RPI-441C1 Equivalent & Substitute Parts

Part Overview

The RPI-441C1 is an optical sensor manufactured by Rohm Semiconductor, designed for through-beam sensing applications with a phototransistor output configuration. This component operates at a sensing distance of 0.157" (4mm) and is mounted directly to PCB. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range.

Key Parameters

Parameter	Value
Manufacturer	Rohm Semiconductor
Category	Optical Sensors
Sensing Distance	0.157" (4mm)
Sensing Method	Through-Beam
Output Configuration	Phototransistor
Current - DC Forward (If) (Max)	50 mA
Current - Collector (Ic) (Max)	30 mA
Voltage - Collector Emitter Breakdown (Max)	30 V
Response Time	10µs
Operating Temperature	-25°C ~ 85°C
Mounting Type	Through Hole
Type	Unamplified
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the RPI-441C1 are qualified based on the following critical parameters:

Sensing distance of 0.157" (4mm)
Maximum collector current (Ic) of 30 mA
Maximum collector-emitter breakdown voltage of 30 V
Response time of 10µs or faster
Operating temperature range of -25°C to 85°C
Through-hole mounting capability
Unamplified output type
RoHS3 compliance and REACH unaffected status

The RPI-441C1E qualifies as a direct substitute based on matching electrical specifications and compliance certifications, despite differences in package configuration and sensing method designation.

Parameter Comparison

Parameter	RPI-441C1	RPI-441C1E
Manufacturer	Rohm Semiconductor	Rohm Semiconductor
Category	Optical Sensors	Optical Sensors
Sensing Distance	0.157" (4mm)	0.157" (4mm)
Output Configuration	Phototransistor	Transistor
Current - DC Forward (If) (Max)	50 mA	50 mA
Current - Collector (Ic) (Max)	30 mA	30 mA
Voltage - Collector Emitter Breakdown (Max)	30 V	30 V
Response Time	10µs	10µs
Operating Temperature	-25°C ~ 85°C	-25°C ~ 85°C
Mounting Type	Through Hole	Through Hole
Type	Unamplified	Unamplified
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active

Engineering Selection Recommendations

Both the RPI-441C1 and RPI-441C1E are active production parts from Rohm Semiconductor with identical electrical performance specifications. Selection between these parts is determined by package and mounting requirements. The RPI-441C1 is specified as PCB Mount, while the RPI-441C1E is configured as a Module with PC Pins and Slot Type package. Both parts maintain full RoHS3 compliance and REACH unaffected status, ensuring regulatory compatibility in equivalent applications.

Frequently Asked Questions (FAQ)

Q: Can RPI-441C1E replace RPI-441C1 in all applications?

A: Electrical substitution is valid based on matching current, voltage, response time, and temperature specifications. Physical substitution depends on PCB layout compatibility with the Module, PC Pins, Slot Type package configuration of the RPI-441C1E versus the PCB Mount configuration of the RPI-441C1.

Q: What is the primary difference between these substitute parts?

A: The RPI-441C1 uses a PCB Mount package, while the RPI-441C1E uses a Module configuration with PC Pins and Slot Type. Electrical performance and sensing distance are identical.

Q: Are both parts compliant with current regulations?

A: Yes. Both the RPI-441C1 and RPI-441C1E are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What sensing distance do these optical sensors provide?

A: Both parts operate at a sensing distance of 0.157" (4mm) for through-beam optical sensing applications.

Q: What is the maximum collector current for these sensors?

A: The maximum collector current (Ic) for both parts is 30 mA at the specified operating conditions.

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