PI5L200QE Equivalent & Substitute Parts

Part Overview

The PI5L200QE is a telecommunications switch IC manufactured by Diodes Incorporated, designed for 4-channel Ethernet switching applications in 10/100 Base-T LAN environments. This part operates as a 2:1 multiplexer/demultiplexer with quad SPDT switching capability in a 16-QSOP surface mount package. The product is currently obsolete, making equivalent substitute parts necessary for legacy system maintenance, board redesigns, and continued production support.

Substiute Parts

PI5L200QE

Diodes IncorporatedIn Stock: 1578PI5L200QE Datasheet

Current PartRFQ

FSAL200QSCX

onsemiIn Stock: 17878FSAL200QSCX Datasheet

MFR RecommendedRFQ

QS4A205QG

Renesas Electronics CorporationIn Stock: 2377QS4A205QG Datasheet

MFR RecommendedRFQ

QS4A205QG8

Renesas Electronics CorporationIn Stock: 16558QS4A205QG8 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the PI5L200QE is determined by the following critical parameters:

Primary Substitution Criteria:

• Number of Channels: 4 circuits required
• Multiplexer/Demultiplexer Circuit: 2:1 configuration
• Switch Circuit: SPDT (Single Pole Double Throw)
• Package / Case: 16-QSOP or 16-LSSOP (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Operating Temperature Range: -40°C ~ 85°C (TA)

Secondary Compatibility Parameters:

• On-State Resistance (Max): 12Ohm baseline; up to 17Ohm acceptable for equivalent functionality
• Voltage - Supply, Single (V+): Minimum 3.3V to 5V compatibility required
• -3dB Bandwidth: Minimum 137MHz required for 10/100 Base-T LAN applications

The three substitute parts listed (FSAL200QSCX, QS4A205QG, QS4A205QG8) meet all primary criteria and maintain functional equivalence within the specified electrical parameters.

Parameter Comparison

Engineering Selection Recommendations

FSAL200QSCX (onsemi): This part provides electrical equivalence with matching 12Ohm on-state resistance and 137MHz bandwidth. It maintains identical functional performance for 10/100 Base-T LAN switching. However, the product is obsolete and has MSL rating of 3, requiring controlled moisture handling during storage and assembly. Suitable for legacy system repairs where exact electrical matching is prioritized.

QS4A205QG (Renesas Electronics Corporation): This active product offers superior performance characteristics with 830MHz bandwidth and lower leakage current (2nA vs. 100µA). The 17Ohm on-state resistance remains within acceptable limits for equivalent switching functionality. MSL rating of 1 provides unlimited moisture tolerance. Tube packaging is available. Recommended for new designs and long-term production support due to active product status.

QS4A205QG8 (Renesas Electronics Corporation): Functionally identical to QS4A205QG with the same electrical specifications and performance characteristics. Supplied in Tape & Reel (TR) packaging format. Active product status with MSL rating of 1. Recommended for high-volume production environments requiring automated assembly processes.

All three substitutes maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original PI5L200QE.

Frequently Asked Questions (FAQ)

Q: Can QS4A205QG and QS4A205QG8 be used interchangeably with PI5L200QE?

A: Yes. Both parts are functionally equivalent substitutes. The primary difference is packaging format: QS4A205QG is supplied in Tube, while QS4A205QG8 is supplied in Tape & Reel. Both maintain identical electrical specifications, operating temperature range, and pin configuration within the 16-QSOP package footprint.

Q: What is the significance of the higher on-state resistance in QS4A205QG and QS4A205QG8 (17Ohm vs. 12Ohm)?

A: The 5Ohm difference remains within acceptable limits for 10/100 Base-T LAN switching applications. The higher bandwidth (830MHz vs. 137MHz) and lower leakage current of the Renesas parts provide superior signal integrity and power efficiency, offsetting the slightly higher resistance specification.

Q: Why does FSAL200QSCX have a higher Moisture Sensitivity Level (MSL 3) compared to the original part (MSL 1)?

A: MSL 3 requires controlled moisture exposure during storage and assembly, with a maximum floor life of 168 hours after bag opening. This necessitates proper handling procedures including desiccant storage and bake-out protocols before reflow soldering. The original PI5L200QE and Renesas alternatives (MSL 1) have unlimited moisture tolerance and do not require these precautions.

Q: Are all substitute parts available in the same 16-QSOP package?

A: Yes. All substitute parts use 16-QSOP or 16-LSSOP packages with identical 0.154" (3.90mm) width, ensuring direct PCB footprint compatibility. FSAL200QSCX uses 16-LSSOP, while QS4A205QG and QS4A205QG8 use 16-SSOP. Both package variants are mechanically and electrically compatible for this application.

Q: Which substitute part is recommended for new production designs?

A: QS4A205QG or QS4A205QG8 (Renesas Electronics Corporation) are recommended for new designs. Both maintain active product status, ensuring long-term availability and supply chain stability. The choice between QS4A205QG (Tube) and QS4A205QG8 (Tape & Reel) depends on production volume and assembly automation requirements.