OPB982P55 Equivalent & Substitute Parts

Part Overview

The OPB982P55 is an optical sensor through-beam module manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This component is a 0.125" (3.18mm) sensing distance optical sensor with wire leads, designed for chassis mount applications. The OPB982P55 is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring this functional category.

Key Parameters

Parameter	Value
Sensing Distance	0.125" (3.18mm)
Sensing Method	Through-Beam
Output Configuration	Totem Pole, Inverted
Mounting Type	Chassis Mount
Current - Supply	15 mA
Voltage - Supply	4.75V ~ 5.25V
Response Time	70ns
Operating Temperature	-40°C ~ 70°C
Package / Case	Module, Wire Leads
Series	Photologic®

Substitute Part Grouping Explanation

Substitute parts for the OPB982P55 are qualified based on matching the following critical parameters:

Sensing Distance: 0.125" (3.18mm)
Sensing Method: Through-Beam
Output Configuration: Totem Pole, Inverted
Mounting Type: Chassis Mount
Current - Supply: 15 mA
Voltage - Supply: 4.75V ~ 5.25V
Response Time: 70ns
Operating Temperature: -40°C ~ 70°C
Package / Case: Module, Wire Leads
Series: Photologic®

All substitute parts listed maintain electrical and mechanical compatibility with the OPB982P55 across these parameters. Substitutes differ in product status (active vs. obsolete), RoHS compliance level, and packaging configuration (bulk vs. other formats), but retain functional equivalence for circuit-level integration.

Parameter Comparison

Part Number	Manufacturer	Product Status	Sensing Distance	Sensing Method	Output Configuration	Current - Supply	Voltage - Supply	Response Time	Operating Temperature	RoHS Status	Inventory (Pcs)
OPB982P55	TT Electronics/Optek Technology	Obsolete	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	RoHS non-compliant	820
OPB932W51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	1139
OPB932W55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	866
OPB942W55Z	TT Electronics / Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	1455
OPB982P11Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	837
OPB982P51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	1937
OPB982T51Z	TT Electronics / Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	1842
OPB982T55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	830
OPB992L51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	1224
OPB992N55Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	20299
OPB992P51Z	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Inverted	15 mA	4.75V ~ 5.25V	70ns	-40°C ~ 70°C	ROHS3 Compliant	69800

Engineering Selection Recommendations

All listed substitute parts maintain functional equivalence to the OPB982P55 across electrical and mechanical parameters. The primary distinction between the OPB982P55 and substitute options is product status and regulatory compliance.

The OPB982P55 is classified as obsolete and carries RoHS non-compliant status. All substitute parts listed are active products with ROHS3 compliance, making them suitable for new designs and systems requiring regulatory adherence.

For applications requiring direct replacement in existing designs, OPB982P51Z and OPB982T51Z maintain the same base product number (OPB982) as the original part, differing only in packaging and compliance certifications. OPB992P51Z offers the highest inventory availability (69,800 units) among active substitutes, while OPB942W55Z and OPB992N55Z provide alternative base product options with substantial stock levels.

Frequently Asked Questions (FAQ)

Q: Can I directly substitute any of these parts for the OPB982P55?

A: Yes. All listed parts maintain identical electrical specifications (15 mA supply current, 4.75V–5.25V supply voltage, 70ns response time) and mechanical parameters (0.125" sensing distance, through-beam sensing method, totem pole inverted output, chassis mount configuration). Functional compatibility is assured across all substitute options.

Q: What is the difference between OPB982P55 and OPB982P51Z?

A: Both parts share the OPB982 base product number and identical electrical and mechanical specifications. The primary differences are product status (OPB982P55 is obsolete; OPB982P51Z is active) and RoHS compliance (OPB982P55 is non-compliant; OPB982P51Z is ROHS3 compliant). OPB982P51Z is the recommended active equivalent.

Q: Why are there multiple OPB9xx series options?

A: The OPB932, OPB942, and OPB992 base product numbers represent different variants within the Photologic® series. All variants listed maintain the same electrical performance and sensing characteristics required for substitution. Selection among these variants depends on availability and design requirements.

Q: Does packaging affect electrical performance?

A: No. Packaging differences (bulk vs. other formats) do not affect electrical or mechanical performance. All parts maintain identical electrical specifications and sensing characteristics regardless of packaging configuration.

Q: Which substitute part has the best availability?

A: OPB992P51Z has the highest inventory level at 69,800 units. OPB992N55Z follows with 20,299 units. Both are active products with ROHS3 compliance.

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