OPB390N11Z Equivalent & Substitute Parts

Part Overview

The OPB390N11Z is an optical sensor through-beam phototransistor module manufactured by TT Electronics/Optek Technology. This component features a 0.125" (3.18mm) sensing distance with phototransistor output configuration, designed for chassis mount applications in pre-wired module form. The part is currently obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring compatible optical sensing functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	OPB390N11Z
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	Chassis Mount
Package / Case	Module, Pre-Wired
Type	Unamplified
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the OPB390N11Z are qualified based on strict electrical and mechanical parameter matching. All substitute candidates maintain identical specifications 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: Chassis Mount
Package / Case: Module, Pre-Wired
Type: Unamplified
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

Substitute parts differ only in packaging configuration (bulk versus tape/reel) and product status (active versus obsolete). The primary distinction between OPB390N11Z and its substitutes is the transition from obsolete to active product status, ensuring continued availability and manufacturing support.

Parameter Comparison

Part Number	Manufacturer	Product Status	Sensing Distance	Sensing Method	Output Configuration	If (Max)	Ic (Max)	VCE Breakdown (Max)	Operating Temperature	Mounting Type	Package / Case	Type	RoHS Status	Inventory
OPB390N11Z	TT Electronics/Optek Technology	Obsolete	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1007 Pcs
OPB390P11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1366 Pcs
OPB360N51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1394 Pcs
OPB365N11	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	658 Pcs
OPB365N51	TT Electronics / Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1916 Pcs
OPB365P55	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1052 Pcs
OPB370N51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1250 Pcs
OPB370N55	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	90400 Pcs
OPB375N51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	648 Pcs
OPB380N11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	1100 Pcs
OPB380P51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	50 mA	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	Module, Pre-Wired	Unamplified	ROHS3 Compliant	651 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with the OPB390N11Z. The primary advantage of selecting from the active product status alternatives is assured long-term availability and manufacturing support from TT Electronics/Optek Technology.

OPB390P11Z serves as the manufacturer-recommended direct substitute, offering identical electrical specifications and sensing characteristics with active product status. This part represents the most direct replacement path for obsolete OPB390N11Z applications.

OPB370N55 demonstrates the highest inventory availability at 90,400 units, providing supply chain stability for high-volume applications. All substitute candidates maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with current environmental and safety standards.

Selection between substitute options should be based on packaging requirements (bulk versus tape/reel configurations) and inventory availability for specific procurement timelines. All parts are manufactured by the same supplier, ensuring consistent quality and performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can OPB390N11Z be directly replaced with OPB390P11Z?

A: Yes. OPB390P11Z is the manufacturer-recommended substitute with identical electrical and mechanical specifications. The primary difference is product status (active versus obsolete) and packaging configuration.

Q: What determines compatibility between OPB390N11Z and its substitutes?

A: Compatibility is determined by matching sensing distance (0.125"), sensing method (through-beam), output configuration (phototransistor), current ratings (If 50 mA max, Ic 30 mA max), voltage breakdown (30 V max), operating temperature range (-40°C to 85°C), mounting type (chassis mount), and package form (module, pre-wired). All listed substitutes meet these criteria.

Q: Are there packaging differences between substitute options?

A: Yes. OPB390N11Z uses bulk packaging, while some substitutes may use different packaging configurations. Verify packaging requirements for your specific procurement and assembly processes before selection.

Q: Do all substitute parts maintain the same compliance certifications?

A: Yes. All substitute parts listed are ROHS3 compliant, REACH unaffected, and carry identical environmental and safety certifications as the original OPB390N11Z.

Q: Which substitute offers the best inventory availability?

A: OPB370N55 provides the highest inventory level at 90,400 units, followed by OPB365N51 at 1,916 units. Inventory levels should be verified with your supplier for current availability.

Q: Can substitutes be used interchangeably in existing designs?

A: All listed substitutes maintain identical electrical and mechanical parameters, allowing direct substitution in existing circuit designs and mechanical assemblies. Verify mounting orientation and connector compatibility for your specific application.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message