External dimensions (Unit : mm) RPI-246 Photointerrupter, Small type Through hole 5 Forward current IF 50 mA Reverse voltage VR 5 V PD 80 mW Collector-emitter voltage VCEO 30 V Emitter-collector voltage Gap V 30 mA Collector power dissipation PC 80 mW Operating temperature Topr −25 to +85 °C Storage temperature Tstg −30 to +85 °C 1) Compact package based on the double-mold. 2) Method High resolution (slit width = 2.0mm) 3) Gap between emitter and detector is 2.0mm. A φ1 . 5 Min. Typ. Max. Unit VF − 1.3 1.6 V IF=50mA − − 10 µA VR=5V − − 0.5 µA VCE=10V Peak sensitivity wavelength λP − 800 − nm Collector current IC 0.35 − 1.2 mA VCE(sat) − − 0.4 V IF=20mA, IC=0.2mA tr tf − 10 − µs VCC=5V, IF=20mA, RL=100Ω Cut-off frequency fC − 1 − MHz Peak light emitting wavelength λP − 950 − nm Response time tr tf − 10 − µs Maximum sensitivity wavelength λP − 800 − nm (4) − (2.5) VCE=5V, IF=20mA Collector IF=50mA ∗ Non-coherent Infrared light emitting diode used. Notes: 1. Unspecified tolerance shall be ±0.2 . 2. Dimension in parenthesis are show for reference. VCC=5V, IC=1mA, RL=100Ω ∗ This product is not designed to be protected against electromagnetic wave. Cathode 0.1 − Emitter 0.5 1 1.5 2 10 0 3 2.5 −20 Fig.1 Relative output current vs. distance ( ) 25 1 1.5 2 2.5 DISTANCE : d (mm) Fig.4 Relative output current vs. distance ( ) 3 POWER DISSIPATION / COLLECTOR POWER DISSIPATION : PD / Pc (mW) d 50 0.5 40 60 80 20 10 0 0 100 0.4 100 PD PC 60 40 20 0 −20 0 20 40 60 80 1.2 1.6 1.5 1.0 100 AMBIENT TEMPERATURE : Ta (°C) Fig.5 Power dissipation / collector power dissipation vs. ambient temperature 80 60 40 20 0 −25 0 25 50 75 RL=500Ω 10 RL=100Ω 10 20 30 40 50 1 0.1 FORWARD CURRENT : IF (mA) VCE=5V IF=20mA 100 RL=1kΩ 100 AMBIENT TEMPERATURE : Ta (°C) Fig.6 Relative output vs. ambient temperature 1000 100 VCE=30V VCE=20V VCE=10V 10 1 0.1 0 0 2.0 100 0.5 Fig.7 Collector current vs. forward current Fig.3 Forward current vs. forward voltage 120 80 0.8 2.0 FORWARD VOLTAGE : VF (V) Fig.2 Forward current falloff IF=20mA VCE=5V 75 0 0 20 30 AMBIENT TEMPERATURE : Ta (°C) DISTANCE : d (mm) 100 0 40 Ta=25°C Vcc=5V DARK CURRENT : ID (nA) 20 RELATIVE COLLECTOR CURRENT : Ic (%) 0 0 30 −25°C 0°C 25°C 50°C 75°C 1000 VCE=5V Ta=25°C 2.5 RESPONSE TIME : t (µs) 25 40 COLLECTOR CURRENT : Ic (mA) d 50 50 50 Input COLLECTOR CURRENT : Ic (mA) 75 FORWARD CURRENT : IF (mA) IF=20mA VCE=5V 100 FORWARD CURRENT : IF (mA) RELATIVE COLLECTOR CURRENT : Ic (%) Electrical and optical characteristics curves RELATIVE COLLECTOR CURRENT : Ic (%) Infrared light emitter diode 4-0.5 4-0.2 Anode Response time Photo transistor (1.5) Output Input charac- characteristics teristics IR Transfer characteristics Conditions ICEO +0.1 -0 Min.5 Symbol Forward voltage Collector-emitter saturation voltage Optical axis center A 2-C0.3 Electrical and optical characteristics (Ta=25°C) Dark current (1.6) 1 4.5 IC Reverse current C0.5 1.3 VECO Collector current Parameter Cross-section A-A 2 Features 2.8 Power dissipation Floppy disk drives Movie equipment Cameras Printers 2.5 Unit 0.2 Limits 4.2 Applications Symbol 5.2 Output (phototransistor ) Input (LED) Parameter 4 - φ0 . 8 +0.2 -0.15 Absolute maximum ratings (Ta=25°C) 4 1 10 100 VCC Input 90% RL 10% Output td 20mA tr tf 10mA 0 0 2 4 6 8 10 COLLECTOR TO EMITTER VOLTAGE : VCE (V) Fig.10 Output characteristics 50 75 Fig.9 Dark current vs. ambient temperature Output 30mA 25 Fig.8 Response time vs. collector current IF=50mA 1.0 0 AMBIENT TEMPERATURE : Ta (°C) 2.0 40mA −25 COLLECTOR CURRENT : Ic (mA) td: Delay time t r : Rise time (time for output current to rise 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. 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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