Precision optical sensing device ROHM RPI 221A photointerrupter suitable for various control systems

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Product Description

Photointerrupter, Small type RPI-221

The ROHM RPI-221 is an ultra-small photointerrupter designed for optical control equipment and cameras. It features minimal influence from stray light and a low collector-emitter saturation voltage, making it suitable for various applications requiring precise optical sensing.

Product Attributes

Brand: ROHM
Model: RPI-221
Origin: Japan (implied by ROHM Co., Ltd.)

Technical Specifications

Parameter	Symbol	Unit	Min.	Typ.	Max.	Conditions
Absolute Maximum Ratings
Forward current	IF	mA	-	-	50	(Ta = 25C)
Reverse voltage	VR	V	-	-	5	(Ta = 25C)
Power dissipation	PD	mW	-	-	80	(Ta = 25C)
Collector-emitter voltage	VCEO	V	-	-	30	(Ta = 25C)
Emitter-collector voltage	VECO	V	-	-	4.5	(Ta = 25C)
Collector current	IC	mA	-	-	30	(Ta = 25C)
Collector power dissipation	PC	mW	-	-	80	(Ta = 25C)
Operating temperature	Topr	C	-25	-	85	-
Storage temperature	Tstg	C	-30	-	85	-
Electrical and Optical Characteristics
Peak light emitting wavelength	p	nm	-	950	-	Non-coherent Infrared light emitting diode used.
Forward voltage	VF	V	-	1.0	1.6	IF = 50mA
Reverse current	IR	A	-	-	1	VR = 5V
Collector current	IC	mA	-	0.20	-	Vce=5V, IF=20mA
Collector current	IC	mA	-	0.4	-	Vce=5V, IF=5mA
Dark current	ICEO	A	-	-	0.2	VCE=10V
Collector-emitter saturation voltage	VCE(sat)	V	-	0.2	-	IF =20mA, IC=0.1mA
Response time (trtf)	-	s	-	-	10	VCC =5V, IF=20mA, RL=100
Response time (trtf)	-	s	-	-	10	VCC =5V, IC=1mA, RL=100
Cut-off frequency	fC	MHz	-	-	1	IF =50mA
Peak sensitivity wavelength	p	nm	-	800	-	-