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External dimensions (Unit : mm) RPI-243 5 Photointerrupter, Small type Through hole 4 IF 50 mA Reverse voltage VR 5 V Power dissipation PD 80 mW Collector-emitter voltage VCEO 30 V Emitter-collector voltage VECO 4.5 V IC 30 mA Floppy disk drives Printers CD-ROM Gap 2 0.4 Cross-section A-A A PC 80 mW Operating temperature Topr −25 to +85 °C Storage temperature Tstg −30 to +100 °C Optical axis center 2.8 1) Compact package based on the double-mold method. 2) High resolution (slit width = 0.4mm) 3) Gap between emitter and detector is 2.0mm. (1.2) 1 Features 3.9 Collector power dissipation Applications 5.2 2-C0.3 φ 1.5 Electrical and optical characteristics (Ta=25°C) Dark current Peak sensitivity wavelength Unit VF − 1.3 1.6 V Conditions 4-0.5 IF=50mA IR − − 10 µA VR=5V ICEO − − 0.5 µA VCE=10V λP − 800 − nm − − mA VCE(sat) − − 0.4 V IF=20mA, IC=0.3mA tr tf − 10 − µs VCC=5V, IF=20mA, RL=100Ω Cut-off frequency fC − 1 − MHz Peak light emitting wavelength λP − 950 − nm tr tf − 10 − µs Maximum sensitivity wavelength λP − 800 − nm (2.5) (4) 0.5 Response time 4-0.2 − IC Collector-emitter saturation voltage A Min.5 Max. Collector current VCE=5V, IF=20mA Anode Collector IF=50mA ∗ Non-coherent Infrared light emitting diode used. VCC=5V, IC=1mA, RL=100Ω ∗ This product is not designed to be protected against electromagnetic wave. Cathode Notes: 1. Unspecified tolerance shall be ±0.2 . 2. Dimension in parenthesis are show for reference. Emitter − d 0.5 1 1.5 2 2.5 20 10 0 3 −20 DISTANCE : d (mm) d 50 25 0.5 1 1.5 40 60 80 30 20 10 0 0 100 0.4 2 DISTANCE : d (mm) Fig.4 Relative output current vs. distance ( ) 2.5 100 80 PC 60 40 20 0 −20 0 20 40 60 80 1.2 1.6 3 2 100 AMBIENT TEMPERATURE : Ta (°C) Fig.5 Power dissipation / collector power dissipation vs. ambient temperature 80 60 40 20 0 −25 0 25 50 75 100 RL=1kΩ RL=500Ω 10 RL=100Ω 10 20 30 40 50 1 0.1 FORWARD CURRENT : IF (mA) VCE=5V IF=20mA 100 100 AMBIENT TEMPERATURE : Ta (°C) Fig.6 Relative output vs. ambient temperature Ta=25°C Vcc=5V 1000 100 VCE=30V VCE=20V VCE=10V 10 1 0.1 0 0 2.0 1000 1 Fig.7 Collector current vs. forward current Fig.3 Forward current vs. forward voltage 120 PD 0.8 4 FORWARD VOLTAGE : VF (V) Fig.2 Forward current falloff Ta=25°C VCE=5V IF=20mA 75 0 0 20 40 AMBIENT TEMPERATURE : Ta (°C) Fig.1 Relative output current vs. distance ( ) 100 0 RELATIVE COLLECTOR CURRENT : Ic (%) 0 0 30 −25°C 0°C 25°C 50°C 75°C VCE=5V 5 RESPONSE TIME : t (µs) 25 40 COLLECTOR CURRENT : Ic (mA) 50 50 50 Input COLLECTOR CURRENT : Ic (mA) 75 FORWARD CURRENT : IF (mA) Ta=25°C VCE=5V IF=20mA 100 FORWARD CURRENT : IF (mA) RELATIVE COLLECTOR CURRENT : Ic (%) Electrical and optical characteristics curves RELATIVE COLLECTOR CURRENT : Ic (%) Infrared light emitter diode Typ. Reverse current Response time Photo transistor Min. (1.5) Forward voltage Symbol POWER DISSIPATION / COLLECTOR POWER DISSIPATION : PD / Pc (mW) Transfer characteristics Output Input charac- characteristics teristics Parameter +0.1 0 DARK CURRENT : ID (nA) Input (LED) Output Collector current 2.5 Forward current 5 Unit 0. Limits C Symbol Parameter (phototransistor ) 4.2 Absolute maximum ratings (Ta=25°C) 4-φ 0.8 1 10 100 VCC Input 30mA Output 90% RL 20mA 10% Output td 0 0 tr 10mA 0.5 tf td : Delay time t r : Rise time (time for output current to rise 2 4 6 8 10 COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.10 Output characteristics 50 75 Fig.9 Dark current vs. ambient temperature 40mA 1 25 Fig.8 Response time vs. collector current IF=50mA 1.5 0 AMBIENT TEMPERATURE : Ta (°C) 2.5 2 −25 COLLECTOR CURRENT : Ic (mA) from 10% to 90% of peak current) t f : Fall time (time for output current to fall from 90% to 10% of peak current) Fig.11 Response time measurement circuit 100 Appendix 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. 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. 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. Appendix1-Rev1.1