KSZ9031RNXVB-VAO Microchip Integrated Circuit (Quad Flat No-Lead) In Stock

Microchip KSZ9031RNXVB-VAO is a single-port Gigabit Ethernet PHY transceiver supporting 1000 Mbps data rates with RGMII interface in a compact 48-pin VQFN package. Designed for industrial and embedded networking applications with a 18-year product longevity commitment. Available in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified Jun 2026
Package / Visual Reference
KSZ9031RNXVB-VAOQuad Flat No-Lead
Quick Facts
Manufacturer
Microchip
Package
Quad Flat No-Lead
Pin Count
48
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $5.7500(MOQ 22)
Temp Range
-40.0°C to 105.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Single-port full-duplex Gigabit Ethernet PHY transceiver (4Tx/4Rx) supporting 10/100/1000 Mbps auto-negotiation for seamless LAN connectivity
  • 48-pin VQFN (JESD-30: S-XQCC-N48) compact no-lead package minimizes PCB footprint for space-constrained embedded networking designs
  • 18-year product longevity commitment (YTEOL: 18) introduced in 2017, ensuring long-term supply for industrial and infrastructure equipment
  • RoHS-compliant Pb-free construction (JESD-609: e3) meets global environmental regulations for industrial and commercial networking equipment

Applications

The KSZ9031RNXVB-VAO is designed for industrial Ethernet switches, embedded Linux SBCs, and network-attached storage (NAS) devices requiring reliable Gigabit connectivity. It is commonly used in PLCs, industrial automation gateways, and ruggedized routers where long product availability and stable Ethernet performance are essential. Its compact VQFN-48 package supports high-density board layouts in communication infrastructure and edge computing hardware.

Specifications

Manufacturer Package CodeVQFN-48
Factory Lead Time7Weeks
Date Of Intro2017-05-26
YTEOL18
Data Rate1000000Mbps
JESD-30 CodeS-XQCC-N48
JESD-609 Codee3
Number of Functions1
Number of Transceivers1
Package Body MaterialUNSPECIFIED
Package Equivalence CodeLCC48,.27SQ,20
Package ShapeSQUARE
Package StyleCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)260
Screening LevelAEC-Q100
Supply Voltage-Nom1.2V
Surface MountYES
Telecom IC TypeETHERNET TRANSCEIVER
Temperature GradeINDUSTRIAL
Terminal FinishMatte Tin (Sn)
Terminal FormNO LEAD
Terminal Pitch0.5mm
Terminal PositionQUAD
## KSZ9031RNXVB-VAO Alternates Showing resultsImage
PackageQuad Flat No-Lead

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 3
ECCNEAR99
HTS Code8542.39.00.01
Country of OriginTaiwan

Datasheet

KSZ9031RNXVB-VAO Datasheet Download

Official datasheet from Microchip

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for KSZ9031RNXVB-VAO:

Frequently Asked Questions

What data rate does the KSZ9031RNXVB-VAO support?

The KSZ9031RNXVB-VAO supports Gigabit Ethernet speeds with a 1000 Mbps data rate, in addition to backward-compatible 10/100 Mbps operation through auto-negotiation. It implements a full-duplex 4-channel transceiver (4Tx/4Rx) for full Gigabit throughput over standard Cat5e or Cat6 cables.

What package does the KSZ9031RNXVB-VAO come in?

The KSZ9031RNXVB-VAO is housed in a 48-pin VQFN (Very thin Quad Flat No-lead) package with JESD-30 designation S-XQCC-N48. This surface-mount no-lead package provides a compact footprint with good thermal performance, suitable for high-density PCB layouts in embedded networking and industrial applications.

What is the product longevity of the KSZ9031RNXVB-VAO?

The KSZ9031RNXVB-VAO has a YTEOL (Years to End of Life) rating of 18 years from its 2017 introduction date, demonstrating Microchip's commitment to long-term supply for industrial customers. This extended availability is critical for industrial automation, medical, and infrastructure equipment with 10-15 year product lifecycles.

Is the KSZ9031RNXVB-VAO suitable for industrial networking applications?

Yes, the KSZ9031RNXVB-VAO is well suited for industrial Ethernet applications. Its 18-year longevity commitment, RoHS-compliant Pb-free construction, and robust Gigabit PHY functionality make it ideal for industrial switches, PLCs, motion controllers, and factory automation gateways that require reliable long-term Gigabit Ethernet connectivity.

What is the typical factory lead time for the KSZ9031RNXVB-VAO?

The factory lead time for the KSZ9031RNXVB-VAO is approximately 7 weeks when ordered directly from Microchip through authorized distribution channels. For projects requiring faster delivery, in-stock units may be available through authorized distributors worldwide, allowing immediate shipment without the full factory lead time.

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
$
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About Microchip

Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
From $5.7500
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
22+$9.1792$201.94
29+$8.8732$257.32
38+$7.9553$302.30
100+$6.5600$656.00
1000+$6.0700$6070.00
5000+$5.7500$28750.00
pcs
Unit price: $9.1792 · Total: $201.94

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany