OPB892T55Z Equivalent & Substitute Parts

Part Overview

The OPB892T55Z is an optical sensor manufactured by TT Electronics/Optek Technology, designed as a through-beam phototransistor with PCB mount configuration. This component operates at a sensing distance of 0.125" (3.18mm) and is classified as an unamplified optical sensor. The part is currently active in production with 741 units in stock.

Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or design flexibility is required across compatible product variants within the OPB series. All substitute parts listed maintain identical electrical and mechanical specifications, ensuring direct functional equivalence.

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 Range	-40°C ~ 85°C
Mounting Type	Chassis Mount
Package / Case	PCB Mount
Type	Unamplified
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution eligibility for the OPB892T55Z is determined by strict parametric equivalence across the following critical specifications:

Sensing distance: 0.125" (3.18mm)
Sensing method: Through-Beam
Output configuration: Phototransistor
Maximum collector current: 30 mA
Maximum collector-emitter breakdown voltage: 30 V
Operating temperature range: -40°C ~ 85°C
Mounting configuration: Chassis Mount, PCB Mount
Compliance certifications: ROHS3, REACH Unaffected

All substitute parts listed maintain these parameters without deviation. Substitutes are drawn from the OPB890 and OPB891 base product families, which share identical electrical performance characteristics and mechanical compatibility with the OPB892T55Z.

Parameter Comparison

Part Number	Manufacturer	Product Status	Sensing Distance	Sensing Method	Output Configuration	Ic (Max)	VCE Breakdown (Max)	Operating Temperature	Mounting Type	Package / Case	RoHS Status	Inventory (Pcs)
OPB892T55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	PCB Mount	ROHS3 Compliant	741
OPB890L11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	PCB Mount	ROHS3 Compliant	3656
OPB890T11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	PCB Mount	ROHS3 Compliant	1277
OPB890T55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	PCB Mount	ROHS3 Compliant	1452
OPB891T51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	PCB Mount	ROHS3 Compliant	1420
OPB891T55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Phototransistor	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	PCB Mount	ROHS3 Compliant	1309
OPB890L55Z	TT Electronics/Optek Technology	Obsolete	0.125" (3.18mm)	Through-Beam	Phototransistor	30 mA	30 V	-40°C ~ 85°C	Chassis Mount	PCB Mount	ROHS3 Compliant	858

Engineering Selection Recommendations

All substitute parts listed are parametrically equivalent to the OPB892T55Z and maintain full compliance with ROHS3 and REACH requirements. Selection among active alternatives should prioritize inventory availability and product status.

Five substitute parts maintain active production status: OPB890L11Z, OPB890T11Z, OPB890T55Z, OPB891T51Z, and OPB891T55Z. These parts are suitable for new designs and ongoing production applications.

The OPB890L55Z is classified as obsolete and should be avoided for new applications, though it remains parametrically equivalent and available in inventory.

Frequently Asked Questions (FAQ)

Q: Can OPB890 series parts directly replace OPB892T55Z?

A: Yes. OPB890L11Z, OPB890T11Z, and OPB890T55Z are parametrically equivalent to OPB892T55Z across all critical electrical and mechanical specifications. PCB mount configuration and sensing distance remain identical.

Q: Are OPB891 series parts compatible with OPB892T55Z applications?

A: Yes. OPB891T51Z and OPB891T55Z maintain identical electrical performance, operating temperature range, and mounting configuration. All parameters required for functional equivalence are matched.

Q: What is the difference between OPB890L55Z and other substitutes?

A: OPB890L55Z is classified as obsolete, while all other listed substitutes maintain active production status. Electrical and mechanical parameters are identical. For new designs, active alternatives are preferred.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 Compliant certification and REACH Unaffected status, matching the compliance profile of OPB892T55Z.

Q: Does sensing distance remain constant across all substitutes?

A: Yes. All substitute parts operate at 0.125" (3.18mm) sensing distance with through-beam configuration, ensuring compatibility in applications designed for OPB892T55Z.

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