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OPB980L11Z Equivalent & Substitute Parts
Part Overview
The OPB980L11Z is an optical sensor manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This through-beam optical sensor operates with a 0.125" (3.18mm) sensing distance and features wire leads for chassis mount applications. The component is Active status and widely used in industrial sensing applications requiring reliable through-beam detection with fast response times.
Substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility allows for alternative configurations within the same electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Sensing Distance | 0.125" (3.18mm) |
| Sensing Method | Through-Beam |
| Output Configuration | Totem Pole, Buffer |
| Voltage Supply | 4.75V ~ 5.25V |
| Current Supply | 15 mA |
| Response Time | 70ns |
| Operating Temperature | -40°C ~ 70°C |
| Package Type | Module, Wire Leads |
| Mounting Type | Chassis Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the OPB980L11Z is determined by strict equivalence across the following parameters:
- Sensing distance: 0.125" (3.18mm)
- Sensing method: Through-Beam
- Output configuration: Totem Pole, Buffer
- 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
- Mounting type: Chassis Mount
- Compliance: ROHS3 Compliant, REACH Unaffected
All substitute parts listed maintain identical electrical performance and mechanical compatibility with the OPB980L11Z. Substitutes are grouped by base product number (OPB930, OPB940, OPB980, OPB990) with variations in packaging suffix codes that do not affect core functionality.
Parameter Comparison
| Part Number | Manufacturer | Series | Sensing Distance | Sensing Method | Output Config | Voltage Supply | Current Supply | Response Time | Operating Temp | Package Type | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB980L11Z | TT Electronics/Optek Technology | Photologic® | 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 | 1,101 |
| OPB930W51Z | TT Electronics/Optek Technology | Photologic® | 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 | 2,332 |
| OPB940W51Z | TT Electronics/Optek Technology | Photologic® | 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 | 2,247 |
| OPB940W55Z | TT Electronics/Optek Technology | Photologic® | 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 | 1,300 |
| OPB980L51Z | TT Electronics/Optek Technology | Photologic® | 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 | 1,063 |
| OPB980L55Z | TT Electronics/Optek Technology | Photologic® | 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 | 20,399 |
| OPB980P51Z | TT Electronics/Optek Technology | Photologic® | 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 | 2,412 |
| OPB980T11Z | TT Electronics/Optek Technology | Photologic® | 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 | 1,067 |
| OPB980T51Z | TT Electronics/Optek Technology | Photologic® | 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 | 5,869 |
| OPB980T55Z | TT Electronics/Optek Technology | Photologic® | 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 | 1,523 |
| OPB990L11Z | TT Electronics/Optek Technology | Photologic® | 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 | 2,944 |
Engineering Selection Recommendations
All listed substitute parts maintain full electrical and mechanical equivalence to the OPB980L11Z. Selection among substitutes should be based on:
Product Status: All parts are Active status, ensuring ongoing manufacturer support and availability.
Compliance Certifications: All substitutes carry identical ROHS3 Compliant and REACH Unaffected designations, meeting the same regulatory requirements as the primary part.
Inventory Availability: OPB980L55Z offers the highest inventory level at 20,399 units, providing maximum supply security. OPB980T51Z provides 5,869 units as a secondary option. All other substitutes maintain inventory above 1,000 units.
Base Product Families: Parts are available across four base product numbers (OPB930, OPB940, OPB980, OPB990), each with multiple packaging suffix variations. The suffix codes (L, T, P, W combined with 11, 51, 55) represent packaging and lead configuration options that do not affect core sensor performance.
Frequently Asked Questions (FAQ)
Q: Can OPB980L11Z be directly replaced with any of the listed substitutes?
A: Yes. All listed parts are electrically and mechanically equivalent. They share identical sensing distance (0.125"), sensing method (through-beam), output configuration (totem pole buffer), voltage supply (4.75V–5.25V), current draw (15 mA), response time (70ns), operating temperature range (-40°C to 70°C), and package type (module with wire leads). Direct substitution is supported without circuit modification.
Q: What do the suffix codes (L, T, P, W) and numbers (11, 51, 55) represent?
A: These suffix codes indicate packaging and lead configuration variants within the Photologic® series. They do not affect electrical performance or sensing characteristics. Selection among variants depends on specific mechanical mounting and lead routing requirements in your application.
Q: Are all substitutes ROHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 Compliant certification and REACH Unaffected status, matching the compliance profile of the OPB980L11Z.
Q: Which substitute offers the best supply availability?
A: OPB980L55Z maintains the highest inventory at 20,399 units. For secondary options, OPB980T51Z provides 5,869 units. Both are within the OPB980 base product family.
Q: Do substitutes from different base product families (OPB930, OPB940, OPB990) perform identically to OPB980?
A: Yes. All base product families listed (OPB930W51Z, OPB940W51Z, OPB940W55Z, OPB990L11Z) maintain identical electrical specifications and sensing performance as the OPB980 family. Selection among base families is determined by packaging and lead configuration requirements only.
Q: What is the operating temperature range for all substitutes?
A: All substitute parts operate across -40°C to 70°C, identical to the OPB980L11Z. This range supports industrial applications in both controlled and extended temperature environments.
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