GSW141A3MC Equivalent & Substitute Parts

Part Overview

The GSW141A3MC is an Ethernet Switch interface device manufactured by MaxLinear, Inc., designed for IEEE 802.3 10/100/1000 Base-T/TX PHY applications. This device supports multiple interface protocols including RGMII, SGMII, SPI, and UART, packaged in a 105-MRQFN (8x8) form factor. The part is currently in active production status with 3636 units available in stock. Substitute parts are identified when equivalent electrical specifications, interface protocols, packaging, and operational parameters align with the main device, enabling direct replacement in system designs.

Key Parameters

Parameter	Specification
Manufacturer	MaxLinear, Inc.
Category	Interface
Protocol	Ethernet
Function	Switch
Interface Types	RGMII, SGMII, SPI, UART
Standards	IEEE 802.3, 10/100/1000 Base-T/TX PHY
Voltage Supply Range	1.05V ~ 1.15V
Operating Temperature	0°C ~ 70°C (TA)
Package Type	105-VFQFN Dual Rows, Exposed Pad
Supplier Device Package	105-MRQFN (8x8)
Moisture Sensitivity Level	1 (Unlimited)
Packaging Format	Tray
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the GSW141A3MC are qualified based on strict alignment of the following critical parameters:

Electrical Equivalence: Supply voltage range (1.05V ~ 1.15V), operating temperature range (0°C ~ 70°C), and protocol support (Ethernet IEEE 802.3 10/100/1000 Base-T/TX PHY).

Interface Compatibility: Identical interface protocols (RGMII, SGMII, SPI, UART) enabling direct functional replacement without redesign.

Mechanical Compatibility: Identical package type (105-VFQFN Dual Rows, Exposed Pad) and supplier device package (105-MRQFN 8x8) ensuring PCB footprint compatibility.

Regulatory Compliance: Matching ECCN (5A991B1) and HTSUS (8542.39.0001) classifications.

Manufacturing Status: Active production status ensuring availability and supply chain continuity.

The GSW120A3MC and GSW140A3MC meet all substitution criteria with the exception of moisture sensitivity level variance, which does not affect electrical or mechanical compatibility.

Parameter Comparison

Parameter	GSW141A3MC	GSW120A3MC	GSW140A3MC
Manufacturer	MaxLinear, Inc.	MaxLinear, Inc.	MaxLinear, Inc.
Category	Interface	Interface	Interface
Protocol	Ethernet	Ethernet	Ethernet
Function	Switch	Switch	Switch
Interface Types	RGMII, SGMII, SPI, UART	RGMII, SGMII, SPI, UART	RGMII, SGMII, SPI, UART
Standards	IEEE 802.3, 10/100/1000 Base-T/TX PHY	IEEE 802.3, 10/100/1000 Base-T/TX PHY	IEEE 802.3, 10/100/1000 Base-T/TX PHY
Voltage Supply Range	1.05V ~ 1.15V	1.05V ~ 1.15V	1.05V ~ 1.15V
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Package Type	105-VFQFN Dual Rows, Exposed Pad	105-VFQFN Dual Rows, Exposed Pad	105-VFQFN Dual Rows, Exposed Pad
Supplier Device Package	105-MRQFN (8x8)	105-MRQFN (8x8)	105-MRQFN (8x8)
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)
Packaging Format	Tray	Tray	Tray
Product Status	Active	Active	Active
ECCN	5A991B1	5A991B1	5A991B1
HTSUS	8542.39.0001	8542.39.0001	8542.39.0001
Current Stock Availability	3636 Pcs	3654 Pcs	8615 Pcs

Engineering Selection Recommendations

All three devices—GSW141A3MC, GSW120A3MC, and GSW140A3MC—are qualified substitutes based on identical electrical specifications, interface protocols, and mechanical packaging. Selection between these parts should be based on:

Supply Chain Availability: GSW140A3MC offers the highest current stock level (8615 units), followed by GSW120A3MC (3654 units) and GSW141A3MC (3636 units).

Moisture Sensitivity Considerations: GSW141A3MC and GSW120A3MC feature MSL 1 (Unlimited), while GSW140A3MC features MSL 3 (168 Hours). MSL rating affects storage and handling requirements but does not impact electrical performance or functional compatibility.

Regulatory Compliance: All three parts carry identical ECCN and HTSUS classifications, ensuring equivalent export control and tariff treatment.

Production Status: All devices maintain active production status, supporting long-term design continuity and supply reliability.

Frequently Asked Questions (FAQ)

Q: Can GSW120A3MC or GSW140A3MC be used as direct replacements for GSW141A3MC?

A: Yes. Both devices are direct substitutes, sharing identical electrical specifications, interface protocols (RGMII, SGMII, SPI, UART), supply voltage (1.05V ~ 1.15V), operating temperature range (0°C ~ 70°C), and package type (105-MRQFN 8x8). No circuit redesign is required.

Q: What is the difference in moisture sensitivity level between these parts?

A: GSW141A3MC and GSW120A3MC are rated MSL 1 (Unlimited moisture exposure), while GSW140A3MC is rated MSL 3 (168 hours maximum exposure before reflow). MSL affects component storage and handling procedures but does not alter electrical performance or functional compatibility.

Q: Are the package footprints identical across all three parts?

A: Yes. All three devices use the 105-VFQFN Dual Rows, Exposed Pad package with 105-MRQFN (8x8) supplier device package specification, ensuring identical PCB footprint compatibility.

Q: Do these parts support the same interface protocols?

A: Yes. GSW141A3MC, GSW120A3MC, and GSW140A3MC all support RGMII, SGMII, SPI, and UART interfaces and comply with IEEE 802.3 10/100/1000 Base-T/TX PHY standards.

Q: Which part should be selected for new designs?

A: Selection should prioritize current stock availability and supply chain requirements. GSW140A3MC offers the highest inventory level. All three parts are in active production and suitable for new designs.

Q: Are regulatory certifications identical across these substitutes?

A: Yes. All three parts share identical ECCN (5A991B1) and HTSUS (8542.39.0001) classifications, ensuring equivalent export control and tariff treatment.

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