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.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- KSZ9031RNXVB-VAO Datasheet PDF
- 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
What are the key features of KSZ9031RNXVB-VAO?
- 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
What is KSZ9031RNXVB-VAO used for?
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.
What are the specifications of KSZ9031RNXVB-VAO?
| Manufacturer Package Code | VQFN-48 |
| Factory Lead Time | 7Weeks |
| Date Of Intro | 2017-05-26 |
| YTEOL | 18 |
| Data Rate | 1000000Mbps |
| JESD-30 Code | S-XQCC-N48 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Transceivers | 1 |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | LCC48,.27SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Screening Level | AEC-Q100 |
| Supply Voltage-Nom | 1.2V |
| Surface Mount | YES |
| Telecom IC Type | ETHERNET TRANSCEIVER |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| ## KSZ9031RNXVB-VAO Alternates Showing results | Image |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan |
Where can I find the KSZ9031RNXVB-VAO datasheet?
KSZ9031RNXVB-VAO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for KSZ9031RNXVB-VAO?
Compatible alternatives and drop-in replacements for KSZ9031RNXVB-VAO:
suggested
suggested
suggested
suggested
suggested
suggested
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.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
| Qty. | Unit Price | Ext. 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 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit