OPB355N Equivalent & Substitute Parts

Part Overview

The OPB355N is a through-beam optical sensor manufactured by TT Electronics/Optek Technology, designed for slotted optical switching applications. This component features a phototransistor output configuration and operates across an industrial temperature range of -40°C to 85°C. The OPB355N is classified as obsolete, making identification of compatible substitute components essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Substiute Parts

OPB355N

TT Electronics/Optek TechnologyIn Stock: 1037OPB355N Datasheet

Current PartRFQ

OPB355T

TT Electronics/Optek TechnologyIn Stock: 822OPB355T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the OPB355N is determined by strict alignment across the following critical parameters:

• Sensing Method: Through-Beam configuration
• Sensing Distance: 0.125" (3.18mm) optical path
• Output Configuration: Phototransistor output
• Mounting Type: Through Hole package
• Operating Temperature Range: -40°C to 85°C minimum
• Regulatory Compliance: ROHS3 Compliant, REACH Unaffected

The OPB355T qualifies as a direct substitute based on matching all specified electrical and mechanical parameters. The primary distinction is product status: OPB355T is classified as active, whereas OPB355N is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The OPB355T is the qualified substitute for OPB355N applications. Both components share identical electrical and mechanical specifications across all critical parameters. The OPB355T offers the advantage of active product status, ensuring ongoing availability and manufacturing support from TT Electronics/Optek Technology. Both parts maintain full ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for industrial and commercial applications. Selection between these components should be based on inventory availability and supply chain continuity requirements.

Frequently Asked Questions (FAQ)

Q: Can OPB355T directly replace OPB355N in existing designs?

A: Yes. The OPB355T matches all specified electrical and mechanical parameters of the OPB355N, including sensing distance, output configuration, mounting type, and operating temperature range. Through-hole mounting compatibility is maintained.

Q: What is the primary difference between OPB355N and OPB355T?

A: Product status. OPB355N is obsolete, while OPB355T is active. Both components share identical functional specifications and regulatory compliance certifications.

Q: Are there packaging differences between these parts?

A: OPB355N packaging is unspecified in available documentation. OPB355T is supplied in bulk packaging. Both utilize through-hole mounting configuration.

Q: Do both parts meet current regulatory requirements?

A: Yes. Both OPB355N and OPB355T are ROHS3 compliant and REACH unaffected, satisfying current environmental and regulatory standards.

Q: What is the sensing distance specification for these optical sensors?

A: Both components operate at a sensing distance of 0.125" (3.18mm) in through-beam configuration.