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OPB990N11Z Equivalent & Substitute Parts
Part Overview
The OPB990N11Z is a through-beam optical sensor from TT Electronics/Optek Technology's Photologic® series, designed for 0.125" (3.18mm) sensing distance applications with wire lead connections. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing system support and new designs requiring compatible functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB990N11Z |
| 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 |
| Voltage - Supply | 4.75V ~ 5.25V |
| Current - Supply | 15 mA |
| 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 OPB990N11Z are qualified based on strict electrical and mechanical parameter matching within the Photologic® optical sensor family. All substitute candidates maintain identical specifications across the following critical parameters:
- Sensing Distance: 0.125" (3.18mm)
- Sensing Method: Through-Beam
- Output Configuration: Totem Pole, Buffer
- Mounting Type: Chassis Mount
- Voltage Supply Range: 4.75V ~ 5.25V
- Current Supply: 15 mA
- Response Time: 70ns
- Operating Temperature Range: -40°C ~ 70°C
- Package Type: Module, Wire Leads
- RoHS Compliance: ROHS3 Compliant
- REACH Status: REACH Unaffected
All substitute parts are manufactured by TT Electronics/Optek Technology and belong to the same Photologic® series. Substitutes are differentiated only by internal packaging variants (bulk packaging) and active product status, making them direct functional equivalents for the obsolete OPB990N11Z.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Sensing Distance | Sensing Method | Output Configuration | Voltage Supply | Current Supply | Response Time | Operating Temperature | Package Type | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB990N11Z | 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 | 1031 |
| 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 maintain full electrical and mechanical compatibility with the OPB990N11Z. Selection among active alternatives should prioritize inventory availability and product status. OPB980L55Z offers the highest inventory level (20,399 units), ensuring supply chain continuity. All substitute candidates carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.
The transition from the obsolete OPB990N11Z to any active substitute part within this family presents no functional degradation, as all parameters remain constant across the Photologic® series variants.
Frequently Asked Questions (FAQ)
Q: Can OPB980L55Z directly replace OPB990N11Z in existing designs?
A: Yes. Both parts share identical electrical specifications (4.75V ~ 5.25V supply, 15 mA current, 70ns response time), mechanical configuration (0.125" sensing distance, through-beam method, totem pole buffer output), and package type (module with wire leads). No circuit modifications are required.
Q: What differentiates the substitute part numbers if all parameters are identical?
A: Part number variations reflect internal packaging designations within the Photologic® series. The alphanumeric suffixes (L, P, T, W) and numeric codes (11, 51, 55) indicate packaging variants and manufacturing batches. Electrical and mechanical performance remains constant across all variants.
Q: Are all substitute parts currently in production?
A: All listed substitutes carry active product status, indicating current manufacturing availability. The OPB990N11Z is classified as obsolete and no longer produced.
Q: Do substitute parts meet the same compliance standards as the original?
A: Yes. All substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance profile of OPB990N11Z.
Q: Which substitute offers the best supply availability?
A: OPB980L55Z maintains the highest inventory level at 20,399 units, providing optimal supply chain security for volume applications.
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