PI2PCIE412-DZHE Equivalent & Substitute Parts

Part Overview

The PI2PCIE412-DZHE is a PCI Express® Switch IC manufactured by Diodes Incorporated, designed for 4-channel multiplexing and demultiplexing applications in PCI Express environments. This component features a 42-TQFN (9x4.6) surface mount package and operates across a -40°C to 85°C temperature range. The part is currently classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

PI2PCIE412-DZHE

Diodes IncorporatedIn Stock: 6730PI2PCIE412-DZHE Datasheet

Current PartRFQ

PI2PCIE2412ZHEX

Diodes IncorporatedIn Stock: 15747PI2PCIE2412ZHEX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PI2PCIE412-DZHE is determined by strict alignment across the following critical parameters:

• Package / Case: 42-VFQFN Exposed Pad (physical and electrical compatibility)
• Number of Channels: 4 (functional requirement)
• Multiplexer/Demultiplexer Circuit: 2:1 (signal routing architecture)
• Operating Temperature Range: -40°C ~ 85°C (thermal envelope)
• Mounting Type: Surface Mount (assembly compatibility)
• Supply Voltage Compatibility: Overlapping or compatible voltage ranges
• RoHS and Compliance Status: ROHS3 Compliant (regulatory requirement)

The PI2PCIE2412ZHEX meets all substitution criteria and is classified as a manufacturer-recommended equivalent. This part maintains identical package geometry, channel configuration, and thermal specifications while offering enhanced performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The PI2PCIE2412ZHEX is the manufacturer-recommended substitute for the obsolete PI2PCIE412-DZHE. Selection of this alternative is supported by the following engineering factors:

• Identical physical footprint and pin configuration ensure direct PCB compatibility without layout modifications
• Matching thermal and electrical operating ranges guarantee functional equivalence in existing circuit designs
• Enhanced bandwidth performance (4.1GHz versus 1.4GHz) provides performance margin and future design flexibility
• ROHS3 compliance and MSL Level 1 rating maintain regulatory and manufacturing process compatibility
• Last Time Buy status provides extended procurement window compared to the Obsolete classification of the original part
• Both parts are supplied by the same manufacturer, ensuring consistent quality and documentation standards

Frequently Asked Questions (FAQ)

Q: Can PI2PCIE2412ZHEX be used as a direct replacement for PI2PCIE412-DZHE without PCB modifications?

A: Yes. Both parts share identical package geometry (42-VFQFN Exposed Pad), pin count, and pinout configuration. No PCB layout changes are required for substitution.

Q: Are the supply voltage requirements compatible between these parts?

A: The PI2PCIE2412ZHEX operates within a 1.5V ~ 1.8V range, which is fully contained within the PI2PCIE412-DZHE specification of 1.5V ~ 2V. Existing power supply designs will function correctly with the substitute part.

Q: What is the significance of the bandwidth difference?

A: The PI2PCIE2412ZHEX provides 4.1GHz bandwidth compared to 1.4GHz in the original part. This enhanced performance does not create incompatibility; it represents an improvement that maintains backward compatibility with existing circuit designs.

Q: Why is the original part classified as Obsolete?

A: The PI2PCIE412-DZHE is no longer in active production. The PI2PCIE2412ZHEX represents the current-generation equivalent from the manufacturer and is available under Last Time Buy status.

Q: Are there any compliance or certification differences?

A: Both parts maintain identical RoHS3 compliance and MSL Level 1 ratings. No additional qualification or testing is required for substitution from a regulatory standpoint.

Q: What is the packaging difference between these parts?

A: The PI2PCIE412-DZHE is supplied in standard packaging, while the PI2PCIE2412ZHEX is available in Tape & Reel (TR) format. This affects procurement and assembly processes but does not impact electrical or mechanical compatibility.