OPB970L11 Equivalent & Substitute Parts

Part Overview

The OPB970L11 is a through-beam optical sensor manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This component is designed for PCB mount applications with a 0.125" (3.18mm) sensing distance and totem pole/buffer output configuration. The OPB970L11 is currently classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. Active alternatives within the same product family maintain identical electrical and mechanical specifications, ensuring direct functional replacement capability.

Key Parameters

Parameter	Value
Sensing Distance	0.125" (3.18mm)
Sensing Method	Through-Beam
Output Configuration	Totem Pole, Buffer
Mounting Type	Through Hole
Supply Voltage	4.75V ~ 5.25V
Supply Current	15 mA
Response Time	70ns
Operating Temperature Range	-40°C ~ 70°C
Package / Case	PCB Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the OPB970L11 is determined by strict equivalence across the following critical parameters:

Sensing distance: 0.125" (3.18mm)
Sensing method: Through-beam
Output configuration: Totem pole, buffer
Mounting type: Through hole
Supply voltage range: 4.75V ~ 5.25V
Supply current: 15 mA
Response time: 70ns
Operating temperature range: -40°C ~ 70°C
Package type: PCB mount
RoHS compliance: ROHS3 compliant

All substitute parts listed maintain identical specifications across these parameters. Substitution is based on product status transition from obsolete to active alternatives within the TT Electronics/Optek Technology Photologic® optical sensor family. The OPB960 and OPB930 base product numbers represent active production variants that satisfy all electrical and mechanical requirements of the OPB970L11.

Parameter Comparison

Part Number	Manufacturer	Product Status	Sensing Distance	Sensing Method	Output Configuration	Supply Voltage	Supply Current	Response Time	Operating Temperature	RoHS Status	Inventory (Pcs)
OPB970L11	TT Electronics/Optek Technology	Obsolete	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1039
OPB930L51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1285
OPB930L55	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	672
OPB960L51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1073
OPB960N11	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1052
OPB960N51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	8810
OPB960N55	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1745
OPB960P51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1144
OPB960T11	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1065
OPB960T51	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	20199
OPB960T55	TT Electronics/Optek Technology	Active	0.125" (3.18mm)	Through-Beam	Totem Pole, Buffer	4.75V ~ 5.25V	15 mA	70ns	-40°C ~ 70°C	ROHS3 Compliant	1239

Engineering Selection Recommendations

All listed substitute parts are active production components manufactured by TT Electronics/Optek Technology and maintain ROHS3 compliance with REACH unaffected status. The OPB960T51 variant offers the highest inventory availability at 20,199 units, providing supply chain stability for high-volume applications. The OPB960N51 variant maintains 8,810 units in stock, representing a secondary option with substantial availability.

For applications requiring immediate component sourcing, OPB960T51 and OPB960N51 are recommended based on inventory levels. All substitute parts satisfy identical electrical performance requirements, thermal operating ranges, and regulatory compliance standards as the obsolete OPB970L11.

Frequently Asked Questions (FAQ)

Q: Can OPB960 series parts directly replace the OPB970L11?

A: Yes. OPB960 series optical sensors (OPB960L51, OPB960N11, OPB960N51, OPB960N55, OPB960P51, OPB960T11, OPB960T51, OPB960T55) maintain identical electrical specifications, sensing distance, output configuration, and operating parameters as the OPB970L11. All are active production components.

Q: Can OPB930 series parts directly replace the OPB970L11?

A: Yes. OPB930 series optical sensors (OPB930L51, OPB930L55) maintain identical electrical specifications, sensing distance, output configuration, and operating parameters as the OPB970L11. Both are active production components.

Q: What is the difference between OPB960 and OPB930 base product numbers?

A: Both OPB960 and OPB930 base product numbers represent distinct active product lines within the Photologic® family. All variants listed maintain identical electrical and mechanical specifications required for OPB970L11 substitution. Selection between these families is based on inventory availability and supply chain considerations.

Q: Are there packaging differences between substitute parts?

A: All substitute parts are supplied in bulk packaging and maintain PCB mount through-hole configuration identical to the OPB970L11. No mechanical or electrical packaging modifications are required for installation.

Q: Do all substitute parts meet the same compliance standards?

A: Yes. All substitute parts are ROHS3 compliant with REACH unaffected status, matching the regulatory compliance profile of the OPB970L11.

Q: What is the significance of the suffix letters in part numbers (L, N, P, T)?

A: Suffix designations represent internal product variants within the Photologic® family. All variants listed maintain identical electrical performance, sensing distance, output configuration, supply voltage, current draw, response time, and operating temperature range required for direct substitution of the OPB970L11.

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