TLP731(GR-LF2,F) Equivalent & Substitute Parts

Part Overview

The TLP731(GR-LF2,F) is a photocoupler optoisolator manufactured by Toshiba Semiconductor and Storage, classified as an optoisolator with output channel functionality. This component is currently listed as obsolete, which necessitates identification of active equivalent parts to maintain design continuity and ensure supply chain availability for new production runs and field replacements.

Substiute Parts

TLP731(GR-LF2,F)

Toshiba Semiconductor and StorageIn Stock: 788TLP731(GR-LF2,F) Datasheet

Current PartRFQ

TLP785(GR-LF6,F

Toshiba Semiconductor and StorageIn Stock: 835TLP785(GR-LF6,F Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The TLP785(GR-LF6,F) qualifies as a functional substitute based on the following alignment criteria:

Common Classification Parameters:

• Category: Both are optoisolators
• Manufacturer: Both manufactured by Toshiba Semiconductor and Storage
• ECCN Classification: Both classified as EAR99
• HTSUS Code: Both assigned 8541.49.8000
• Output Configuration: Both feature transistor output optoisolator architecture
• Isolation Voltage: TLP785 provides 5000Vrms isolation capability

Substitution Logic: The TLP785(GR-LF6,F) represents an active product alternative within the same optoisolator family. As the TLP731 is obsolete, the TLP785 maintains functional optoisolator characteristics with documented electrical specifications and active manufacturing status, enabling direct substitution in applications requiring photocoupler functionality.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The TLP731(GR-LF2,F) is classified as obsolete. The TLP785(GR-LF6,F) maintains active product status with current manufacturing support from Toshiba Semiconductor and Storage.

Compliance Alignment: Both parts share identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, ensuring regulatory consistency for export and tariff purposes.

RoHS Compliance: The TLP785(GR-LF6,F) is ROHS3 compliant, meeting current environmental and hazardous substance restrictions applicable to electronic components.

Selection Basis: Component selection should prioritize the TLP785(GR-LF6,F) due to active manufacturing status, documented electrical specifications, and regulatory compliance certifications. The obsolete status of the TLP731 eliminates long-term supply viability for production applications.

Frequently Asked Questions (FAQ)

Q: Why is the TLP731(GR-LF2,F) being phased out? A: The TLP731(GR-LF2,F) is classified as obsolete by the manufacturer. Toshiba Semiconductor and Storage has transitioned production to active alternatives such as the TLP785 series to consolidate product lines and focus manufacturing resources.

Q: Can the TLP785(GR-LF6,F) directly replace the TLP731(GR-LF2,F) in existing designs? A: Both components are optoisolators manufactured by Toshiba. The TLP785 provides documented specifications including 5000Vrms isolation voltage, 1-channel transistor output configuration, and surface mount packaging. Design verification should confirm compatibility with specific circuit requirements, particularly regarding isolation voltage, current transfer ratio, and output characteristics.

Q: What are the key differences in packaging between these parts? A: The TLP785(GR-LF6,F) is specified as 4-SMD with Gull Wing configuration for surface mount assembly. The TLP731 packaging details are not provided in available documentation.

Q: Are there any compliance or regulatory differences? A: Both parts share identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications. The TLP785 is ROHS3 compliant, meeting current environmental standards for electronic components.

Q: What is the inventory status for these parts? A: The TLP731(GR-LF2,F) has 708 pieces available as new original stock. The TLP785(GR-LF6,F) has 801 pieces available as new original stock in bulk packaging.