OPB882N51Z Equivalent & Substitute Parts

Part Overview

The OPB882N51Z is an optical sensor through-beam phototransistor module manufactured by TT Electronics/Optek Technology. This component is classified as an unamplified optical sensor with a 0.125" (3.18mm) sensing distance and through-beam sensing method. The part is currently obsolete, making identification of equivalent and substitute parts essential for ongoing system support and component procurement.

Key Parameters

Parameter	Value
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
Package / Case	Module, Pre-Wired
Type	Unamplified
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the OPB882N51Z are identified 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 ratings: If (Max) 50 mA, Ic (Max) 30 mA
Voltage rating: Collector Emitter Breakdown 30 V
Operating temperature range: -40°C ~ 85°C
Package type: Module, Pre-Wired
Sensor type: Unamplified

Substitute parts are grouped into two categories: manufacturer-recommended substitutes and parametric equivalents. The primary distinction between these categories is product status and mounting configuration.

Parameter Comparison

Parameter	OPB882N51Z	OPB882T51Z	OPB880N11Z	OPB880N55Z
Manufacturer	TT Electronics/Optek Technology	TT Electronics/Optek Technology	TT Electronics/Optek Technology	TT Electronics/Optek Technology
Sensing Distance	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)	0.125" (3.18mm)
Sensing Method	Through-Beam	Through-Beam	Through-Beam	Through-Beam
Output Configuration	Phototransistor	Phototransistor	Phototransistor	Phototransistor
Current - DC Forward (If) (Max)	50 mA	50 mA	50 mA	50 mA
Current - Collector (Ic) (Max)	30 mA	30 mA	30 mA	30 mA
Voltage - Collector Emitter Breakdown (Max)	30 V	30 V	30 V	30 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	Module, Pre-Wired	Module, Pre-Wired	Module, Pre-Wired	Module, Pre-Wired
Type	Unamplified	Unamplified	Unamplified	Unamplified
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active
Mounting Type	Free Hanging	Chassis Mount	Free Hanging	Free Hanging

Engineering Selection Recommendations

For applications currently using the obsolete OPB882N51Z, the following selection criteria apply:

OPB882T51Z is the manufacturer-recommended substitute. This part maintains all electrical specifications and is currently in active production status. The primary difference is the mounting configuration, which changes from free hanging to chassis mount. This part is suitable for applications where chassis mounting is compatible with the system design.

OPB880N11Z and OPB880N55Z are parametric equivalents that maintain all electrical specifications and free hanging mounting configuration. Both parts are in active production status. These parts are suitable for applications requiring identical mounting characteristics to the original OPB882N51Z.

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring regulatory and environmental compatibility with the original component.

Frequently Asked Questions (FAQ)

Q: Can OPB882T51Z be used as a direct replacement for OPB882N51Z?

A: OPB882T51Z is electrically equivalent and maintains all critical electrical parameters. The mounting type differs (chassis mount versus free hanging). Compatibility depends on whether the application can accommodate the chassis mount configuration.

Q: What is the difference between OPB880N11Z and OPB880N55Z?

A: Both parts are parametric equivalents with identical electrical specifications and free hanging mounting. The difference lies in the base product number designation (OPB880 versus OPB882), but all critical electrical and mechanical parameters remain identical.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. OPB882T51Z, OPB880N11Z, and OPB880N55Z are all ROHS3 compliant, matching the compliance status of the original OPB882N51Z.

Q: What is the current availability status of substitute parts?

A: OPB882T51Z has 865 units in stock. OPB880N11Z has 1329 units in stock. OPB880N55Z has 945 units in stock. All substitute parts are in active production.

Q: Does mounting type affect electrical performance?

A: Mounting type does not affect electrical performance. The difference between free hanging and chassis mount is mechanical only and relates to physical installation method within the system.

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