everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 1 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai technical data sheet 1.9mm round subminiature axial phototransistor pt91-21c features ? fast response time ? high photo sensitivity ? small junction capacitance ? compatible with infrared and vapor phase reflow solder process. ? pb free ? rohs compliance ? the product itself will remain within rohs compliant version. descriptions ? pt91-21c is a phototransistor in miniature smd package which is molded in water clear plastic with spherical top view lens. the device is spectrally matched to infrared emitting diode. applications ? miniature switch ? counters and sorter ? position sensor ? infrared applied system device selection guide chip led part no. material lens color pt silicon water clear
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 2 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai pt91-21c package dimensions notes: 1.all dimensions are in millimeters 2.tolerances unless dimensions 0.1mm absolute maximum ratings (ta=25 ) parameter symbol rating units collector-emitter voltage v ceo 30 v emitter-collector-voltage v eco 5 v collector current i c 20 ma operating temperature t opr -25 ~ +85 storage temperature t stg -40 ~ +85 soldering temperature t sol 260 power dissipation at(or below) 25 free air temperature p c 75 mw notes: *1:soldering time Q 5 seconds.
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 3 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai pt91-21c electro-optical characteristics (ta=25 ) parameter symbol condition min typ max unit rang of spectral bandwidth 0.5 --- 400 --- 1100 nm wavelength of peak sensitivity p --- --- 940 --- nm collector-emitter breakdown voltage b vceo i c =100 a ee=0mw/cm 2 30 --- --- v emitter-collector breakdown voltage b veco i e =100 a ee=0mw/cm 2 5 --- --- v collector-emitter saturation voltage v ce(sat) i c =2ma ee=1m w/cm 2 --- --- 0.4 v collector dark current i ceo v ce =20v ee=0mw/cm 2 --- --- 100 na on state collector current i c(on) v ce =5v ee=1mw /cm 2 1.0 1.5 --- ma rise time t r --- 15 --- fall time tf v ce =5v i c =1ma r l =1000 ? --- 15 --- s
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 4 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai 20 0 0 40 10 20 30 60 50 70 100 60 40 80 140 120 160 2 0 -25 20 40 50 0 25 85 75 100 60 80 100 2 0.01 0.1 110 c 0.001 0.01 0.1 1 10 100 0.2 0 0.4 700 500 300 ta=25 0.8 0.6 1.0 c 1300 1100 900 pt91-21c typical electro-optical characteristics curves fig.1collector power dissipation vs. fig.2 spectral sensitivity ambient temperature fig.3 relative collector current vs. fig.4 collector current vs. ambient temperature irradiance
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 5 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai 10 10 0 10 10 10 25 50 75 100 10 4 0 0 2 1 6 8 2 3 14 12 4 pt91-21c typical electro-optical characteristics curves fig.5 collector dark current vs. fig.6 collector current vs. ambient temperature collector-emitter voltage
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 6 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai pt91-21c precautions for use 1. over-current-proof customer must apply resistors for protection , otherwise slight voltage shift will cause big current change ( burn out will happen ). 2. storage 2.1 do not open moisture proof bag before the products are ready to use. 2.2 before opening the package, the leds should be kept at 30 or less and 90%rh or less. 2.3 the leds should be used within a year. 2.4 after opening the package, the leds should be kept at 30 or less and 70%rh or less. 2.5 the leds should be used within 168 hours (7 days) after opening the package. 2.6 if the moisture absorbent material (silica gel) has faded away or the leds have exceeded the storage time, baking treatment should be performed using the following conditions. baking treatment : 60 5 for 24 hours. 3. soldering condition 3.1 pb-free solder temperature profile 3.2 reflow soldering should not be done more than two times. 3.3 when soldering, do not put stress on the leds during heating. 3.4 after soldering, do not warp the circuit board.
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 7 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai pt91-21c 4.soldering iron each terminal is to go to the tip of soldering iron temperature less than 280 for 3 seconds within once in less than the soldering iron capacity 25w. leave two seconds and more intervals, and do soldering of each terminal. be car eful because the damage of the product is often started at the time of the hand solder. 5.repairing repair should not be done after the leds have been soldered. when repairing is unavoidable, a double-head soldering iron should be used (as below figure). it should be confirmed beforehand whether the characteristics of the leds will or will not be damaged by repairing.
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 8 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai pt91-21c reliability test item and condition the reliability of products shall be satisfied with items listed below. confidence level 90% ltpd 10% no. item test conditions test hours/ cycles sample sizes failure judgement criteria ac/re 1 reflow soldering temp. 260 5 5secs 6mins 22pcs 0/1 2 temperature cycle h : +100 15mins 5mins l : -40 15mins 50cycles 22pcs 0/1 3 thermal shock h :+100 5mins 10secs l :-10 5mins 50cycles 22pcs 0/1 4 high temperature storage temp. +100 1000hrs 22pcs 0/1 5 low temperature storage temp. -40 1000hrs 22pcs 0/1 6 dc operating life v ce =5v 1000hrs 22pcs 0/1 7 high temperature/ high humidity 85 / 85% r.h 1000hrs 22pcs i c(on) Q l 0.8 l lower specification limit 0/1
everlight electronics co., ltd. http:\\www.ever light.com rev 4 page: 9 of 9 device no dpt-091-008 prepared date 07-20-2005 prepared by jaine tsai rohs pt91-21c packing quantity specification 1.1000pcs/1bag 20bags/1box 2.10boxes/1carton label form specification cpn: customer?s production number p/n : production number qty: packing quantity cat: ranks hue: peak wavelength ref: reference lot no: lot number made in taiwan: production place notes 1. above specification may be changed without notice. everlight will reserve authority on material change for above specification. 2. when using this product, please observe the absolute maximum ratings and the instructions for using outlined in these specification sheets. everlight 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 these specification sheets. 3. these specification sheets include material s protected under copyright of everlight corporation. please don?t reproduce or cause a nyone to reproduce them without everlight?s consent. everlight electronics co., ltd. tel: 886-2-2267-2000, 2267-9936 office: no 25, lane 76, sec 3, chung yang rd, fax: 886-2267-6244, 2267-6189, 2267-6306 tucheng, taipei 236, taiw an, r.o.c http:\\www.everlight.com pt91-21c
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