RT9733GF Equivalent & Substitute Parts

Part Overview

The RT9733GF is a Power Switch/Driver IC manufactured by Richtek USA Inc., designed for USB power switching applications in an 8MSOP package. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design requirements and production continuity. The RT9733GF operates as a power management integrated circuit (PMIC) with ROHS3 compliance and MSL-3 moisture sensitivity rating.

Substiute Parts

RT9733GF

Richtek USA Inc.In Stock: 1163RT9733GF Datasheet

Current PartRFQ

RT9742MNGJ5

Richtek USA Inc.In Stock: 20259RT9742MNGJ5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The RT9742MNGJ5 qualifies as a functional substitute for the RT9733GF based on the following substitution criteria:

Primary Substitution Basis:

• Both components are Power Switch/Driver ICs from Richtek USA Inc.
• Both serve USB switching applications
• Both maintain ROHS3 compliance and MSL-3 moisture sensitivity rating
• Both are REACH Unaffected

Key Differentiating Parameters:

• Switch Type: USB Switch (common functional requirement)
• Output Configuration: High Side N-Channel topology
• Fault Protection: Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
• Operating Temperature Range: -40°C ~ 85°C (TA)
• Mounting Type: Surface Mount
• RoHS and REACH compliance maintained across substitution

The RT9742MNGJ5 is currently in Active product status, ensuring ongoing availability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The RT9742MNGJ5 is the identified substitute for the obsolete RT9733GF. Selection of this alternative is supported by:

• Product Status Alignment: The RT9742MNGJ5 maintains Active status, ensuring continued manufacturing availability and supply chain reliability.
• Regulatory Compliance: Both components maintain identical ROHS3 and REACH compliance certifications, satisfying regulatory requirements without modification.
• Moisture Sensitivity Consistency: MSL-3 rating is maintained, preserving handling and storage requirements across the substitution.
• Functional Category: Both components operate within the Power Management (PMIC) category as USB power switches, maintaining functional equivalence for circuit-level applications.

Frequently Asked Questions (FAQ)

Q: Why is the RT9733GF being replaced? A: The RT9733GF is classified as obsolete. The RT9742MNGJ5 is an active product from the same manufacturer that maintains equivalent functional classification and regulatory compliance.

Q: Are there package compatibility considerations between RT9733GF and RT9742MNGJ5? A: The RT9733GF uses an 8MSOP package, while the RT9742MNGJ5 uses a TSOT-23-5 (SOT-23-5 Thin) package. Package differences require PCB layout modification and may affect board space allocation.

Q: Do both parts maintain the same regulatory certifications? A: Yes. Both the RT9733GF and RT9742MNGJ5 are ROHS3 compliant and REACH Unaffected, maintaining identical regulatory status.

Q: What is the moisture sensitivity requirement for storage? A: Both components carry MSL-3 rating, requiring storage conditions of 168 hours maximum at specified humidity levels prior to soldering.

Q: Is the RT9742MNGJ5 currently available? A: Yes. The RT9742MNGJ5 is classified as Active product status with documented inventory availability.