TLP734 Equivalent & Substitute Parts

Part Overview

The TLP734 is a photocoupler (optoisolator) manufactured by Toshiba Semiconductor and Storage, designed for optoisolator output channel applications. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system support and new design implementations. The TLP734 operates within standard optoisolator electrical and mechanical parameters, with unlimited moisture sensitivity level (MSL 1) rating.

Substiute Parts

TLP734(M,F)

Toshiba Semiconductor and StorageIn Stock: 1095TLP734(M,F) Datasheet

Current PartRFQ

TLP785

Toshiba Semiconductor and StorageIn Stock: 39299TLP785 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The TLP785 qualifies as a direct substitute for the TLP734 based on the following substitution criteria:

• Manufacturer Consistency: Both components are manufactured by Toshiba Semiconductor and Storage, ensuring design continuity and supply chain reliability.
• Category Alignment: Both are classified as optoisolators within the photocoupler product family.
• Regulatory Compliance: Both share identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, confirming equivalent export and tariff treatment.
• Moisture Sensitivity: Both maintain MSL 1 (Unlimited) rating, indicating identical moisture handling requirements.
• Product Status Advantage: The TLP785 is active in production with substantial inventory availability (39,200 pcs), providing long-term supply security compared to the obsolete TLP734.

Parameter Comparison

Engineering Selection Recommendations

The TLP785 is the designated substitute for the obsolete TLP734 based on manufacturer alignment, regulatory classification equivalence, and active production status. Selection of the TLP785 ensures compliance with identical export control (ECCN EAR99) and tariff (HTSUS 8541.49.8000) requirements. The active product status of the TLP785 provides supply continuity and eliminates obsolescence risk associated with the TLP734.

Frequently Asked Questions (FAQ)

Q: Why is the TLP734 being phased out? A: The TLP734 is classified as obsolete by the manufacturer. The TLP785 represents the active production alternative within the Toshiba optoisolator portfolio.

Q: Are the TLP734 and TLP785 pin-compatible? A: Both components are 4-DIP packages with 0.300" (7.62mm) spacing. Physical compatibility is confirmed for through-hole mounting applications.

Q: Do the TLP734 and TLP785 share identical regulatory classifications? A: Yes. Both components carry ECCN EAR99 and HTSUS 8541.49.8000 classifications, confirming equivalent export control and tariff treatment.

Q: What is the moisture sensitivity difference between these parts? A: Both components maintain MSL 1 (Unlimited) rating. No difference in moisture handling or storage requirements exists between the two parts.

Q: Is the TLP785 available in sufficient quantity? A: Yes. The TLP785 maintains active production status with 39,200 pcs in current inventory, ensuring reliable supply for both new designs and legacy system support.

Q: Can the TLP785 be used as a direct replacement in existing TLP734 applications? A: Substitution is valid based on shared manufacturer origin, regulatory compliance, and package specifications. Verify application-specific electrical requirements against the TLP785 datasheet parameters.