Request Quote
(Ships tomorrow)
OPB982N51Z Equivalent & Substitute Parts
Part Overview
The OPB982N51Z is an optical sensor manufactured by TT Electronics/Optek Technology, part of the Photologic® series. This through-beam optical sensor operates at 0.125" (3.18mm) sensing distance with wire lead connections and chassis mount configuration. The part is currently obsolete, making equivalent substitute parts necessary for ongoing system maintenance and new designs requiring compatible optical sensing functionality.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | OPB982N51Z |
| 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 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the OPB982N51Z are qualified based on electrical and mechanical parameter equivalence within the Photologic® optical sensor family. All substitute parts maintain identical specifications 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
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Status: REACH Unaffected
Substitute parts differ only in base product designation (OPB932, OPB942, OPB982, OPB992 series) and packaging configuration (Bulk vs. Module, Wire Leads), with all variants maintaining full electrical and functional 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OPB982N51Z | 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 | 923 |
| 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 |
| 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 |
| OPB992P51Z | 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 | 69800 |
Engineering Selection Recommendations
All listed substitute parts are active production components from TT Electronics/Optek Technology, eliminating obsolescence risk associated with the OPB982N51Z. Each substitute maintains full electrical and mechanical compatibility with the original part specification.
Selection among substitute parts should be based on:
- Product Status: All substitutes are Active, ensuring long-term availability and supply chain stability
- Compliance: All substitutes maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the original part
- Inventory Availability: OPB992P51Z offers the highest inventory level (69,800 pcs), followed by OPB992N55Z (20,299 pcs), providing supply security for high-volume applications
- Base Product Series: OPB932, OPB942, OPB982, and OPB992 series variants are functionally interchangeable within the Photologic® optical sensor family
Frequently Asked Questions (FAQ)
Q: Can OPB982N51Z be directly replaced with any of the listed substitute parts?
A: Yes. All substitute parts maintain identical electrical specifications (15 mA supply current, 4.75V ~ 5.25V supply voltage, 70ns response time), identical sensing characteristics (0.125" through-beam sensing distance, totem pole inverted output), and identical operating parameters (-40°C ~ 70°C temperature range). Direct substitution is supported without circuit modification.
Q: What is the difference between OPB932, OPB942, OPB982, and OPB992 series parts?
A: Within the Photologic® family, these base product designations represent different sensor variants. However, the substitute parts listed maintain identical electrical and mechanical parameters to the OPB982N51Z, making them functionally equivalent for this application.
Q: Are there packaging differences among the substitute parts?
A: All substitute parts use Module, Wire Leads packaging with chassis mount configuration. Packaging designation (Bulk vs. Module, Wire Leads) reflects inventory management classification and does not affect electrical or mechanical compatibility.
Q: Why is OPB992P51Z recommended for high-volume applications?
A: OPB992P51Z maintains the largest inventory stock (69,800 pcs), ensuring supply availability for production volumes. This part is Active status and fully compliant with ROHS3 and REACH requirements.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the compliance status of the original OPB982N51Z.
Q: What is the Moisture Sensitivity Level (MSL) for substitute parts?
A: All substitute parts maintain MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
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




