Request Quote
(Ships tomorrow)
OPB993N55Z Equivalent & Substitute Parts
Part Overview
The OPB993N55Z is a through-beam optical sensor module manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This component is classified as an optical sensor with 0.125" (3.18mm) sensing distance, designed for chassis mount applications with NPN open collector inverted output configuration. The OPB993N55Z is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB993N55Z |
| 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
Substitution for the OPB993N55Z is determined by strict electrical and mechanical parameter matching across the Photologic® optical sensor family. All substitute parts maintain identical specifications in the following critical 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
Substitute parts are grouped by base product number (OPB933, OPB943, OPB983, OPB993) with variations in packaging designation and product status. All listed substitutes are active products with current manufacturing status, providing improved availability compared to the obsolete OPB993N55Z.
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB993N55Z | 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 | 973 |
| 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 OPB993N55Z. Selection among active alternatives should prioritize product status and inventory availability. All substitute parts carry ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original component.
OPB983T51Z offers the highest current inventory level at 20,199 units, providing optimal supply chain stability. OPB933W51Z and OPB983P51Z provide secondary options with substantial inventory levels of 3,489 and 2,108 units respectively. All active alternatives are manufactured by TT Electronics/Optek Technology within the Photologic® series, ensuring consistent design and performance characteristics.
Frequently Asked Questions (FAQ)
Q: Can OPB933, OPB943, OPB983, and OPB993 series parts be used interchangeably with OPB993N55Z?
A: Yes. All listed substitute parts maintain identical electrical specifications including sensing distance (0.125"), sensing method (through-beam), output configuration (NPN open collector inverted), supply current (15 mA), supply voltage (4.75V ~ 5.25V), response time (70ns), operating temperature range (-40°C ~ 70°C), and package type (module with wire leads). Substitution is valid across all base product numbers within this parameter set.
Q: What is the difference between packaging designations in the part numbers?
A: The alphanumeric suffixes in part numbers (such as W51Z, L55Z, P11Z, T51Z) indicate internal packaging variations and manufacturing designations. These variations do not affect electrical performance or mechanical compatibility. All listed parts are supplied in bulk packaging and maintain identical functional specifications.
Q: Why is OPB993N55Z listed as obsolete?
A: OPB993N55Z has reached end-of-life status. All active substitute parts provide equivalent functionality with current manufacturing support and improved availability. Transition to any active alternative ensures continued supply chain access and manufacturing support.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 compliance certification and REACH unaffected status, matching the regulatory requirements of the original OPB993N55Z component.
Q: Which substitute part offers the best availability?
A: OPB983T51Z provides the highest inventory level at 20,199 units in stock, followed by OPB933W51Z at 3,489 units and OPB983P51Z at 2,108 units. All three options provide robust supply chain availability for immediate procurement.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts