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ROHM RPI-392 Data Sheet

Summary

This versatile general-type photointerrupter is a high-reliability opto-sensor designed for varied detection applications. The comprehensive manual covers all necessary technical details, including absolute maximum ratings, operational limits, and detailed electrical/optical performance curves for temperature or distance variations. It is engineered for engineers designing sophisticated systems such as AV equipment, office automation gear, communication devices, and general electrical appliances requiring accurate optical sensing functionality.

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External dimensions (Unit : mm) RPI-392 ut pu

In fr ar ed ph ot o- In pu t ( LE

ut pu In pu

ho to lig ht ra ns fe tr an si st or

ch ar ac ch ar ac

tr an si st or em itt er ch ar ac te ris tic

te ris tic te ris tic

Photointerrupter, General type di od

LA IV LL Ic LA IV LL Ic

14.6 Thrugh hole

Absolute maximum ratings (Ta=25°C)

Parameter Symbol Limits Unit Applications

Forward current IF m A

Reverse voltage Printers

Facsimiles

Power dissipation PD m W

AV equipment

Collector-emitter voltage VCEO 3.3

Gap Emitter-collector voltage 45.3

VECO 4.5

Features

Collector current IC m A

Optical axis center

Collector power dissipation PC m W 1) With a hook. 2) Gap 4mm.

Operating temperature Topr −25 to +85 °C

Storage temperature Tstg −40 to +85 °C

Soldering temperture Tsol 260/3 °C/sec IS IP IO

∗ 1mm from the body bottom. LL IS IP IO / P (m IF

Electrical and optical characteristics (Ta=25°C)

Parameter Symbol Min. Typ. Max. Unit Conditions

Forward voltage VF 1.3 1.6 IF=50m A 0.8 4-0.45

Reverse current IR µA VR=5V (2.1) (10.4) (2.54)

Dark current ICEO 0.5 µA VCE=10V Peak sensitivity wavelength λP nm Collector current IC 0.5 m A VCE=5V, IF=20m A

Cathode Collector

Collector-emitter saturation voltage VCE(sat) 0.1 0.5 IF=20m A, IC=0.5m A

Rise time tr µs

Response time VCC=5V, IF=20m A, RL=100Ω

Fall time tf µs

Cut-off frequency f C MHz

IF=50m A Notes:

∗ Non-coherent Infrared light emitting diode used.Peak light emitting wavelength 1. Unspecified tolerance λP nm 13.6±0.05 Anode Emitter

shall be ±0.2 .

IF VCC=5V, IC=1m A, RL=100Ωtr tf Response time

LA IV LL IC µs 2. Dimension in parenthesis are

∗ This product is not designed to be protected against electromagnetic wave.

show for reference.

λP nm −Maximum sensitivity wavelength

Electrical and optical characteristics curves

tr tf

RL=5kΩ VCE=30V

VCE=20V

tr tf VCE=10V RL=2kΩ

tf tr

RL=1kΩ

−20 0.40.2 0.6 0.8 1.0 1.2 1.4 1.6 1.8 FORWARD VOLTAGE : VF (V)

AMBIENT TEMPERATURE : Ta (°C) FORWARD CURRENT : IF (m A) COLLECTOR CURRENT : IC (µA)

DISTANCE : d (mm) AMBIENT TEMPERATURE : Ta (°C)

Fig.8 Response time vs. Fig.9 Dark current vs. ambient

Fig.1 Relative output vs. distance ( ) Fig.2 Forward current falloff Fig.3 Forward current vs. forward voltage Fig.7 Collector current vs. forward current collector current temperature

LL IC LL IC (m

VCCInput

IF=25m A

0.8 PCPD 2.0

Input 20m A Output

0.6 90%RL

Output 10%

0. 10m A td

tr tf

td : Delay time Rise time (time for output current to rise from

0.5 1.5 2.5 10% to 90% of peak current) Fall time (time for output current to fall from 90%

AMBIENT TEMPERATURE : Ta (°C) COLLECTOR-EMITTER VOLTAGE : VCE (V)

DISTANCE : d (mm) AMBIENT TEMPERATURE : Ta (°C)

to 10% of peak current)

Fig.5 Power dissipation / collector power Fig.6 Relative output vs. ambient

(1 .5 Fig.10 Output characteristics

Fig.4 Relative output vs. distance ( ) dissipation vs. ambient temperature temperature Fig.11 Response time measurement circuit

LA IV IM tr, tf (µ s)

IC n A

Page Summary Contents For ROHM RPI-392 Data Sheet

Page 1 External dimensions (Unit : mm) RPI-392 ut pu In fr ar ed ph ot o- In pu t ( LE ut pu In pu ho to lig ht ra ns fe tr an si st or ch ar ac ch ar ac tr an si st or em itt er ch ar ac te ris tic te ris t...
Page 2 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...