l material conforms to ul94 v -o flammability ratings l independent addressability enhances drive circuit options for tri-colour st atus indication l reverse polarity options available l customised lead lengths available l product illustrated 151-535-04 l t ypically available ex stock pcb mounting leds - ? 5mm ordering information & t ypical t echnical characteristics (t a = 25c) mean t ime between failure up to = 100,000 hours. luminous intensity figures refer to the unmodified discrete led. fea tures specifica tions 151 series p ack quantity = 100 pieces p ar t number colour lens vol t age current luminous w a ve opera ting st orage dc dc intensity length temp temp v opr lopr lv@20ma l p t opr t stg 151-535-04 red/green white dif fused 2.0/2.2 20 60/50 627/565 -40 ~ +85^ -40 ~ +85 yes units vdc ma mcd nm 0 c 0 c st andard intensity samples a v ailable ? marl interna tional l td 2007 : ds 071/07 issue 2 page 1 of 3 how to order: website: www .marl.co.uk ? email: sales@marl.co.uk ? ? t elephone +44 (0)1229 582430 ? fax: +44 (0)1229 585155 the information cont ained in this dat asheet does not constitute p art of any order or contract and should not be regarded as a represent ation relating to either product s or service. marl international reserve the right to alter without notice the specification or any conditions of supply for product s or service. * = v olt age dc for 20ma product is vf@20ma, not v opr 535 & 538 ^ = product s must be derated according to the derating information. each derating graph refers to specific leds.
151 series dimensions in mm (t ypical) not to scale samples a v ailable ? marl interna tional l td 2007 : ds 071/07 issue 2 page 2 of 3 how to order: website: www .marl.co.uk ? email: sales@marl.co.uk ? ? t elephone +44 (0)1229 582430 ? fax: +44 (0)1229 585155 the information cont ained in this dat asheet does not constitute p art of any order or contract and should not be regarded as a represent ation relating to either product s or service. marl international reserve the right to alter without notice the specification or any conditions of supply for product s or service. housing material polycarbonatethis material of fers ul94 v -0 flame ret ardancy* and a high imp act strength. this material has a melt point of 290-340c and is suit able for use in the majority of automatic soldering processes.*material test thickness 1.6mm leds led polarity anode identification is shown in the dimensional diagram. the long lead of a non-cropped unit can also be used to help identify the anode. for the 2 pin bi-colour unit s the st andard colour configuration is red anode to the ?+? sign. reverse polarity this is of fered on all pcb unit s, with the exception of the 125 series, if requested to help overcome the problem of systems with reverse polarity connections. multiple unit s can also be supplied in reverse polarity but not with mixed polarities. the 2 pin and 3 pin bi-colours can be supplied in reverse colour configuration.lead cropping should lead cropping be required marl of fer two st andard lengths, either by request or by adding one of the following codes to the end of the p art number:- -24 = 3mm -26 = 5mm (e.g 151-535-04-26) other non-st andard lead lengths are available on request. electro-st atic discharge (esd) build up of electrost atic discharge occurs in many situations involving people moving and handling product s. the range of possible situations is very diverse but volt age levels as high as several thousand volt s can and do arise in many individual situations. when an operator charged up to these levels handles a ?st atic sensitive device?, there is a very probable likelihood that the device will be irreversibly damaged. it is essential that precautions are t aken at all st ages during manufacture and assembly of these product s. although leds were never considered to be st atic sensi - tive devices, changes in manufacturing technology and materials used to produce higher intensityproduct s over a large range of the wavelength spectrum have changed this. marl has an approved system of esd control from goods in, through production and into final p acking and desp atch. w e recommend all users of led based product s follow the guidelines of bs 100015. note: all luminous intensity figures refer to the unmodified discrete led. bs en iso 9001:2000 approved manufacturer
also a v ailable samples a v ailable ? marl interna tional l td 2007 : ds 071/07 issue 2 page 3 of 3 how to order: website: www .marl.co.uk ? email: sales@marl.co.uk ? ? t elephone +44 (0)1229 582430 ? fax: +44 (0)1229 585155 the information cont ained in this dat asheet does not constitute p art of any order or contract and should not be regarded as a represent ation relating to either product s or service. marl international reserve the right to alter without notice the specification or any conditions of supply for product s or service. p ar t no. colour vol t age dc (vdc) v opr 151-535-01 t ri-colour 2ma 151-535-13 t ri-colour 20ma rp units vdc part numbers also available in the 151 series: bs en iso 9001:2000 approved manufacturer the product s listed above illustrate all of the options available to order . these product s may have custom modifications that alter their operation beyond the generic information cont ained within this dat asheet. please cont act sales for further information.
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