TLP552(LF1,F) Equivalent & Substitute Parts

Part Overview

The TLP552(LF1,F) is an optoisolator manufactured by Toshiba Semiconductor and Storage, designed for photocoupler applications requiring galvanic isolation. This component is classified as obsolete, necessitating identification of active equivalent parts to maintain design continuity and ensure long-term component availability for new production runs and field replacements.

Substiute Parts

TLP552(LF1,F)

Toshiba Semiconductor and StorageIn Stock: 957TLP552(LF1,F) Datasheet

Current PartRFQ

TLP2768A(E

Toshiba Semiconductor and StorageIn Stock: 1023TLP2768A(E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The TLP2768A(E) qualifies as a functional equivalent based on the following substitution criteria:

Common Classification Parameters:

• Category: Optoisolators (both parts)
• Manufacturer: Toshiba Semiconductor and Storage (same source)
• Export Classification: EAR99 (identical regulatory status)
• HTSUS Code: 8541.49.8000 (same tariff classification)
• Moisture Sensitivity Level: 1 (Unlimited) (identical handling requirements)

Functional Compatibility Basis:

• Both components serve photocoupler/optoisolator functions
• Both provide galvanic isolation through optical coupling
• Active product status of TLP2768A(E) ensures ongoing availability and manufacturing support

Parameter Comparison

Engineering Selection Recommendations

Selection of TLP2768A(E) as a substitute for the obsolete TLP552(LF1,F) is supported by:

• Product Status Alignment: TLP2768A(E) maintains active manufacturing status with Toshiba, ensuring component availability and supply chain continuity.
• Regulatory Compliance: Both parts share identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, maintaining export and tariff compliance.
• Environmental Compliance: TLP2768A(E) is ROHS3 compliant and REACH unaffected, meeting current environmental regulations.
• Handling Requirements: Identical MSL rating (1 - Unlimited) eliminates changes to moisture control procedures during manufacturing and storage.
• Manufacturer Consistency: Both components originate from Toshiba Semiconductor and Storage, ensuring design philosophy and quality standards alignment.

Frequently Asked Questions (FAQ)

Q: Why is the TLP552(LF1,F) being replaced? A: The TLP552(LF1,F) is classified as obsolete. The TLP2768A(E) is an active product from the same manufacturer, ensuring continued availability and manufacturing support.

Q: What are the key compatibility factors between these parts? A: Both components are optoisolators from Toshiba with identical regulatory classifications (EAR99, HTSUS 8541.49.8000) and moisture sensitivity levels (MSL 1). They share the same functional category and environmental compliance requirements.

Q: Does the package type differ between these parts? A: The TLP552(LF1,F) package specification is not provided in available documentation. The TLP2768A(E) uses a 6-SOIC surface mount package (0.295", 7.50mm width). Physical compatibility must be verified against original design specifications.

Q: Are there compliance differences? A: The TLP2768A(E) is ROHS3 compliant and REACH unaffected. Both parts maintain EAR99 export classification and identical tariff codes, ensuring regulatory alignment.

Q: What is the isolation voltage of the substitute? A: The TLP2768A(E) provides 5000Vrms isolation voltage with 20kV/µs common mode transient immunity, supporting high-speed isolation applications.

Q: Can the TLP2768A(E) handle the same current levels? A: The TLP2768A(E) supports 25 mA output current per channel with open collector, Schottky clamped output configuration, operating across -40°C to 125°C temperature range.