FPF3688UCX Equivalent & Substitute Parts

Part Overview

The FPF3688UCX is a load switch integrated circuit manufactured by onsemi, classified as a Power Management (PMIC) component. This device functions as a power switch/driver in WLCSP packaging. The FPF3688UCX carries an obsolete product status, which necessitates identification of active equivalent parts to maintain design continuity and ensure long-term component availability for new production runs and system updates.

Substiute Parts

FPF3688UCX

onsemiIn Stock: 1278FPF3688UCX Datasheet

Current PartRFQ

FPF3688UCX-SN00396

onsemiIn Stock: 1140FPF3688UCX-SN00396 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FPF3688UCX is determined by the following critical parameters:

• Base product number alignment (FPF3688 series)
• Identical functional classification (Power Switch/Driver)
• Matching packaging type (WLCSP)
• Equivalent regulatory compliance (ROHS3 Compliant, REACH Unaffected)
• Identical moisture sensitivity level (MSL 1 - Unlimited)
• Manufacturer consistency (onsemi)

The FPF3688UCX-SN00396 satisfies all substitution criteria as an active equivalent part within the same product family, maintaining functional and environmental specifications while providing current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

The FPF3688UCX-SN00396 is the direct active equivalent for the obsolete FPF3688UCX. Both parts maintain identical functional specifications, packaging, and regulatory compliance profiles. The FPF3688UCX-SN00396 carries active product status with current manufacturing support from onsemi, ensuring component availability for production and future design iterations. Both parts satisfy ROHS3 compliance and REACH unaffected requirements, with equivalent moisture sensitivity ratings suitable for standard handling and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can FPF3688UCX-SN00396 be used as a direct replacement for FPF3688UCX?

A: Yes. Both parts share identical base product number (FPF3688), functional classification (Power Switch/Driver), packaging type (WLCSP), and regulatory compliance specifications. The primary distinction is product status: FPF3688UCX is obsolete while FPF3688UCX-SN00396 is active.

Q: What is the significance of the "-SN00396" suffix in FPF3688UCX-SN00396?

A: The suffix denotes a specific manufacturing variant or traceability code assigned by onsemi. This designation maintains the core FPF3688 product family while identifying a distinct production batch or configuration. Functionally, it remains equivalent to the base FPF3688UCX.

Q: Are there packaging or pinout differences between these parts?

A: No. Both parts utilize identical WLCSP packaging. No pinout or mechanical modifications are required for substitution.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings, indicating equivalent environmental qualification and handling requirements.

Q: Why is the original FPF3688UCX marked as obsolete?

A: Obsolete status indicates that onsemi has discontinued active manufacturing and support for this specific part number. The FPF3688UCX-SN00396 represents the active continuation within the same product family.