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OPB983T11Z Equivalent & Substitute Parts
Part Overview
The OPB983T11Z is a through-beam optical sensor module manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This 0.125" (3.18mm) sensing distance sensor features NPN open collector inverted output configuration with wire leads for chassis mount applications. The part is currently obsolete, making equivalent substitute parts necessary for ongoing system support and new designs requiring compatible optical sensing functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB983T11Z |
| Manufacturer | TT Electronics/Optek Technology |
| Category | Optical Sensors |
| Series | Photologic® |
| Sensing Distance | 0.125" (3.18mm) |
| Sensing Method | Through-Beam |
| Output Configuration | NPN - Open Collector, Inverted |
| 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 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the OPB983T11Z are qualified based on strict electrical and mechanical parameter matching across the following criteria:
Critical Matching Parameters:
- Sensing Distance: 0.125" (3.18mm)
- Sensing Method: Through-Beam
- Output Configuration: NPN - Open Collector, Inverted
- 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
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
- REACH Status: REACH Unaffected
All substitute parts listed maintain identical electrical performance specifications and environmental compliance ratings. Substitutes are grouped by base product number (OPB933, OPB943, OPB983, OPB993) with variations in packaging configuration and product status. Active product status substitutes provide ongoing availability advantages over the obsolete OPB983T11Z.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Sensing Distance | Sensing Method | Output Configuration | Current - Supply | Voltage - Supply | Response Time | Operating Temperature | Package / Case | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB983T11Z | TT Electronics/Optek Technology | Obsolete | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 798 |
| OPB933W51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 3489 |
| OPB933W55Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1243 |
| OPB943W51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1180 |
| OPB983L11Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 896 |
| OPB983L51Z | TT Electronics / Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1900 |
| OPB983P11Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 998 |
| OPB983P51Z | TT Electronics / Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 2108 |
| OPB983T51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 20199 |
| OPB993L11Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 1716 |
| OPB993L55Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | NPN - Open Collector, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | Module, Wire Leads | ROHS3 Compliant | 722 |
Engineering Selection Recommendations
All listed substitute parts maintain full electrical and mechanical compatibility with the OPB983T11Z. Selection should prioritize active product status parts to ensure long-term supply chain stability and ongoing manufacturer support.
OPB983T51Z offers the highest inventory availability (20,199 units) among active substitutes while maintaining identical electrical specifications and ROHS3 compliance. This part represents the optimal choice for new designs and high-volume applications requiring assured supply.
OPB983P51Z and OPB983L51Z provide alternative OPB983 base series options with substantial inventory levels (2,108 and 1,900 units respectively), suitable for applications where specific packaging variants are preferred.
OPB933W51Z and OPB943W51Z represent alternative base series options from the Photologic® family with active product status and confirmed inventory availability, providing additional sourcing flexibility.
All substitute parts carry ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements equivalent to the original OPB983T11Z specification.
Frequently Asked Questions (FAQ)
Q: Can OPB983T51Z directly replace OPB983T11Z in existing designs?
A: Yes. OPB983T51Z maintains identical electrical specifications including 0.125" (3.18mm) sensing distance, NPN open collector inverted output, 15 mA supply current, 4.75V–5.25V supply voltage, 70ns response time, and -40°C to 70°C operating temperature range. Both use module wire leads packaging with chassis mount configuration.
Q: What is the difference between OPB983T11Z and OPB983T51Z?
A: The primary difference is product status. OPB983T11Z is obsolete with limited inventory (798 units), while OPB983T51Z is active with substantial inventory (20,199 units). All electrical and mechanical parameters are identical.
Q: Are OPB933, OPB943, and OPB993 base series parts interchangeable with OPB983?
A: Yes, within the constraints of this substitute list. All listed parts from OPB933, OPB943, OPB983, and OPB993 base series maintain identical electrical specifications for sensing distance, output configuration, supply current, voltage range, response time, and operating temperature. They are mechanically compatible as module wire leads with chassis mount configuration.
Q: What do the suffix codes (T, L, P, W) and numbers (11, 51, 55) represent?
A: Suffix codes and numbers indicate packaging and configuration variants within the Photologic® series. All variants listed maintain the critical electrical parameters required for substitution: through-beam sensing method, NPN open collector inverted output, and identical electrical performance specifications.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 compliance and REACH unaffected status, meeting current environmental regulations equivalent to the original OPB983T11Z.
Q: Which substitute part has the best availability?
A: OPB983T51Z offers the highest inventory level at 20,199 units, making it the most readily available substitute for immediate procurement and high-volume applications.
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