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OPB960L11 Equivalent & Substitute Parts
Part Overview
The OPB960L11 is a through-beam optical sensor manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This component is designed for 0.125" (3.18mm) PCB-mounted applications with totem pole buffer output configuration. The OPB960L11 is currently classified as obsolete, necessitating identification of active equivalent parts that maintain identical electrical and mechanical specifications for continued system support and new designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB960L11 |
| Manufacturer | TT Electronics/Optek Technology |
| Category | Optical Sensors |
| Series | Photologic® |
| Sensing Distance | 0.125" (3.18mm) |
| Sensing Method | Through-Beam |
| Output Configuration | Totem Pole, Buffer |
| Mounting Type | Through Hole |
| Voltage - Supply | 4.75V ~ 5.25V |
| Current - Supply | 15 mA |
| Response Time | 70ns |
| Operating Temperature | -40°C ~ 70°C |
| Package / Case | PCB Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution of the OPB960L11 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
- Voltage Supply Range: 4.75V ~ 5.25V
- Current Supply: 15 mA
- Response Time: 70ns
- Operating Temperature Range: -40°C ~ 70°C
- Package Type: PCB Mount
- Compliance Standards: ROHS3 Compliant, REACH Unaffected
All substitute parts listed maintain identical specifications across these parameters. The primary distinction between substitute options relates to product status (active vs. obsolete) and packaging configuration (bulk vs. original). Parts are grouped by base product number (OPB930 and OPB960 series) with variant suffixes indicating packaging and lead configuration differences.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Sensing Distance | Sensing Method | Output Configuration | Voltage Supply | Current Supply | Response Time | Operating Temperature | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB960L11 | TT Electronics/Optek | Obsolete | 0.125" (3.18mm) | Through-Beam | Totem Pole, Buffer | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1066 |
| OPB930L51 | TT Electronics/Optek | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 products manufactured by TT Electronics/Optek Technology and maintain full compliance with ROHS3 and REACH standards. The OPB960L11, classified as obsolete, should be replaced with an active equivalent for new designs and ongoing production support.
For applications requiring direct form-factor compatibility with existing PCB layouts, OPB960T11 and OPB960N11 provide the closest mechanical alignment as OPB960 series variants. OPB960T51 offers the highest inventory availability (20,199 units) for high-volume applications. OPB930L51 and OPB930L55 represent alternative base product series within the Photologic® family, maintaining identical electrical and sensing specifications.
Selection between substitute options should be based on packaging requirements (bulk vs. original), lead configuration variants (indicated by suffix letters), and inventory availability for production timelines.
Frequently Asked Questions (FAQ)
Q: Can OPB960L11 be directly replaced with any of the listed substitutes?
A: Yes. All listed parts maintain identical electrical specifications (4.75V ~ 5.25V supply, 15 mA current, 70ns response time), sensing parameters (0.125" through-beam), output configuration (totem pole buffer), and operating temperature range (-40°C ~ 70°C). Direct substitution is supported for applications where the OPB960L11 was originally specified.
Q: What is the difference between OPB960 and OPB930 series substitutes?
A: Both series are Photologic® optical sensors with identical sensing distance, method, output configuration, and electrical specifications. The base product number distinction (OPB960 vs. OPB930) reflects internal design variants within the same functional category. Both are suitable substitutes for the OPB960L11.
Q: What do the suffix letters (L, N, T, P) indicate?
A: Suffix letters denote lead configuration and packaging variants. All variants listed maintain the same electrical and mechanical specifications required for substitution. Selection should be based on PCB layout compatibility and packaging requirements (bulk vs. original).
Q: Is the OPB960L11 still available?
A: The OPB960L11 is classified as obsolete. While 1,066 units remain in inventory, active substitutes are recommended for new designs and long-term production support. OPB960T51 (20,199 units available) and OPB960N51 (8,810 units available) offer superior availability.
Q: Are all substitutes ROHS3 compliant?
A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
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