OPB360T55 Equivalent & Substitute Parts

Part Overview

The OPB360T55 is an optical sensor manufactured by TT Electronics/Optek Technology, classified as a through-beam phototransistor optical sensor with PCB mount configuration. This component is designed for slot-type optical sensing applications requiring 0.125" (3.18mm) sensing distance. The part is currently active in production status with 769 units in stock inventory.

Substitute parts are necessary when the primary part number becomes unavailable, when inventory levels are insufficient for production requirements, or when alternative sourcing is required to maintain supply chain continuity. The substitute parts listed maintain electrical and mechanical compatibility with the OPB360T55 within the specified parameter ranges.

Key Parameters

Parameter	Value
Manufacturer	TT Electronics/Optek Technology
Category	Optical Sensors
Sensing Distance	0.125" (3.18mm)
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
Operating Temperature	-40°C ~ 85°C
Mounting Type	Through Hole
Package / Case	PCB Mount
Type	Unamplified
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution eligibility for the OPB360T55 is determined by strict equivalence across the following critical parameters:

Sensing Distance: 0.125" (3.18mm)
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
Operating Temperature: -40°C ~ 85°C
Mounting Type: Through Hole
Package / Case: PCB Mount
Type: Unamplified
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

All substitute parts listed maintain identical values across these parameters. Substitution is valid when the application requires any of these part numbers and electrical/mechanical compatibility is confirmed through parameter matching.

Parameter Comparison

Part Number	Manufacturer	Sensing Distance	Sensing Method	Output Configuration	If (Max)	Ic (Max)	VCE Breakdown (Max)	Operating Temperature	Mounting Type	Package	Type	RoHS Status	Inventory
OPB360T55	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	769 Pcs
OPB360T51	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	2007 Pcs
OPB365T55	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	4496 Pcs
OPB370L55	TT Electronics / Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	909 Pcs
OPB370T51	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	909 Pcs
OPB370T55	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	1112 Pcs
OPB380T11Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	1111 Pcs
OPB380T51Z	TT Electronics / Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	2503 Pcs
OPB380T55Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	1036 Pcs
OPB390L11Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	1137 Pcs
OPB390L51Z	TT Electronics/Optek Technology	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Through Hole	PCB Mount	Unamplified	ROHS3 Compliant	1025 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain active production status and full compliance with ROHS3 and REACH requirements. Selection among equivalent parts should be based on inventory availability and lead time requirements. OPB365T55 offers the highest inventory level at 4496 units, followed by OPB380T51Z at 2503 units, providing optimal supply chain flexibility for high-volume applications.

All substitute parts are manufactured by TT Electronics/Optek Technology and carry identical electrical specifications, thermal operating range, and regulatory compliance certifications as the OPB360T55. Direct substitution is valid across all listed part numbers without circuit modification or design revision.

Frequently Asked Questions (FAQ)

Q: Can OPB360T55 be directly replaced with OPB365T55?

A: Yes. Both parts share identical electrical parameters, sensing distance, output configuration, operating temperature range, and regulatory compliance status. Direct substitution is valid without circuit modification.

Q: What is the difference between OPB360T55 and OPB370T55?

A: Both parts are parametrically equivalent across all critical specifications including sensing distance, current ratings, voltage breakdown, and operating temperature. The difference lies in the base product series designation (OPB360 versus OPB370), but electrical and mechanical compatibility is maintained.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 Compliant status and REACH Unaffected designation, matching the compliance profile of the OPB360T55.

Q: Which substitute part has the best inventory availability?

A: OPB365T55 maintains the highest inventory level at 4496 units in stock, followed by OPB380T51Z at 2503 units.

Q: Can I use OPB380T11Z as a substitute for OPB360T55?

A: Yes. OPB380T11Z maintains identical electrical specifications, sensing distance, mounting configuration, and regulatory compliance as the OPB360T55. Direct substitution is valid.

Q: Are there any thermal or environmental differences between substitute parts?

A: No. All substitute parts operate across the identical temperature range of -40°C to 85°C with MSL rating of 1 (Unlimited), ensuring equivalent performance in thermal and moisture-sensitive applications.

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