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OPB992T55Z Equivalent & Substitute Parts
Part Overview
The OPB992T55Z is an optical sensor manufactured by TT Electronics / Optek Technology, part of the Photologic® series. This through-beam optical sensor module features 0.125" (3.18mm) sensing distance with wire leads for chassis mount applications. The component is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified when all critical electrical and mechanical parameters—including sensing distance, output configuration, supply voltage, current draw, response time, operating temperature range, and package type—remain identical across different part number variants within the same product family.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB992T55Z |
| Manufacturer | TT Electronics / Optek Technology |
| Category | Optical Sensors |
| Series | Photologic® |
| Sensing Distance | 0.125" (3.18mm) |
| Sensing Method | Through-Beam |
| Output Configuration | Totem Pole, Inverted |
| Voltage - Supply | 4.75V ~ 5.25V |
| Current - Supply | 15 mA |
| Response Time | 70ns |
| Operating Temperature | -40°C ~ 70°C |
| Mounting Type | Chassis Mount |
| Package / Case | Module, Wire Leads |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8541.49.8000 |
Substitute Part Grouping Explanation
Substitute parts for the OPB992T55Z are determined by strict equivalence across all critical parameters. The following parameters must remain identical for a part to qualify as a direct substitute:
- Sensing Distance: 0.125" (3.18mm)
- Sensing Method: Through-Beam
- Output Configuration: Totem Pole, Inverted
- Supply Voltage Range: 4.75V ~ 5.25V
- Supply Current: 15 mA
- Response Time: 70ns
- Operating Temperature Range: -40°C ~ 70°C
- Mounting Type: Chassis Mount
- Package Type: Module, Wire Leads
- Compliance: ROHS3 Compliant, REACH Unaffected
All substitute parts listed below meet these criteria and are manufactured by TT Electronics / Optek Technology within the Photologic® series. Variations in part numbering reflect different internal configurations or manufacturing batches that do not affect electrical or mechanical compatibility.
Parameter Comparison
| Part Number | Sensing Distance | Output Configuration | Supply Voltage | Supply Current | Response Time | Operating Temperature | Package Type | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|
| OPB992T55Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 678 |
| OPB932W51Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1139 |
| OPB942W55Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1455 |
| OPB982P11Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 837 |
| OPB982P51Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1937 |
| OPB982T51Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1842 |
| OPB992L51Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1224 |
| OPB992N55Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 20299 |
| OPB992P51Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 69800 |
| OPB992T11Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 992 |
| OPB992T51Z | 0.125" (3.18mm) | Totem Pole, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 2479 |
Engineering Selection Recommendations
All listed substitute parts maintain identical electrical and mechanical specifications to the OPB992T55Z. Selection among equivalent parts should be based on inventory availability and supply chain requirements. All parts carry Active product status and maintain full ROHS3 compliance and REACH unaffected certification, ensuring regulatory compliance across all applications.
The OPB992P51Z variant offers the highest inventory level at 69,800 pieces, providing optimal supply chain stability. The OPB992N55Z provides secondary availability at 20,299 pieces. For applications requiring immediate procurement with lower volume requirements, OPB992T51Z, OPB982P51Z, and OPB982T51Z each maintain inventory above 1,800 pieces.
Frequently Asked Questions (FAQ)
Q: Can OPB992T55Z be directly replaced with any of the listed substitute parts?
A: Yes. All listed parts are direct electrical and mechanical equivalents. They share identical sensing distance, output configuration, supply voltage, current draw, response time, operating temperature range, and package type. No circuit modifications or mechanical redesign is required.
Q: What determines whether a part is a valid substitute for OPB992T55Z?
A: A part qualifies as a substitute when all critical parameters match: 0.125" (3.18mm) sensing distance, through-beam sensing method, totem pole inverted output, 4.75V–5.25V supply voltage, 15 mA supply current, 70ns response time, -40°C to 70°C operating temperature, chassis mount configuration, module with wire leads package, and ROHS3 compliance.
Q: Are there any differences in performance between OPB992T55Z and its substitutes?
A: No performance differences exist. All parts are manufactured by TT Electronics / Optek Technology within the Photologic® series and meet identical electrical and mechanical specifications.
Q: What is the difference between part number variants like OPB992T55Z, OPB992P51Z, and OPB992N55Z?
A: Part number variations reflect different manufacturing batches or internal configurations that do not affect electrical or mechanical compatibility. All variants maintain identical functional parameters and are interchangeable.
Q: Which substitute part should I select for new designs?
A: Selection should be based on current inventory availability and supply chain lead times. OPB992P51Z and OPB992N55Z offer the highest inventory levels and are recommended for designs requiring long-term supply assurance.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts carry ROHS3 compliance and REACH unaffected certification, meeting current regulatory requirements for electronic component manufacturing and use.
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