HOA1406-003 Equivalent & Substitute Parts

Part Overview

The HOA1406-003 is a reflective optical sensor manufactured by Honeywell Sensing and Productivity Solutions, designed for applications requiring object detection at a sensing distance of 0.120" (3.05mm). This component features a photodarlington output configuration with pre-wired module packaging suitable for chassis mount installations. The product is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new design implementations. Substitute parts must maintain compatibility across sensing method, output type, electrical ratings, and environmental operating conditions.

Substiute Parts

HOA1406-003

Honeywell Sensing and Productivity SolutionsIn Stock: 878HOA1406-003 Datasheet

Current PartRFQ

OPB745WZ

TT Electronics/Optek TechnologyIn Stock: 2036OPB745WZ Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HOA1406-003 are identified based on strict alignment with the following critical parameters:

Sensing Method: Reflective optical sensing technology must be maintained to ensure functional equivalence in object detection applications.

Output Type: Photodarlington output configuration is required for circuit compatibility and signal processing consistency.

Voltage Rating: Maximum collector-emitter breakdown voltage of 15 V establishes the upper electrical compatibility threshold.

Current Ratings: Forward current (If) and collector current (Ic) specifications define load-driving capability and circuit integration requirements.

Mounting Configuration: Chassis mount with pre-wired module packaging ensures mechanical and installation compatibility.

Operating Temperature Range: The substitute must support the application's thermal environment within specified limits.

Environmental Compliance: RoHS and MSL ratings ensure regulatory compliance and reliability in manufacturing and field deployment.

The OPB745WZ from TT Electronics/Optek Technology qualifies as a substitute based on these parameters, with documented variations in sensing distance and maximum operating temperature noted in the parameter comparison table.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: OPB745WZ is the designated substitute for HOA1406-003 based on functional equivalence in reflective optical sensing, photodarlington output configuration, and electrical ratings.

Product Status Consideration: The HOA1406-003 is obsolete, while OPB745WZ maintains active production status, ensuring long-term availability and supply chain continuity.

Compliance Status: Both components meet RoHS requirements. OPB745WZ carries ROHS3 compliance, representing alignment with current regulatory standards. Both components have MSL rating of 1 (Unlimited), indicating no moisture sensitivity constraints during storage and handling.

Parameter Deviations: Selection of OPB745WZ introduces the following documented variations:

Sensing distance increases from 0.120" (3.05mm) to 0.150" (3.81mm), extending the detection range by 0.030" (0.76mm). This parameter change requires validation against application-specific object detection requirements.

Maximum forward current decreases from 50 mA to 40 mA. Circuit designs must confirm that load current requirements do not exceed 40 mA.

Maximum operating temperature decreases from 100°C to 80°C. Applications operating above 80°C require thermal environment reassessment.

Certification and Compliance: Both components carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, supporting equivalent regulatory and trade compliance profiles.

Frequently Asked Questions (FAQ)

Q: Can OPB745WZ directly replace HOA1406-003 in existing designs?

A: OPB745WZ is functionally equivalent for reflective optical sensing applications with photodarlington output. However, three parameter variations require validation: sensing distance (0.030" greater), maximum forward current (10 mA lower), and maximum operating temperature (20°C lower). Direct substitution is permissible only when application requirements fall within OPB745WZ specifications.

Q: What is the significance of the sensing distance difference between these parts?

A: HOA1406-003 operates at 0.120" (3.05mm) sensing distance, while OPB745WZ operates at 0.150" (3.81mm). The extended range of OPB745WZ may affect object detection accuracy and positioning tolerance in applications with tight spatial constraints. Applications must validate that the increased sensing distance does not compromise detection reliability or introduce false triggers.

Q: Are there thermal limitations when substituting OPB745WZ for HOA1406-003?

A: Yes. HOA1406-003 supports operating temperatures to 100°C, while OPB745WZ is rated to 80°C maximum. Applications requiring operation above 80°C cannot use OPB745WZ as a substitute. Thermal environment assessment is required for applications operating near or above 80°C.

Q: Do the current rating differences affect circuit design?

A: OPB745WZ has a maximum forward current rating of 40 mA compared to HOA1406-003 at 50 mA. Existing circuit designs must confirm that load current requirements do not exceed 40 mA. Designs drawing more than 40 mA forward current require modification or alternative component selection.

Q: Are both components RoHS compliant?

A: Yes. HOA1406-003 is RoHS Compliant, and OPB745WZ is ROHS3 Compliant. Both meet regulatory requirements for hazardous substance restrictions. OPB745WZ compliance with the current ROHS3 standard provides assurance of alignment with evolving regulatory frameworks.

Q: What is the packaging format for both components?

A: Both HOA1406-003 and OPB745WZ are supplied as Module, Pre-Wired packages with Chassis Mount configuration. Mechanical installation compatibility is maintained between these components.

Q: Why is HOA1406-003 listed as obsolete?

A: HOA1406-003 is classified as obsolete by the manufacturer, indicating discontinued production. OPB745WZ, maintained in active production status, provides continuity for applications requiring reflective optical sensor functionality with photodarlington output.