OPB882P51Z Equivalent & Substitute Parts

Part Overview

The OPB882P51Z is an optical sensor through-beam phototransistor module manufactured by TT Electronics/Optek Technology. This chassis-mount, pre-wired module operates with a 0.125" (3.18mm) sensing distance and unamplified phototransistor output configuration. 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	OPB882P51Z
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 OPB882P51Z 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 differentiated by product status (active versus obsolete) and packaging configuration. The OPB882T51Z serves as the manufacturer-recommended direct replacement with active product status. Additional parametric equivalents from the OPB360, OPB365, OPB370, OPB375, and OPB380 series provide functionally equivalent alternatives with identical electrical and mechanical characteristics.

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
OPB882P51Z	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	1068 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

The OPB882T51Z is the manufacturer-recommended direct replacement for the obsolete OPB882P51Z. Both parts share identical electrical and mechanical specifications with the primary distinction being active product status and bulk packaging for the OPB882T51Z.

All listed substitute parts maintain full electrical and mechanical equivalence to the OPB882P51Z. Selection among the OPB360, OPB365, OPB370, OPB375, and OPB380 series should be based on application-specific requirements and inventory availability. All substitute parts carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component deployment.

The OPB370N55 variant offers the highest inventory availability at 90,400 units, providing supply chain stability for high-volume applications. All substitute parts operate within the identical temperature range of -40°C to 85°C and maintain the same current and voltage specifications as the original OPB882P51Z.

Frequently Asked Questions (FAQ)

Q: Can OPB882T51Z directly replace OPB882P51Z in existing designs?

A: Yes. The OPB882T51Z is the manufacturer-recommended replacement with identical electrical and mechanical parameters. The primary difference is active product status and packaging configuration (bulk versus original packaging).

Q: What distinguishes the OPB360, OPB365, OPB370, OPB375, and OPB380 series from the OPB882 series?

A: All parts within these series maintain identical sensing distance, sensing method, output configuration, current ratings, voltage ratings, operating temperature range, mounting type, package configuration, and type classification. The series designation reflects internal design variations that do not affect electrical or mechanical compatibility for applications requiring these specifications.

Q: Are all substitute parts ROHS3 compliant?

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

Q: Does packaging configuration affect electrical performance?

A: No. Packaging differences (such as bulk versus pre-packaged configurations) do not affect electrical performance or mechanical compatibility. Selection should be based on procurement and inventory management requirements.

Q: What is the operating temperature range for all substitute parts?

A: All substitute parts operate within -40°C to 85°C, identical to the original OPB882P51Z specification.

Q: Are there inventory considerations when selecting a substitute part?

A: Yes. Inventory levels vary across substitute parts. The OPB370N55 offers the highest availability at 90,400 units. Other parts range from 648 to 1,916 units. Availability should be confirmed with your supplier for time-sensitive applications.

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