SC33908NAE Equivalent & Substitute Parts

Part Overview

The SC33908NAE is a Power Management IC (PMIC) voltage regulator manufactured by NXP Semiconductors, designed for automotive applications with multiple output channels. This part is classified as obsolete, making identification of suitable substitutes essential for ongoing system support and new design implementations. The SC33908NAE provides regulated power supply functionality in automotive environments where multiple voltage outputs are required.

Substiute Parts

SC33908NAE

NXP SemiconductorsIn Stock: 2252SC33908NAE Datasheet

Current PartRFQ

MC33908NAE

NXP USA Inc.In Stock: 1385MC33908NAE Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The MC33908NAE is identified as the manufacturer-recommended substitute for the SC33908NAE. Substitution eligibility is determined by the following criteria:

• Functional Category: Both parts are Power Management ICs (PMICs) serving automotive voltage regulation applications
• Base Product Lineage: MC33908NAE shares the same base product number family (MC33908 vs SC33908), indicating common functional architecture
• Compliance Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility
• Application Domain: Both are specified for automotive power supply applications
• Output Configuration: Both provide multiple regulated outputs for automotive systems

Parameter Comparison

Engineering Selection Recommendations

The MC33908NAE is the active production substitute for the obsolete SC33908NAE. Selection of MC33908NAE is supported by:

• Product Status Transition: MC33908NAE maintains active production status, ensuring long-term availability and supply chain continuity
• Regulatory Compliance: Both parts satisfy ROHS3 and REACH requirements, maintaining compliance posture across automotive applications
• Manufacturer Continuity: Both parts originate from NXP, the same manufacturer family, ensuring design consistency and technical support alignment
• Functional Equivalence: Both parts serve identical automotive power management applications with multiple regulated outputs

The difference in Moisture Sensitivity Level (MSL 1 vs MSL 3) reflects standard production variations between obsolete and active product lines and does not affect functional substitution eligibility for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can MC33908NAE directly replace SC33908NAE in existing designs?

A: Yes. MC33908NAE is the manufacturer-recommended substitute. Both parts are ROHS3 compliant, REACH unaffected, and designed for automotive power management applications with multiple outputs.

Q: What is the significance of the different MSL ratings?

A: SC33908NAE has MSL 1 (unlimited moisture exposure tolerance), while MC33908NAE has MSL 3 (168-hour moisture exposure limit). This reflects standard handling and storage requirements for active production parts. For automotive applications, standard moisture control procedures during assembly are sufficient.

Q: Are there packaging differences between these parts?

A: SC33908NAE packaging specifications are not detailed in available data. MC33908NAE is supplied in 48-HLQFP (7x7) package with exposed pad. Verify packaging compatibility with your PCB design before implementation.

Q: Why is SC33908NAE classified as obsolete?

A: SC33908NAE has been discontinued by the manufacturer. MC33908NAE represents the active production equivalent, ensuring continued availability and support for automotive power management applications.

Q: Are both parts suitable for the same automotive temperature range?

A: MC33908NAE operates across -40°C to 125°C, standard for automotive applications. SC33908NAE operating temperature specifications are not provided in available documentation.