TLP734F(D4-GRL,M,F) Equivalent & Substitute Parts

Part Overview

The TLP734F(D4-GRL,M,F) is a photocoupler optoisolator manufactured by Toshiba Semiconductor and Storage. This component is classified as an Optoisolator Output Channel device and is currently listed as obsolete. Due to its discontinued status, identifying functionally equivalent substitute parts is essential for system redesign, maintenance, and procurement planning. The TLP785 series provides active alternatives that maintain core optoisolation functionality while offering enhanced specifications and current availability.

Substiute Parts

TLP734F(D4-GRL,M,F

Toshiba Semiconductor and StorageIn Stock: 968TLP734F(D4-GRL,M,F Datasheet

Current PartRFQ

TLP785

Toshiba Semiconductor and StorageIn Stock: 39299TLP785 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The TLP785 is identified as a direct substitute for the TLP734F(D4-GRL,M,F) based on the following substitution criteria:

Core Functional Parameters:

• Both devices are optoisolators (photocouplers) manufactured by Toshiba Semiconductor and Storage
• Both belong to the same product category: Optoisolators
• Both share identical Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Both carry the same export classification (ECCN: EAR99) and tariff code (HTSUS: 8541.49.8000)

Substitution Logic: The TLP785 maintains the fundamental optoisolation architecture of the TLP734 series while providing an active product status with significantly higher inventory availability (39,200 Pcs vs. 926 Pcs). The TLP785 is explicitly listed in the substitute field of the TLP734F documentation, confirming manufacturer-recognized equivalency.

Parameter Comparison

Engineering Selection Recommendations

For Obsolete Part Replacement: The TLP734F(D4-GRL,M,F) is obsolete and no longer manufactured. The TLP785 is the manufacturer-designated substitute and is currently in active production with substantial inventory availability. Both components share identical compliance classifications (ECCN: EAR99, HTSUS: 8541.49.8000) and moisture sensitivity ratings, ensuring regulatory and environmental compatibility.

For New Designs: The TLP785 is the appropriate selection for new applications requiring optoisolation functionality. Its active product status ensures long-term supply chain reliability and technical support from Toshiba Semiconductor and Storage.

Compliance Considerations: Both the TLP734F(D4-GRL,M,F) and TLP785 carry identical export control and tariff classifications, permitting direct substitution without regulatory impact.

Frequently Asked Questions (FAQ)

Q: Can the TLP785 directly replace the TLP734F(D4-GRL,M,F) in existing designs? A: Yes. The TLP785 is the manufacturer-designated substitute for the TLP734F series. Both components share identical MSL ratings, export classifications, and tariff codes. Verify that the TLP785's specified electrical parameters (5000Vrms isolation, 1 channel, transistor output, 4-DIP package) are compatible with your circuit requirements.

Q: What is the primary reason for substitution? A: The TLP734F(D4-GRL,M,F) is obsolete and no longer manufactured. The TLP785 provides an active, manufacturer-recognized alternative with equivalent optoisolation functionality and superior inventory availability.

Q: Are there packaging differences between these parts? A: The TLP785 is specified as a 4-DIP (0.300", 7.62mm) through-hole package. Confirm that your PCB layout and assembly process accommodate this package type.

Q: Do both parts have the same environmental ratings? A: Yes. Both the TLP734F(D4-GRL,M,F) and TLP785 have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are there export or compliance restrictions on either part? A: No. Both components carry identical ECCN (EAR99) and HTSUS (8541.49.8000) classifications, permitting unrestricted substitution from a regulatory standpoint.