OPB355L Equivalent & Substitute Parts

Part Overview

The OPB355L is a slotted optical sensor manufactured by TT Electronics/Optek Technology, designed for through-beam sensing applications with a 0.125" (3.18mm) sensing distance. This component features phototransistor output configuration and through-hole mounting. The OPB355L is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

OPB355L

TT Electronics/Optek TechnologyIn Stock: 894OPB355L Datasheet

Current PartRFQ

OPB355T

TT Electronics/Optek TechnologyIn Stock: 822OPB355T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the OPB355L is determined by matching the following critical parameters:

• Sensing distance: 0.125" (3.18mm)
• Sensing method: Through-beam optical detection
• Output configuration: Phototransistor
• Mounting type: Through-hole package
• Operating temperature range: -40°C ~ 85°C minimum
• Regulatory compliance: ROHS3 and REACH requirements

The OPB355T qualifies as a direct substitute based on identical values across all critical electrical and mechanical parameters. The primary distinction is product status: OPB355T is active and currently available, whereas OPB355L is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The OPB355T is the appropriate substitute for OPB355L applications. Both components share identical electrical and mechanical specifications across all critical parameters. The OPB355T maintains active product status with current manufacturing availability, whereas the OPB355L is obsolete. For new designs and replacement applications, OPB355T should be selected to ensure long-term supply chain continuity and component availability. Both components meet ROHS3 and REACH compliance requirements.

Frequently Asked Questions (FAQ)

Q: Can OPB355T directly replace OPB355L in existing designs?

A: Yes. The OPB355T matches all critical parameters of the OPB355L, including sensing distance, sensing method, output configuration, mounting type, and operating temperature range. No circuit modifications are required.

Q: What is the primary reason to transition from OPB355L to OPB355T?

A: The OPB355L is classified as obsolete. The OPB355T is the active equivalent from the same manufacturer, ensuring continued availability and supply chain support.

Q: Are there any compliance differences between these components?

A: No. Both OPB355L and OPB355T are ROHS3 compliant and REACH unaffected, with identical moisture sensitivity levels.

Q: What packaging options are available for OPB355T?

A: OPB355T is supplied in bulk packaging. Both components use through-hole mounting.

Q: Are the electrical characteristics identical?

A: Yes. Both components feature phototransistor output configuration, 0.125" (3.18mm) through-beam sensing distance, and -40°C ~ 85°C operating temperature range.