OPB380L55Z Equivalent & Substitute Parts

Part Overview

The OPB380L55Z 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 sensing applications with a 0.125" (3.18mm) sensing distance and operates across the industrial temperature range of -40°C to 85°C. The part maintains Active product status and is ROHS3 compliant, making it suitable for current production and procurement cycles. Equivalent and substitute parts are identified based on matching electrical characteristics, mechanical compatibility, and environmental specifications to ensure functional interchangeability in circuit designs.

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

Substitute parts for the OPB380L55Z are identified based on strict parametric equivalence across the following critical criteria:

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 identified substitute parts maintain identical electrical performance specifications and environmental ratings. Substitution is valid across all OPB360, OPB365, OPB370, OPB380, and OPB390 base product numbers when the above parameters match completely.

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
OPB380L55Z	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	707 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 substitute parts listed maintain Active product status and full ROHS3 compliance with REACH Unaffected designation. 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. All parts are manufactured by TT Electronics/Optek Technology and carry identical electrical performance ratings, environmental specifications, and moisture sensitivity classifications. The through-hole PCB mount configuration and unamplified phototransistor output remain consistent across all substitute options, ensuring direct functional interchangeability in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can OPB360T51 be used as a direct replacement for OPB380L55Z?

A: Yes. Both parts share identical electrical specifications (50 mA If max, 30 mA Ic max, 30 V Vce breakdown), sensing distance (0.125"), sensing method (through-beam), output configuration (phototransistor), operating temperature range (-40°C to 85°C), mounting type (through hole), and package type (PCB mount). Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between OPB370L55 and OPB370T51?

A: Both parts are parametrically equivalent with identical electrical and environmental specifications. The difference lies in the part number suffix designation, which may indicate different manufacturing batches or internal product variants. Functionally, they are interchangeable for circuit applications.

Q: Are all substitute parts suitable for -40°C to 85°C operating temperature applications?

A: Yes. All listed substitute parts maintain the same operating temperature range of -40°C to 85°C, ensuring compatibility in industrial and extended temperature environments.

Q: Does the OPB380L55Z have any substitute parts with higher inventory availability?

A: Yes. OPB365T55 has 4496 units in stock, significantly higher than the OPB380L55Z inventory of 707 units. OPB380T51Z also offers higher availability at 2503 units.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements for electronic component procurement.

Q: Can these optical sensors be used interchangeably in slot-type sensing applications?

A: Yes. All parts are through-beam phototransistor optical sensors with identical 0.125" (3.18mm) sensing distance and PCB mount configuration, making them suitable for direct substitution in slot-type sensing circuit designs.

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