PI5L200Q Equivalent & Substitute Parts

Part Overview

The PI5L200Q is a telecommunications switch IC manufactured by Diodes Incorporated, designed for 4-channel Ethernet switching applications in 10/100 Base-T LAN environments. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support, redesigns, and new production runs. The part operates across a wide temperature range (-40°C to 85°C) and is available in a 16-QSOP surface mount package.

Key Parameters

Parameter	PI5L200Q
Manufacturer	Diodes Incorporated
Product Status	Obsolete
Number of Channels	4
Multiplexer/Demultiplexer Circuit	2:1
On-State Resistance (Max)	12Ohm
Voltage - Supply, Single (V+)	3.3V, 5V
-3dB Bandwidth	137MHz
Features	10/100 Base-T, LAN
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	16-SSOP (0.154", 3.90mm Width)
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PI5L200Q is determined by the following critical parameters:

Circuit Configuration: 4-channel 2:1 multiplexer/demultiplexer switch topology
Package Compatibility: 16-QSOP surface mount package (0.154", 3.90mm width)
Operating Temperature Range: -40°C to 85°C
Supply Voltage Compatibility: Parts must support either 3.3V, 5V, or overlapping ranges (3V-5.5V)
On-State Resistance: Maximum 12Ohm to 17Ohm acceptable for equivalent functionality
Bandwidth Performance: Minimum 137MHz for 10/100 Base-T LAN applications

The substitute parts listed below meet these core requirements while offering improvements in compliance status, performance characteristics, or availability.

Parameter Comparison

Parameter	PI5L200Q	PI3L110QE	FSAL200QSCX	QS4A205QG	QS4A205QG8
Manufacturer	Diodes Incorporated	Diodes Incorporated	onsemi	Renesas Electronics	Renesas Electronics
Product Status	Obsolete	Obsolete	Obsolete	Active	Active
Number of Channels	4	4	4	4	4
Multiplexer/Demultiplexer Circuit	2:1	2:1	2:1	2:1	2:1
On-State Resistance (Max)	12Ohm	8Ohm	12Ohm	17Ohm	17Ohm
Voltage - Supply, Single (V+)	3.3V, 5V	3V ~ 3.6V	3V ~ 5.5V	5V	5V
-3dB Bandwidth	137MHz	350MHz	137MHz	830MHz	830MHz
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	16-SSOP	16-SSOP	16-LSSOP	16-SSOP	16-SSOP
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

PI3L110QE (Diodes Incorporated): Direct functional equivalent with improved performance. Offers lower on-state resistance (8Ohm vs 12Ohm) and higher bandwidth (350MHz vs 137MHz). Achieves ROHS3 compliance. Supply voltage range (3V-3.6V) is narrower than the original; verify compatibility with 3.3V-only designs. Obsolete status requires inventory planning.

FSAL200QSCX (onsemi): Maintains identical on-state resistance (12Ohm) and bandwidth (137MHz) specifications. Supports wider supply voltage range (3V-5.5V), providing greater design flexibility. ROHS3 compliant. Moisture sensitivity level 3 requires controlled storage conditions (168-hour limit). Obsolete status.

QS4A205QG (Renesas Electronics Corporation): Active product status ensures long-term availability. Supports 5V supply only; not suitable for 3.3V designs. Higher on-state resistance (17Ohm) and superior bandwidth (830MHz) enable high-speed applications. ROHS3 compliant with unlimited moisture sensitivity. Tube packaging.

QS4A205QG8 (Renesas Electronics Corporation): Identical electrical specifications to QS4A205QG with active product status. Tape & Reel packaging suitable for high-volume production. ROHS3 compliant with unlimited moisture sensitivity. 5V supply requirement must be verified against system design.

Frequently Asked Questions (FAQ)

Q: Can PI3L110QE replace PI5L200Q in all applications? A: PI3L110QE is functionally equivalent for 4-channel 2:1 switching in 10/100 Base-T LAN circuits. The narrower supply voltage range (3V-3.6V) requires verification against designs requiring 5V operation. Performance improvements (lower resistance, higher bandwidth) are beneficial for most applications.

Q: What is the difference between QS4A205QG and QS4A205QG8? A: Both parts are electrically identical. QS4A205QG is supplied in Tube packaging, while QS4A205QG8 is supplied in Tape & Reel format. Selection depends on production volume and assembly line requirements. Both are active products from Renesas Electronics.

Q: Why does FSAL200QSCX have a different package designation (16-LSSOP vs 16-SSOP)? A: Both packages share identical physical dimensions (0.154", 3.90mm width) and pin configurations. The LSSOP designation indicates a shrink-scale variant. PCB footprints are compatible for this application.

Q: Is the PI5L200Q suitable for new designs? A: No. The PI5L200Q is obsolete. New designs should use active products: QS4A205QG or QS4A205QG8 (Renesas Electronics). These offer superior performance, ROHS3 compliance, and guaranteed long-term availability.

Q: What are the moisture sensitivity implications for FSAL200QSCX? A: FSAL200QSCX carries MSL 3 rating, requiring storage at controlled humidity (≤60% RH) with a 168-hour floor life limit after bag opening. Contrast this with PI3L110QE and QS4A205 variants (MSL 1), which have unlimited floor life. Handling procedures must reflect this requirement.

Q: Can I use a 5V-only part (QS4A205QG) in a 3.3V system? A: No. QS4A205QG is specified for 5V supply only and is not rated for 3.3V operation. For dual-voltage compatibility, use PI3L110QE (3V-3.6V) or FSAL200QSCX (3V-5.5V).

Q: Which substitute offers the best long-term availability? A: QS4A205QG and QS4A205QG8 (Renesas Electronics) are active products with confirmed production status. PI3L110QE and FSAL200QSCX are obsolete and subject to discontinuation. Active product status ensures component availability for future production runs and field replacements.

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