TLP2451(TP,F) Equivalent & Substitute Parts

Part Overview

The TLP2451(TP,F) is a photocoupler gate driver manufactured by Toshiba Semiconductor and Storage, designed for optical isolation in gate driving applications. This component is classified as obsolete, with 1,016 units currently available in new original stock. Due to its obsolete status, identifying functionally equivalent active alternatives is essential for design continuity and long-term supply chain reliability.

Substiute Parts

TLP2451(TP,F)

Toshiba Semiconductor and StorageIn Stock: 1074TLP2451(TP,F) Datasheet

Current PartRFQ

TLP2451A(TP,F)

Toshiba Semiconductor and StorageIn Stock: 7241TLP2451A(TP,F) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The TLP2451A(TP,F) qualifies as a direct substitute for the TLP2451(TP,F) based on the following criteria:

Matching Parameters:

• Identical base product number (TLP2451)
• Same manufacturer (Toshiba Semiconductor and Storage)
• Identical packaging format (8-SO)
• Same MSL rating (1 - Unlimited)
• Identical RoHS compliance status
• Same ECCN and HTSUS classifications

Substitution Logic: The TLP2451A(TP,F) represents an active product variant within the same TLP2451 family. Both components share identical electrical isolation specifications, packaging geometry, and regulatory compliance profiles. The substitution is valid for applications requiring gate driver optical coupling with 3750Vrms isolation.

Parameter Comparison

Engineering Selection Recommendations

The TLP2451A(TP,F) is the appropriate substitute for the obsolete TLP2451(TP,F). Selection is based on:

• Product Status Alignment: The TLP2451A(TP,F) maintains active product status, ensuring continued availability and manufacturing support.
• Regulatory Compliance: Both components carry identical RoHS compliance and ECCN classifications, maintaining regulatory consistency across design revisions.
• Certification Parity: Both components are approved by CSA, cUL, and UL, meeting the same safety and quality standards.
• Package Compatibility: Both use 8-SO packaging with identical MSL ratings, supporting direct PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can TLP2451A(TP,F) be used as a direct replacement for TLP2451(TP,F)?

A: Yes. Both components share the same base product number, manufacturer, packaging format, and regulatory compliance profile. The TLP2451A(TP,F) is the active variant of the TLP2451 family and is suitable for gate driver optical coupling applications.

Q: Are there any package differences between TLP2451(TP,F) and TLP2451A(TP,F)?

A: Both components use 8-SO packaging. The TLP2451A(TP,F) is specified as 8-SOIC with 0.154" width and 3.90mm body width, which is standard for this package class and maintains PCB footprint compatibility.

Q: What is the significance of the obsolete status of TLP2451(TP,F)?

A: Obsolete status indicates that the original TLP2451(TP,F) is no longer manufactured. The TLP2451A(TP,F) represents the active continuation within the same product family and should be used for new designs and long-term supply chain planning.

Q: Are moisture sensitivity levels identical between the two parts?

A: Yes. Both TLP2451(TP,F) and TLP2451A(TP,F) carry MSL 1 (Unlimited) ratings, indicating no moisture sensitivity restrictions for storage and handling.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both components are RoHS compliant, carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, and are approved by CSA, cUL, and UL.