TLP550 Equivalent & Substitute Parts

Part Overview

The TLP550 is a photocoupler optoisolator manufactured by Toshiba Semiconductor and Storage, designed for single-channel isolation applications. The device is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations. The TLP550 provides galvanic isolation suitable for applications requiring signal coupling across different voltage domains.

Substiute Parts

TLP550(SANYD-O,F)

Toshiba Semiconductor and StorageIn Stock: 723TLP550(SANYD-O,F) Datasheet

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TLP2719(E

Toshiba Semiconductor and StorageIn Stock: 1340TLP2719(E Datasheet

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Key Parameters

Substitute Part Grouping Explanation

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

• Category Alignment: Both devices are optoisolators within the same product category
• Isolation Capability: The TLP2719(E provides 5000Vrms isolation voltage, meeting or exceeding typical isolation requirements for photocoupler applications
• Channel Configuration: Both devices support single-channel isolation architecture
• Manufacturer Consistency: Both are manufactured by Toshiba Semiconductor and Storage, ensuring design continuity and supply chain reliability
• Regulatory Compliance: Both devices carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications
• Moisture Sensitivity: Both devices have MSL rating of 1 (Unlimited), indicating equivalent environmental handling requirements

Parameter Comparison

Engineering Selection Recommendations

The TLP2719(E is the identified substitute for the obsolete TLP550. Selection of the TLP2719(E is supported by the following factors:

• Product Status: The TLP2719(E maintains active product status with Toshiba, ensuring long-term availability and supply chain continuity
• Regulatory Alignment: Both devices share identical export control (ECCN: EAR99) and tariff classifications (HTSUS: 8541.49.8000), eliminating compliance complications in component substitution
• Environmental Handling: Matching MSL ratings (1 - Unlimited) indicate equivalent moisture sensitivity and storage requirements
• Manufacturer Consistency: Toshiba origin for both devices maintains design lineage and technical support continuity

Frequently Asked Questions (FAQ)

Q: Why is the TLP550 being replaced? A: The TLP550 is classified as obsolete by the manufacturer. The TLP2719(E is the active substitute that maintains functional equivalence for single-channel optoisolator applications.

Q: What are the key compatibility factors between TLP550 and TLP2719(E? A: Both devices are single-channel optoisolators from Toshiba with identical regulatory classifications (ECCN and HTSUS codes) and moisture sensitivity levels. The TLP2719(E provides specified isolation voltage of 5000Vrms and operates across -40°C to 100°C.

Q: Are there packaging differences between these parts? A: The TLP550 packaging is not specified in available documentation. The TLP2719(E is supplied in 6-SOIC (0.295", 7.50mm Width) surface mount package with tube packaging. Physical compatibility must be verified against original design specifications.

Q: What is the inventory status for these parts? A: The TLP550 has 685 pieces available as new original stock. The TLP2719(E has 1233 pieces available as new original stock.

Q: Are the export classifications identical? A: Yes. Both the TLP550 and TLP2719(E carry ECCN classification EAR99 and HTSUS code 8541.49.8000, indicating no change in export control or tariff treatment.