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OPB70CWZ Equivalent & Substitute Parts
Part Overview
The OPB70CWZ is a reflective optical sensor manufactured by TT Electronics/Optek Technology, designed for applications requiring non-contact object detection at a sensing distance of 0.150" (3.81mm). The sensor features a red LED light source and transistor output, housed in a module with wire leads for chassis mount installation.
The OPB70CWZ is classified as obsolete. Locating equivalent or substitute components is necessary to support ongoing maintenance, repair, and new design requirements where this sensor type is specified.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Sensing Distance | 0.150" (3.81mm) |
| Sensing Method | Reflective |
| Output Type | Transistor |
| Voltage - Collector Emitter Breakdown (Max) | 30 V |
| Current - Collector (Ic) (Max) | 25 mA |
| Current - DC Forward (If) (Max) | 40 mA |
| Mounting Type | Chassis Mount |
| Operating Temperature Range | -40°C ~ 80°C |
| Package / Case | Module, Wire Leads |
Substitute Part Grouping Explanation
Substitution of the OPB70CWZ is determined by matching the following critical parameters:
- Sensing distance of 0.150" (3.81mm)
- Reflective sensing method
- Transistor output configuration
- Maximum collector-emitter breakdown voltage of 30 V
- Maximum collector current of 25 mA
- Maximum DC forward current of 40 mA
- Chassis mount installation capability
- Operating temperature range of -40°C to 80°C
- Module with wire leads package configuration
The OPB70DWZ meets all specified electrical and mechanical parameters and is classified as an active product, making it a direct substitute for the obsolete OPB70CWZ.
Parameter Comparison
| Parameter | OPB70CWZ (Main Part) | OPB70DWZ (Substitute) |
|---|---|---|
| Manufacturer | TT Electronics/Optek Technology | TT Electronics/Optek Technology |
| Product Status | Obsolete | Active |
| Sensing Distance | 0.150" (3.81mm) | 0.150" (3.81mm) |
| Sensing Method | Reflective | Reflective |
| Output Type | Transistor | Transistor |
| Voltage - Collector Emitter Breakdown (Max) | 30 V | 30 V |
| Current - Collector (Ic) (Max) | 25 mA | 25 mA |
| Current - DC Forward (If) (Max) | 40 mA | 40 mA |
| Mounting Type | Chassis Mount | Chassis Mount |
| Operating Temperature Range | -40°C ~ 80°C | -40°C ~ 80°C |
| Package / Case | Module, Wire Leads | Module, Wire Leads |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The OPB70DWZ is the direct substitute for the obsolete OPB70CWZ. Both components share identical electrical specifications, mechanical packaging, and environmental operating parameters. The OPB70DWZ maintains active product status with TT Electronics/Optek Technology, ensuring ongoing availability and supply chain continuity.
Both parts comply with ROHS3 requirements and are unaffected by REACH regulations, meeting current environmental and regulatory standards for electronic component procurement.
Frequently Asked Questions (FAQ)
Q: Can the OPB70DWZ be used as a direct replacement for the OPB70CWZ?
A: Yes. The OPB70DWZ is electrically and mechanically identical to the OPB70CWZ across all specified parameters, including sensing distance, output type, voltage ratings, current ratings, temperature range, and package configuration.
Q: What is the primary difference between these two parts?
A: The OPB70CWZ is obsolete, while the OPB70DWZ is an active product. The OPB70DWZ offers continued availability and supply chain support.
Q: Are there any packaging differences between the OPB70CWZ and OPB70DWZ?
A: Both parts use identical Module, Wire Leads packaging for chassis mount installation. No modifications to mechanical mounting or electrical connections are required when substituting between these parts.
Q: Do both parts meet current compliance standards?
A: Yes. Both the OPB70CWZ and OPB70DWZ are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
Q: What sensing distance does this optical sensor provide?
A: Both the OPB70CWZ and OPB70DWZ operate at a sensing distance of 0.150" (3.81mm) using reflective sensing methodology.
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