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OPB982N55Z Equivalent & Substitute Parts
Part Overview
The OPB982N55Z is an optical sensor from TT Electronics / Optek Technology's Photologic® series, designed as a through-beam sensor with 0.125" (3.18mm) sensing distance and wire lead module packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs. The sensor operates with totem pole inverted output configuration, suitable for chassis mount applications requiring through-beam optical detection.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB982N55Z |
| 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 |
| 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
Substitution for the OPB982N55Z is determined by strict equivalence across the following critical parameters:
- Sensing Distance: 0.125" (3.18mm)
- Sensing Method: Through-Beam
- Output Configuration: Totem Pole, 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
Substitute parts are grouped into two categories:
Category 1: Direct Electrical Equivalents (Totem Pole Output) Parts maintaining identical output configuration and all electrical specifications: OPB932W51Z, OPB932W55Z, OPB942W55Z, OPB982P11Z, OPB982P51Z, OPB982T51Z, OPB982T55Z, OPB992L51Z, OPB992N55Z.
Category 2: Output Configuration Variant (NPN Open Collector) Part with different output configuration but matching all other parameters: OPB983L51Z. This part operates with NPN - Open Collector, Inverted output instead of totem pole configuration and requires circuit redesign for compatibility.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Sensing Distance | Sensing Method | Output Configuration | Current - Supply | Voltage - Supply | Response Time | Operating Temperature | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB982N55Z | TT Electronics / Optek Technology | Obsolete | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 812 |
| OPB932W51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1139 |
| OPB932W55Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 866 |
| OPB942W55Z | TT Electronics / Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1455 |
| OPB982P11Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 837 |
| OPB982P51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1937 |
| OPB982T51Z | TT Electronics / Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1842 |
| OPB982T55Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 830 |
| 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 | ROHS3 Compliant | 1900 |
| OPB992L51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1224 |
| OPB992N55Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | Through-Beam | Totem Pole, Inverted | 15 mA | 4.75V ~ 5.25V | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 20299 |
Engineering Selection Recommendations
For direct replacement of the obsolete OPB982N55Z, select from active status parts maintaining totem pole output configuration: OPB932W51Z, OPB932W55Z, OPB942W55Z, OPB982P11Z, OPB982P51Z, OPB982T51Z, OPB982T55Z, OPB992L51Z, or OPB992N55Z. All substitute parts maintain ROHS3 compliance and identical electrical specifications.
OPB992N55Z offers the highest inventory availability (20,299 pcs) among active equivalents, providing supply chain stability for production applications. OPB982P51Z and OPB982T51Z provide secondary options with substantial inventory (1,937 and 1,842 pcs respectively).
OPB983L51Z is electrically compatible but requires circuit redesign due to NPN - Open Collector output configuration differing from the original totem pole output. This part is suitable only for applications where output stage modification is feasible.
Frequently Asked Questions (FAQ)
Q: Can OPB983L51Z be used as a direct drop-in replacement for OPB982N55Z?
A: No. OPB983L51Z uses NPN - Open Collector output configuration while OPB982N55Z uses totem pole output. Circuit redesign is required to accommodate the different output stage characteristics.
Q: What is the primary difference between the substitute parts listed?
A: All totem pole output substitutes (OPB932W51Z, OPB932W55Z, OPB942W55Z, OPB982P11Z, OPB982P51Z, OPB982T51Z, OPB982T55Z, OPB992L51Z, OPB992N55Z) maintain identical electrical and mechanical specifications. Differences exist only in base product number designation and packaging variants, which do not affect functional compatibility.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts maintain ROHS3 compliance matching the original OPB982N55Z specification.
Q: Which substitute part has the best supply availability?
A: OPB992N55Z provides the highest inventory level at 20,299 pcs, followed by OPB982P51Z at 1,937 pcs and OPB982T51Z at 1,842 pcs.
Q: Do all substitute parts operate within the same temperature range?
A: Yes. All substitute parts operate across the identical temperature range of -40°C to 70°C.
Q: Is packaging different between substitute parts?
A: All parts maintain Module, Wire Leads package configuration. Packaging designation (Bulk) is consistent across active substitute parts.
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