OP642SL Equivalent & Substitute Parts

Part Overview

The OP642SL is a phototransistor optical sensor manufactured by TT Electronics/Optek Technology, designed for 890nm wavelength detection in a top view pill package configuration. This component is classified as obsolete, making identification of equivalent substitute parts essential for ongoing design support and production continuity. The OP642SL operates with a maximum collector-emitter breakdown voltage of 25V and collector current of 50mA, suitable for infrared sensing applications requiring surface mount integration.

Substiute Parts

OP642SL

TT Electronics/Optek TechnologyIn Stock: 1104OP642SL Datasheet

Current PartRFQ

OP644SL

TT Electronics / Optek TechnologyIn Stock: 1032OP644SL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OP642SL is determined by strict equivalence across the following critical parameters:

• Wavelength specification (890nm)
• Voltage rating (Collector-Emitter Breakdown: 25V maximum)
• Current specifications (Ic Max: 50mA, Id Max: 100nA)
• Power dissipation (50mW maximum)
• Mounting configuration (Surface Mount, Top View orientation)
• Package type (Pill)
• Operating temperature range (-65°C to 125°C)

The OP644SL meets all specified electrical and mechanical parameters, providing direct functional equivalence for applications currently utilizing the OP642SL.

Parameter Comparison

Engineering Selection Recommendations

The OP644SL is the direct substitute for the OP642SL. Both components are manufactured by TT Electronics/Optek Technology and maintain identical electrical and mechanical specifications across all critical parameters. The OP644SL carries active product status, ensuring ongoing availability and supply chain continuity. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current production environments. Selection of the OP644SL eliminates obsolescence risk while preserving full functional compatibility with existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can the OP644SL be used as a direct replacement for the OP642SL?

A: Yes. The OP644SL provides complete electrical and mechanical equivalence to the OP642SL across all specified parameters, including wavelength, voltage ratings, current specifications, power dissipation, mounting type, orientation, operating temperature range, and package configuration.

Q: What is the primary difference between the OP642SL and OP644SL?

A: The OP642SL is classified as obsolete, while the OP644SL maintains active product status. No electrical or mechanical differences exist between the two components.

Q: Are there any compliance or certification differences?

A: Both the OP642SL and OP644SL are ROHS3 compliant and REACH unaffected. No compliance differences exist between the two parts.

Q: Does the pill package configuration remain identical?

A: Yes. Both components utilize the same pill package type with top view orientation and surface mount configuration, ensuring mechanical compatibility in existing PCB layouts.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is determined by equivalence in wavelength (890nm), voltage rating (25V Collector-Emitter Breakdown), current specifications (50mA Ic Max, 100nA Id Max), power dissipation (50mW), mounting type (Surface Mount), orientation (Top View), operating temperature range (-65°C to 125°C), and package type (Pill).