminous intensity rank ? hue: reference ? ref: reference ? lot no: lot number ? reference: volume label code packing process 10 pcs/tube 10 tubes/box 4 boxes/carton
datasheet display through-hole EADCS224RA2 6 opyright ? 2010, everlight americas inc. all rights reserved. release date : may 29, 2014 issue no : ddf-0001781. rev.2 www.everlight americas.com application restrictions 1. specification described in this document. above specification may be changed without notice. everli ght americas will reserve authority on material change for abov e specification. 2. when using this product, please observe the abso lute maximum ratings and the instructions for using outlined in these specification sheets. everlight americas assumes no responsibility for any damage resulting from use of the product which does not comply with the absolute maximum ratings and the instructions included in t hese specification sheets. 3. these specification sheets include materials pro tected under copyright of everlight americas corporation. please don?t reproduce or cause anyone to reproduce them without everlight americas ? consent. 4. esd (electrostatic discharge) the products are sensitive to static electricity o r surge voltage. esd can damage a die and its relia bility. when handling the products, the following measures against electrostatic discharge are strongly recommended: eliminating the charge grounded wrist strap, esd footwear, clothes, and fl oors grounded workstation equipment and tools esd table/shelf mat made of conductive materials proper grounding is required for all devices, equi pment, and machinery used in product assembly. surge protection should be considered when designin g of commercial products. if tools or equipment contain insulating materials such as glass or plastic, the following measures against electrostatic discha rge are strongly recommended: dissipating static charge with conductive materials preventing charge generation with moisture neutralizing the charge with ionizers 5. the leds should be operated with forward bias. the driving circuit must be designed so that the leds a re not subjected to forward or reverse voltage while it is off. if reverse voltage is continuously applied to the leds, it may cause migration resulting in led damage.
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