Photointerrupter, Ultraminiature type Datasheet RPI-122 Applications Outline * Optical control equipment * Cameras Features 1) Ultra-small. 2) Minimal influence from stray light. 3) Low collector-emitter saturation voltage. Dimensions (Unit : mm) Absolute maximum ratings (Ta = 25C) Parameter Symbol Value Unit Forward current 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 Collector current IC 30 mA Collector power dissipation PC 80 mW Operating temperature Topr 25 to 85 C Storage temperature Tstg 40 to 100 C Input (LED) Output (phototransistor) www.rohm.com (c) 2015 ROHM Co., Ltd. All rights reserved. 1/5 2018.06 - Rev.C Datasheet RPI-122 Electrical and optical characteristics (Ta = 25C) Values Parameter Symbol Unit Conditions Min. Typ. Max. Forward voltage VF IF =50mA - 1.3 1.6 V Reverse current IR VR =5V - - 10 A VCE=10V - - 0.5 A - 800 - nm Input characteristics ICEO Dark current Output characteristics Transfer characteristics Peak sensitivity wavelength p Collector current IC VCE =0.7V, IF=3mA 0.18 - 1.08 mA Collector-emitter saturation voltage VCE(sat) IF =20mA, IC=0.3mA - - 0.3 V tr*tf VCC =5V, IF=20mA, RL=100 - 10 - s - 1 - MHz - 950 - nm - 10 - s - 800 - nm Response time Cut-off frequency Infrared light emitter diode Photo transistor - fC IF =50mA Peak light emitting wavelength p Response time tr*tf Maximum sensitivity wavelength p * Non-coherent Infrared light emitting diode used. VCC =5V, IC=1mA, RL=100 *This product is not designed to be protected against electromagnetic wave. - Classified table of rank Item Collector current : IC Unit A 0.18 to 0.45 mA B 0.33 to 1.08 mA Condition VCE=0.7V, IF=3mA www.rohm.com (c) 2015 ROHM Co., Ltd. All rights reserved. 2/5 2018.06 - Rev.C Datasheet RPI-122 Electrical and optical characteristics curves Fig.2 Relative Output Current vs.Distance (II) Relative Collector Current : IC [%] Relative Collector Current : IC [%] Fig.1 Relative Output Current vs.Distance (I) Distance : d [mm] Distance : d [mm] Fig.4 Power Dissipation / Collector Power Dissipation vs. Ambient Temperature Forward Current : IF [mA] Power Dissipation / Collector Power Dissipation : PD/PC [mW] Fig.3 Forward Current Falloff Ambient Temperature : Ta [C] Ambient Temperature : Ta [C] www.rohm.com (c) 2015 ROHM Co., Ltd. All rights reserved. 3/5 2018.06 - Rev.C Datasheet RPI-122 Electrical and optical characteristics curves Fig.6 Collector Current vs. Forward Current Forward Current : IF [mA] Collector Current : IC [mA] Fig.5 Forward Current vs. Forward Voltage Forward Current : IF [mA] Forward Voltage : VF [V] Fig.7 Relative Output vs. Ambient Temperature Response Time : t [s] Relative Collector Current : IC [%] Fig.8 Response Time vs. Collector Current Collector Current : IC [mA] Ambient Temperature : Ta [C] www.rohm.com (c) 2015 ROHM Co., Ltd. All rights reserved. 4/5 2018.06 - Rev.C Datasheet RPI-122 Electrical and optical characteristics curves Fig.10 Output Characteristics Dark Current : ICEO [nA] Collector Current : IC [mA] Fig.9 Dark Current vs. Ambient Temperature Collector to Emitter Voltage : VCE [V] Ambient Temperature : Ta [C] Fig.11 Response Time Measurement Circuit td : Delay time tr : Rise time (time for output current to rise from 10% to 90% of peak current) tf : Fall time (time for output current to fall from 90% to 10% of peak current) www.rohm.com (c) 2015 ROHM Co., Ltd. All rights reserved. 5/5 2018.06 - Rev.C Notice Notes 1) The information contained herein is subject to change without notice. 2) Before you use our Products, please contact our sales representative and verify the latest specifications. 3) Although ROHM is continuously working to improve product reliability and quality, semiconductors can break down and malfunction due to various factors. Therefore, in order to prevent personal injury or fire arising from failure, please take safety measures such as complying with the derating characteristics, implementing redundant and fire prevention designs, and utilizing backups and fail-safe procedures. ROHM shall have no responsibility for any damages arising out of the use of our Poducts beyond the rating specified by ROHM. 4) Examples of application circuits, circuit constants and any other information contained herein are provided only to illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. 5) The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM or any other parties. ROHM shall have no responsibility whatsoever for any dispute arising out of the use of such technical information. 6) The Products are intended for use in general electronic equipment (i.e. AV/OA devices, communication, consumer systems, gaming/entertainment sets) as well as the applications indicated in this document. 7) The Products specified in this document are not designed to be radiation tolerant. 8) For use of our Products in applications requiring a high degree of reliability (as exemplified below), please contact and consult with a ROHM representative : transportation equipment (i.e. cars, ships, trains), primary communication equipment, traffic lights, fire/crime prevention, safety equipment, medical systems, servers, solar cells, and power transmission systems. 9) Do not use our Products in applications requiring extremely high reliability, such as aerospace equipment, nuclear power control systems, and submarine repeaters. 10) ROHM shall have no responsibility for any damages or injury arising from non-compliance with the recommended usage conditions and specifications contained herein. 11) ROHM has used reasonable care to ensure the accuracy of the information contained in this document. However, ROHM does not warrants that such information is error-free, and ROHM shall have no responsibility for any damages arising from any inaccuracy or misprint of such information. 12) Please use the Products in accordance with any applicable environmental laws and regulations, such as the RoHS Directive. For more details, including RoHS compatibility, please contact a ROHM sales office. ROHM shall have no responsibility for any damages or losses resulting non-compliance with any applicable laws or regulations. 13) When providing our Products and technologies contained in this document to other countries, you must abide by the procedures and provisions stipulated in all applicable export laws and regulations, including without limitation the US Export Administration Regulations and the Foreign Exchange and Foreign Trade Act. 14) This document, in part or in whole, may not be reprinted or reproduced without prior consent of ROHM. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com (c)2012ROHMCo.,Ltd.Allrightsreserved. R1107 A Datasheet rpi-122 - Web Page Buy Distribution Inventory Part Number Package Unit Quantity Minimum Package Quantity Packing Type Constitution Materials List RoHS rpi-122 RPI-122 2000 2000 Bulk inquiry Yes