rpi-221 photointerrupter, small type applications optical control equipment cameras floppy disk drives features 1) ultra-small. 2) minimal influence from stray light. 3) low collector-emitter saturation voltage. absolute maximum ratings (ta =25c) electrical and optical characteristics (ta =25c) electrical and optical characteristics curves external dimensions (unit : mm) notes: 1. unspecified tolerance shall be 0.2 . 2. dimension in parenthesis are show for reference. cathode emitter gap cross-section a-a optical axis center anode through hole a a 2-r0.3 2-r0.15 c0.7 4.9 0.3 2.6 1.5 2.6 3.3 2.3 0.3 2 1 min.5 (4) 4-0.2 1 0.5 4-0.5 4-0.4 (2) (0.5) 0.4 4 2 4- 0.8 fig.1 relative output current vs. distance ( ) relative collector current : ic ( % ) distance : d (mm) 0.50 1.0 1.5 2.0 2.5 0 25 50 75 100 125 d fig.4 relative output current vs. distance ( ) relative collector current : ic ( % ) distance : d (mm) 0.50 1.0 1.5 2.0 2.5 0 25 50 75 100 125 d fig.2 forward current falloff forward current : i f (ma) ambient temperature : ta (c) ? 20 0 20 40 60 80 100 10 50 40 30 20 0 fig.10 output characteristics collector current : ic (ma) collector to emitter voltage : v ce (v) 48 610 20 0 1.5 3.0 i f =50ma 40ma 30ma 20ma 10ma t d t r t f 10% 90% r l v cc t d : t r : t f : delay time rise time (time for output current to rise from 10% to 90% of peak current) fall time (time for output current to fall from 90% to 10% of peak current) input input output output fig.11 response time measurement circuit fig.8 response time vs. collector current response time : t (s) collector current : ic (ma) 100 0.1 1 10 1 10 100 1000 ta=25c vcc=5v r l =1k? r l =500? r l =100? fig.9 dark current vs. ambient temperature dark current : i d (na) ambient temperature : ta (c) ? 25 0 25 50 75 100 0.1 1 10 100 1000 v ce =30v v ce =20v v ce =10v fig.6 relative output vs. ambient temperature relative collector current : ic ( % ) ambient temperature : ta (c) ?40 ? 20 0 20406080100 0 20 40 60 80 100 120 160 140 fig.7 collector current vs. forward current collector current : ic (ma) forward current : i f (ma) 01020304050 0 1 2 3 4 5 forward voltage : v f ( v ) forward current : i f ( ma ) fig.3 forward current vs. forward voltage 0.4 0.6 0.8 0.2 1.0 1.2 1.4 1.6 1.8 0c 25c 50c 75c 0 50 40 30 20 10 ?25c power dissipation / collector power dissipation : p d / pc (mw) ambient temperature : ta (c) fig.5 power dissipation / collector power dissipation vs. ambient temperature ? 20 0 20 p d p c 40 60 80 100 0 20 40 60 80 100 120 parameter symbol v f i r i ceo p i c v ce(sat) tr tf min. ? ? ? ? 0.2 ? ? typ. 1.3 ? ? 800 1.0 ? 10 max. 1.6 10 0.5 ? ? 0.4 ? unit vi f = 50ma v r = 5v v ce = 10v ? v ce = 5v, i f = 20ma i f = 20ma, i c = 0.1ma v cc = 5v, i f = 20ma, r l = 100? a a nm ma v s conditions forward voltage reverse current dark current peak sensitivity wavelength collector current collector-emitter saturation voltage response time input charac- teristics output charac- teristics transfer charac- teristics cut-off frequency ? non-coherent infrared light emitting diode used. peak light emitting wavelength p f c i f = 50ma ? ? 1 ? mhz ? 950 ? nm maximum sensitivity wavelength p ? 800 ? nm ? this product is not designed to be protected against electromagnetic wave. v cc = 5v, i c = 1ma, r l = 100? tr tf response time ? 10 ? s photo transistor infrared light emitter diode parameter symbol i c v ceo p d v r i f p c v eco topr tstg limits ?25 to +85 ?30 to +100 50 5 80 30 4.5 30 80 unit ma v mw v v ma mw c c forward current reverse voltage power dissipation collector-emitter voltage emitter-collector voltage collector current collector power dissipation operating temperature storage temperature input ( led ) output photo- transistor ( )
appendix appendix1-rev1.1 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 with 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. 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. about export control order in japan products described herein are the objects of controlled goods in annex 1 (item 16) of export trade control order in japan. in case of export from japan, please confirm if it applies to "objective" criteria or an "informed" (by miti clause) on the basis of "catch all controls for non-proliferation of weapons of mass destruction.
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