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specifications for nichia luminous flux green standard led model : nlhg01s02 nichia corporation nichia sts-da1-0567
-1- 1. features green led in a metal can package designed and developed for luminous flux calibration. uniform directivity (luminous intensity and color) suitable for calibration. excellent accuracy and reproducibility by using a unique temperature stabilization system. great versatility in actual use simplifies location adjustment when measuring. 2. application calibration for luminous flux measuring instrument. 3.specifications (1) absolute maximum ratings (ta=25c) item symbol absolute maximum rating unit forward current i f 30 ma allowable reverse current i r 50 ma operating temperature t opr 20 ~ 30 c storage temperature t stg 0 ~ 40 c platinum resistance temperature device (rtd) current i pt 2 ma platinum rtd temperature t pt 30 ~ 35 c peltier device current i pel -1 ~ 1 a peltier device voltage v pel 2.6 v (2) initial electrical/optical characteristics (ta=25c, platinum rtd temp. tpt=30c) item symbol condition min. typ. max. unit forward voltage v f i f =20[ma] - 2.9 3.5 v luminous flux v i f =20[ma] - 0.9 lm x i f =20[ma] - 0.19 - chromaticity coordinate y i f =20[ma] - 0.71 - please refer to cie 1931 chromaticity diagram. measured when the led is inserted into a socket. measured after aging (conditions: ta = 25c, i f = 20 ma, 200 hours) (3) lumen maintenance remain in the rage of 3% from the initial value. after 100 hours of use. ta = 25c, led drive current i f = 20 ma ( 0.1%), platinum rtd temp. tpt = 30c ( 0.03c) 4.typical initial optical/electrical characteristics, directivity please refer to ?typ.characteristics ? and ?directivity? on the following pages. 5. product construction please refer to ?product construction? on the following page. nichia sts-da1-0567
-2- 6.outline dimensions please refer to ?outline dimensions? on the following page. 7.product identification please refer to ?product identification? on the following page. 8.internal circuit please refer to ? internal circuit ? on the following page. 9.packing please refer to ?packing? on the following page. 10.directions of use (1) connecting the following figure shows how the luminous flux standard led is connected. recommended specifications for the peripheral equipments temperature controller pid controller. temperature measurement accuracy of 0.03c. constant current power supply for led drive drive current accuracy: 0.1% of the set current digital multimeter (vf measurements) input impedance: 1 g ? please refer to ?internal circuit?on the following page for circuit wiring. constant current power supply for led drive standard led temperature controller digital multimeter (vf measurements) constant current power supply for led drive standard led temperature controller digital multimeter (vf measurements) nichia sts-da1-0567
-3- (2) installation the following figure shows the luminous flux standard led should be held by a holder. the measurement distance shall start from the top surface of the led. please refer to ?outline dimensions? on the following page. (3) measurement the standard led should be measured when the luminous flux has stabilized after the start of temperature control and constant current drive. typically, the standard led will be stable and ready to be used for calibration within 1 to 3 minutes. please refer to ?typ.characteristics ? on the following page for the characteristics during the first 5 minutes after the led starts emission. 11.cautions (1) storage this product should be kept at 30c or less and 70%rh or less. when storing, moisture proof packaging with absorbent material (silica gel) is recommended. please avoid rapid transitions in ambient temperature, especially in high humidity environments where condensation can occur. (2) static electricity static electricity or surge voltage damages the leds. it is recommended that a wrist band or an anti-electrostatic glove be used when handling the leds. all devices, equipment and machinery must be properly grounded. it is recommended that precautions be taken against surge voltage to the equipment that mounts the leds. when inspecting the final products in which leds were assembled, it is recommended to check whether the assembled leds are damaged by static electricity or not. it is easy to find static-damaged leds by a light-on test or a vf test at a lower current (below 1ma is recommended). damaged leds will show some unusual characteristics such as the forward voltage becomes lower, or the leds do not light at the low current. criteria : (v f > 2.0v at i f =0.5ma) example 1: (held by the part with 25mm diameter) example 2: (held by the part with 20mm diameter) a holde r a holde r nichia sts-da1-0567
-4- (3) safety guideline for human eyes the international electrical commission (iec) published in 2006 iec 62471: 2006 photobiological safety of lamps and lamp systems which includes leds within its scope. meanwhile leds were removed from the scope of the iec 60825-1:2007 laser safety standard, the 2001 edition of which included led sources within its scope. however, keep in mind that some countries and regions have adopted standards based on the iec laser safety standard iec 60825-1:2001 which includes leds within its scope. following iec 62471:2006, most of nichia leds can be classified as belonging to either exempt group or risk group 1. optical characteristics of a led such as output power, spectrum and light distribution are factors that affect the risk gr oup determination of the led. especially a high-power led, that emits light containing bl ue wavelengths, may be in risk group 2. great care should be taken when viewing directly the led driven at high current or the led with optical instruments, which may greatly increase the hazard to your eyes. (4) others flashing lights have been known to cause discomfort in people; you can prevent this by taking precautions during use. also, people should be cautious when using equipment that has had leds incorporated into it. this product is designed to be used for calibration. do not use this product for any other purposes or other applications. user shall not reverse engineer by disassembling or analysis of the leds without having prior written consent from nichia. when defective leds are found, the user shall inform nichia directly before disassembling or analysis. the formal specifications must be excha nged and signed by both parties before purchase. the appearance and specifications of the product may be modified for improvement without notice. nichia sts-da1-0567
n n l l h h g g 0 0 1 1 s s 0 0 2 2 s s t t s s - - d d a a 5 5 - - 0 0 0 0 0 0 8 8 ta=30 ta=25 ta=20 -0.002 -0.001 0 0.001 0.002 0.003 0.004 0 100 200 300 time (s) relative forward voltage vf (v) -0.003 -0.002 -0.001 0 0.001 0.002 0.003 0 100 200 300 time (s) relative chromaticity coordinate x 0 0.2 0.4 0.6 0.8 1 1.2 300 400 500 600 700 800 wavelength (nm) relative emission intensity (a.u.) -0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0 100 200 300 time (s) relative luminous flux (%) -0.003 -0.002 -0.001 0 0.001 0.002 0.003 0 100 200 300 time (s) relative chromaticity coordinate y time vs. relative forward voltage time vs. relative chromaticity coordinate x spectrum time vs. relative luminous flux time vs. relative chromaticity coordinate y (?1) ??????y????30??????`????(if=20ma ) (?2) ???``???0.03?(``?) (?3) ?rg?R??rg??rg?x? ?rg?y??ta=25300s????? (note 1) the g ra p hs show the characteristics when the p latinum rtd incor p orated in the standard led is controlled to be 300.03 ( if=20ma ) . (note 2) stability of temperature controller is 0.03 . (manufacturer specification value) (note 3) except for spectrum, the graphs show the data relative to the point (after an operation time of 300 seconds at ta = 25 ). -5- nichia sts-da1-0567
n n l l h h g g 0 0 1 1 s s 0 0 2 2 s s t t s s - - d d a a 5 5 - - 0 0 0 0 0 0 8 8 00.51 0 0.5 1 -90 -60 -30 0 radiation angle relative luminosity (a.u.) -0.05 0 0.05 -90 -60 -30 0 30 60 90 radiation angle relative chromaticity coordinate 0 10 20 30 40 50 60 70 80 90 directivity x y (? 1) ??????y????30??????`????ifp=20m ata=25 (? 2) ???``? ??0.03?(``?) (note 1) the g ra p hs show the characteristics when the p l a ti n um rt d in cor p orated in the standard led is controlled to be 300.03 . ( if p =20ma, ta=25 ) (note 2) stabilit y of tem p erature controller is 0.03 . (manufacturer specification value) -6- nichia sts-da1-0567
n n l l h h x x 0 0 1 1 s s 0 0 2 2 s s t t s s - - d d a a 5 5 - - 0 0 0 0 1 1 1 1 item notes quantity led metal can type material : glass lens ss : hard glass material : cap : iron alloy + nickel plating material : lead : iron alloy + gilding 1 platinum rtd pt100 class a(jis c 1604-1997) 1 peltier device for temperature control 1 connector lemo japan ltd. egg-0b-309-cll 1 case material : aluminum 1 plate material : resin 1 -7- connector case plate led platinum rtd peltier device weight about 83 g nichia sts-da1-0567
n n l l h h x x 0 0 1 1 s s 0 0 2 2 s s t t s s - - d d a a 5 5 - - 0 0 0 0 1 1 1 1 5 34.6 20 +0 -0.1 2.1 0.1 23 25 +0 -0.1 29.6 0.5 26 10 0.1 1.4 0.3 standard led reference point (led front tip) mechanical axis m6 depth 7 ( b o t t o m o f l e d d i e ) +0 -0.1 parallel pin 2 height 30.5 20.5 (46) (1.2) (5) 14.5 unit : mm allow : 0.2 -8- nichia sts-da1-0567
n n l l h h x x 0 0 1 1 s s 0 0 2 2 s s t t s s - - d d a a 5 5 - - 0 0 0 0 1 1 1 1 * part no. nlhx01s02 x ? color (example. w : white) * serial number * nichia logo mark * part no. * nichia logo mark * serial number -9- nichia sts-da1-0567
n n l l h h x x 0 0 1 1 s s 0 0 2 2 s s t t s s - - d d a a 5 5 - - 0 0 0 0 1 1 1 1 connector number (figure seen from direction of arrow of figure below) -10- peltier device protection anode de vi c e platium rtd cathode 2. led cathode for curre nt s upply 3. platinum te mpe rature se nsor (3 wire type ) 4. platinum te mpe rature se nsor (3 wire type ) 5. platinum te mpe rature se nsor (3 wire type ) 7. led cathode for measure voltage 1. led anode for current supply 6. led anode for measure voltage 8. peltier device 9. peltier device led nichia sts-da1-0567
n n l l h h x x 0 0 1 1 s s 0 0 2 2 s s t t s s - - d d a a 5 5 - - 0 0 0 0 1 1 1 1 -11- *1 u???n???`? ??`??????????`???? u?????`????`?y? ?`????`?????`??? ??`????`??? *2 ??`???q??N?? *1 place produ cts, caps and urethane cushion s in a plastic case. place the plastic case into a moisture proof foil bag with desi ccant (silica gel) an d then heat seal it . wrap the bag with bu bble-wrap and place it in a cardboard box. add extra bubble -warp to fill the empty space of the box. seal the box with packing tape. *2 attach a label identifying "user name, part no., quantity, no tes" t o the plastic case. yyyy/mm/dd us e r name part no. quantity notes (refer to left figure.) nichia corporation xxxxx nlhx01s02 x label moisture proof foil bag silica gel product maximum 4 / case cap urethane cushions bubble-wrap cardboard box plastic case nichia sts-da1-0567

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