TLP550-LF1 Equivalent & Substitute Parts

Part Overview

The TLP550-LF1 is a photocoupler optoisolator manufactured by Toshiba Semiconductor and Storage, designed for single-channel optical isolation applications. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. The TLP550 series provides galvanic isolation suitable for applications requiring signal transmission across different voltage domains with electrical isolation.

Substiute Parts

TLP550-LF1,F)

Toshiba Semiconductor and StorageIn Stock: 1069TLP550-LF1,F) Datasheet

Current PartRFQ

TLP2719(E

Toshiba Semiconductor and StorageIn Stock: 1340TLP2719(E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The TLP2719(E is identified as a functionally equivalent substitute for the TLP550-LF1 based on the following substitution criteria:

Primary Substitution Parameters:

• Category alignment: Both components are optoisolators
• Functional classification: Single-channel optical isolation devices
• Manufacturer consistency: Both manufactured by Toshiba Semiconductor and Storage
• Isolation capability: Both provide galvanic isolation for signal transmission
• Compliance and certification: Both carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications
• Moisture sensitivity: Both rated MSL 1 (Unlimited)

The TLP2719(E represents an active product with enhanced specifications suitable for applications previously served by the obsolete TLP550-LF1.

Parameter Comparison

Engineering Selection Recommendations

The TLP2719(E is suitable as a substitute for the obsolete TLP550-LF1 based on product status and regulatory compliance alignment. Both components share identical export control classification (ECCN EAR99) and tariff coding (HTSUS 8541.49.8000), ensuring consistent regulatory treatment. Both maintain MSL 1 rating, indicating unlimited shelf life under standard storage conditions.

The TLP2719(E is an active product with current manufacturing support from Toshiba Semiconductor and Storage, providing supply chain continuity for applications previously dependent on the TLP550-LF1. Component selection should be validated against specific application requirements including isolation voltage, data rate, and package compatibility.

Frequently Asked Questions (FAQ)

Q: Why is the TLP550-LF1 being replaced? A: The TLP550-LF1 is classified as obsolete. The TLP2719(E is an active equivalent from the same manufacturer providing continued support for single-channel optoisolator applications.

Q: Are the isolation ratings compatible between TLP550-LF1 and TLP2719(E? A: Both components are single-channel optoisolators from Toshiba. The TLP2719(E specifies 5000Vrms isolation voltage. Detailed isolation specifications for the TLP550-LF1 are not provided in available documentation.

Q: What are the package differences? A: The TLP2719(E uses 6-SOIC surface mount packaging (0.295", 7.50mm width). Original TLP550-LF1 package specifications are not provided. PCB layout compatibility must be verified before implementation.

Q: Are there supply chain advantages to using TLP2719(E? A: Yes. The TLP2719(E is an active product with current inventory availability. The TLP550-LF1 is obsolete with limited remaining stock.

Q: Do both components have identical regulatory compliance? A: Yes. Both components carry ECCN EAR99 classification and HTSUS code 8541.49.8000, ensuring equivalent regulatory treatment in export and tariff applications.

Q: What is the data rate capability of the TLP2719(E? A: The TLP2719(E supports 1MBd (1 megabit per second) data rate with specified propagation delay characteristics.