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OPB980N55Z Equivalent & Substitute Parts
Part Overview
The OPB980N55Z is a through-beam optical sensor module manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This component features a 0.125" (3.18mm) sensing distance with totem pole buffer output configuration and wire lead packaging for chassis mount applications. The part is currently classified as obsolete, making equivalent substitute parts necessary for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB980N55Z |
| 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 | 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 |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the OPB980N55Z are qualified based on strict electrical and mechanical parameter equivalence within the Photologic® optical sensor family. All substitute parts maintain identical specifications across the following critical parameters:
- Sensing distance: 0.125" (3.18mm)
- Sensing method: Through-beam
- Output configuration: Totem pole, buffer
- Supply voltage range: 4.75V ~ 5.25V
- Supply current: 15 mA
- Response time: 70ns
- Operating temperature range: -40°C ~ 70°C
- Package type: Module with wire leads
- Mounting configuration: Chassis mount
- Compliance certifications: ROHS3, REACH Unaffected, EAR99
Substitution is valid only when all electrical and mechanical parameters match exactly. Variations in part number suffix (such as L, P, T, W designations and 11Z, 51Z, 55Z packaging codes) indicate different internal configurations or packaging options that do not affect functional equivalence for this application category.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Sensing Distance | Sensing Method | Output Configuration | Supply Voltage | Supply Current | Response Time | Operating Temperature | Package Type | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB980N55Z | 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 | Module, Wire Leads | ROHS3 Compliant | 670 |
| OPB930W51Z | 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 | Module, Wire Leads | ROHS3 Compliant | 2332 |
| OPB940W51Z | 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 | Module, Wire Leads | ROHS3 Compliant | 2247 |
| OPB940W55Z | 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 | Module, Wire Leads | ROHS3 Compliant | 1300 |
| OPB980L11Z | 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 | Module, Wire Leads | ROHS3 Compliant | 1101 |
| OPB980L51Z | 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 | Module, Wire Leads | ROHS3 Compliant | 1063 |
| OPB980L55Z | 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 | Module, Wire Leads | ROHS3 Compliant | 20399 |
| OPB980P11Z | 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 | Module, Wire Leads | ROHS3 Compliant | 1055 |
| OPB980P51Z | 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 | Module, Wire Leads | ROHS3 Compliant | 2412 |
| OPB980P55Z | 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 | Module, Wire Leads | ROHS3 Compliant | 995 |
| OPB980T11Z | 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 | Module, Wire Leads | ROHS3 Compliant | 1067 |
Engineering Selection Recommendations
All listed substitute parts are functionally equivalent to the OPB980N55Z and maintain active product status with TT Electronics/Optek Technology. Each substitute part carries identical ROHS3 compliance certification and REACH unaffected status, ensuring regulatory alignment for new designs and legacy system replacements.
Selection among substitute parts should be based on inventory availability and packaging code requirements specific to your application. The OPB980L55Z offers the highest inventory level (20,399 units), providing supply chain stability for volume production. Alternative part numbers within the OPB980 and OPB940 base series provide equivalent functionality with varying packaging designations (L, P, T, W series codes and 11Z, 51Z, 55Z variants).
All substitute parts are manufactured by the same original equipment manufacturer and maintain identical electrical performance characteristics, including 70ns response time, 15 mA supply current, and 4.75V to 5.25V operating voltage range across the full -40°C to 70°C temperature specification.
Frequently Asked Questions (FAQ)
Q: Can OPB980N55Z be directly replaced with any of the listed substitute parts?
A: Yes. All listed substitute parts maintain identical electrical and mechanical specifications. Direct substitution is valid when all parameters match exactly, including sensing distance (0.125"), sensing method (through-beam), output configuration (totem pole buffer), supply voltage (4.75V ~ 5.25V), and package type (module with wire leads).
Q: What do the suffix codes (L, P, T, W) and packaging codes (11Z, 51Z, 55Z) represent?
A: These designations indicate internal configuration and packaging variations within the Photologic® sensor family. They do not affect functional equivalence for applications requiring the specified electrical and mechanical parameters. Consult the specific part datasheet for internal configuration details if your application has constraints on internal component selection.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 compliance certification and REACH unaffected status, matching the regulatory profile of the OPB980N55Z.
Q: Which substitute part should I select for new designs?
A: For new designs, select from active product status parts. The OPB980L55Z is recommended for volume applications due to highest inventory availability (20,399 units). Alternative active parts (OPB930W51Z, OPB940W51Z, OPB940W55Z, OPB980L11Z, OPB980L51Z, OPB980P11Z, OPB980P51Z, OPB980P55Z, OPB980T11Z) provide equivalent functionality with different packaging options.
Q: What is the operating temperature range for all substitute parts?
A: All substitute parts operate across the identical temperature range of -40°C to 70°C, matching the OPB980N55Z specification.
Q: Do substitute parts maintain the same response time?
A: Yes. All substitute parts maintain a 70ns response time, identical to the OPB980N55Z.
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