OPB882L51Z Equivalent & Substitute Parts

Part Overview

The OPB882L51Z is an optical sensor through-beam phototransistor module manufactured by TT Electronics/Optek Technology. This chassis-mount, pre-wired module provides 0.125" (3.18mm) sensing distance with phototransistor output configuration and unamplified signal processing. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring this sensor category.

Key Parameters

Parameter	Value
Manufacturer Part Number	OPB882L51Z
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 OPB882L51Z are qualified based on strict electrical and mechanical parameter matching. All substitute parts 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 are categorized as either MFR Recommended (manufacturer-endorsed direct replacement) or Parametric Equivalent (functionally equivalent with identical electrical and mechanical characteristics). All substitute parts are classified as Active product status, ensuring ongoing availability and 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
OPB882L51Z	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	1072 Pcs
OPB882T51Z	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	865 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 substitute parts listed maintain full electrical and mechanical compatibility with the OPB882L51Z. Selection between substitute options is determined by product availability and active manufacturing status.

OPB882T51Z is the manufacturer-recommended direct replacement, classified as Active product status with 865 units in stock. This part is the primary choice for new designs and ongoing system support.

OPB370N55 offers the highest inventory availability at 90,400 units, providing supply chain stability for high-volume applications. OPB365N51 provides 1,916 units in stock, supporting medium to high-volume requirements.

All substitute parts comply with ROHS3 and REACH requirements, maintaining regulatory compliance equivalent to the original OPB882L51Z specification. Moisture sensitivity level remains constant at MSL 1 (Unlimited) across all options.

Frequently Asked Questions (FAQ)

Q: Can OPB882T51Z directly replace OPB882L51Z in existing designs?

A: Yes. OPB882T51Z is the manufacturer-recommended replacement with identical electrical and mechanical parameters. The primary difference is product status (Active vs. Obsolete) and packaging designation (Bulk vs. standard).

Q: What is the difference between parametric equivalent parts and the MFR recommended part?

A: OPB882T51Z is manufacturer-recommended by TT Electronics/Optek Technology as the direct replacement. Parametric equivalent parts (OPB360N51, OPB365N11, OPB365N51, OPB365P55, OPB370N51, OPB370N55, OPB375N51, OPB380N11Z, OPB380P51Z) are functionally equivalent with identical electrical and mechanical specifications but represent alternative product lines within the OPB series.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 Compliant status and REACH Unaffected classification, matching the regulatory compliance of the original OPB882L51Z.

Q: What determines substitution eligibility for optical sensor through-beam phototransistor modules?

A: Substitution is based on 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), package type (Module, Pre-Wired), and signal type (Unamplified).

Q: Which substitute part offers the best inventory availability?

A: OPB370N55 provides the highest inventory level at 90,400 units in stock, followed by OPB365N51 with 1,916 units.

Q: Is the MSL rating identical across all substitute parts?

A: Yes. All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity level, matching the original OPB882L51Z specification.

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