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OPB983P55 Equivalent & Substitute Parts
Part Overview
The OPB983P55 is an optical sensor manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This through-beam optical sensor features a 0.125" (3.18mm) sensing distance with NPN open collector inverted output configuration and wire lead packaging for chassis mount applications. The OPB983P55 is classified as obsolete product status. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and meet current compliance requirements including RoHS3 certification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| 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 |
| Series | Photologic® |
Substitute Part Grouping Explanation
Substitute parts for the OPB983P55 are qualified based on electrical and mechanical parameter equivalence. All substitute parts maintain identical specifications across the following critical parameters: sensing distance (0.125" / 3.18mm), sensing method (through-beam), output configuration (NPN open collector inverted), supply current (15 mA), supply voltage range (4.75V ~ 5.25V), response time (70ns), operating temperature range (-40°C ~ 70°C), package type (module with wire leads), and mounting configuration (chassis mount). All substitute parts are manufactured by TT Electronics/Optek Technology within the Photologic® series. The primary distinction between the OPB983P55 and substitute parts is product status: the OPB983P55 is obsolete, while all qualified substitutes maintain active product status and comply with ROHS3 certification requirements.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Sensing Distance | Output Configuration | Supply Voltage | Supply Current | Response Time | Operating Temperature | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| OPB983P55 | TT Electronics/Optek Technology | Obsolete | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | RoHS non-compliant | 1057 |
| OPB933W51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 3489 |
| OPB933W55Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1243 |
| OPB943W51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1180 |
| OPB983L11Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 896 |
| OPB983L51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1900 |
| OPB983P11Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 998 |
| OPB983P51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 2108 |
| OPB983T51Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 20199 |
| OPB993L11Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 1716 |
| OPB993L55Z | TT Electronics/Optek Technology | Active | 0.125" (3.18mm) | NPN - Open Collector, Inverted | 4.75V ~ 5.25V | 15 mA | 70ns | -40°C ~ 70°C | ROHS3 Compliant | 722 |
Engineering Selection Recommendations
All listed substitute parts provide direct functional equivalence to the OPB983P55 across all electrical and mechanical parameters. Selection among substitute parts should prioritize active product status and ROHS3 compliance. The OPB983T51Z offers the highest inventory availability at 20,199 units, providing supply chain stability for high-volume applications. The OPB983P51Z and OPB983L51Z maintain the same base product designation (OPB983) as the original part, offering design continuity within the OPB983 family. Parts designated OPB933W51Z, OPB933W55Z, OPB943W51Z, OPB993L11Z, and OPB993L55Z represent alternative base product families within the Photologic® series that maintain identical electrical and mechanical specifications. All substitute parts comply with REACH requirements and carry EAR99 export classification consistent with the original part.
Frequently Asked Questions (FAQ)
Q: Can OPB983P55 be directly replaced with any of the listed substitute parts?
A: Yes. All listed substitute parts maintain identical electrical specifications (supply voltage 4.75V ~ 5.25V, supply current 15 mA, response time 70ns), mechanical specifications (0.125" sensing distance, through-beam sensing method, NPN open collector inverted output), operating temperature range (-40°C ~ 70°C), and package configuration (module with wire leads, chassis mount). Direct pin-for-pin and functional replacement is supported.
Q: What is the primary difference between the OPB983P55 and substitute parts?
A: The OPB983P55 is classified as obsolete product status and does not comply with ROHS3 certification. All substitute parts maintain active product status and are ROHS3 compliant, meeting current regulatory requirements for new designs and procurement.
Q: Are there differences between OPB983 family parts and OPB933 or OPB993 family parts?
A: All parts listed maintain identical electrical and mechanical parameters. Differences exist only in base product family designation and internal design variants. Selection between families does not affect circuit performance or compatibility.
Q: Which substitute part offers the best supply availability?
A: OPB983T51Z provides the highest inventory level at 20,199 units, followed by OPB933W51Z at 3,489 units and OPB983P51Z at 2,108 units.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 Compliant certification. The original OPB983P55 is RoHS non-compliant.
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