
KSZ9031RNXIC
$2.83
MICROCHIP KSZ9031RNXIC
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KSZ9031RNXIC – Quad-Port Gigabit Ethernet Transceiver – Microchip Technology
The KSZ9031RNXIC from Microchip Technology is a high-performance quad-port Gigabit Ethernet transceiver IC designed for reliable, high-speed network connectivity in embedded systems. Ideal for industrial automation and enterprise applications, it delivers robust signal integrity with low power consumption, ensuring seamless data transmission. PCX supplies this active-status component with guaranteed quality and same-day shipping.
Key Features
- Interface Type: 4×4 Transceiver with Full Duplex Support
- Protocol: Gigabit Ethernet (10/100/1000BASE-T)
- Voltage Supply: Flexible 1.8V, 2.5V, or 3.3V Operation
- Temperature Range: Industrial-Grade -40°C to 85°C
- Package: 48-QFN (7×7) Surface-Mount Design
Technical Details
This integrated circuit features four independent drivers and receivers, supporting IEEE 802.3 standards for Ethernet communication. Its advanced signal conditioning enables error-free data transfer up to 1Gbps across extended temperature environments. The compact 48-VFQFN exposed pad package optimizes thermal management in space-constrained PCB layouts, while the tray packaging ensures damage-free transit.
Typical Applications
- Industrial control systems and PLCs
- Network switches and routers
- Embedded computing platforms
- Medical diagnostic equipment
- Telecommunications infrastructure
About Microchip Technology
Microchip Technology is a global leader in microcontroller, mixed-signal, and connectivity solutions, renowned for innovation in embedded control systems. With over 30 years of industry expertise, they deliver semiconductor products that meet rigorous quality standards for automotive, industrial, and consumer markets.
The company’s commitment to reliability is evidenced by extensive validation processes and long-term product lifecycle support. Microchip’s Ethernet portfolio, including the KSZ9000 series, is widely adopted in mission-critical applications due to its exceptional noise immunity and power efficiency.
About Ethernet Transceivers
Ethernet transceivers like the KSZ9031RNXIC serve as the physical layer (PHY) interface between network controllers and twisted-pair cables, handling analog signal conversion and transmission. They are fundamental in enabling wired network communications across diverse electronic systems, translating digital data into compliant electrical signals.
Modern transceivers optimize speed-distance tradeoffs while minimizing electromagnetic interference. Their integration reduces system complexity versus discrete solutions, making them essential for IoT gateways, robotics, and other latency-sensitive applications requiring deterministic data exchange.
Packaging Options
PCX supplies this Microchip Ethernet IC in industry-standard tray packaging. Custom reel options may be available for volume orders – contact our support team for details.
Frequently Asked Questions
Question: Does this transceiver support auto-negotiation for speed selection?
Answer: Yes, it automatically negotiates 10/100/1000 Mbps operation with linked devices.
Question: Is the KSZ9031RNXIC compatible with 3.3V microcontroller interfaces?
Answer: Absolutely – it natively supports 3.3V logic alongside 1.8V and 2.5V for design flexibility.
Question: Can this IC operate in harsh industrial environments?
Answer: Certified for industrial temperature ranges (-40°C to 85°C), it withstands vibration, EMI, and thermal extremes.
Question: Does PCX provide design documentation?
Answer: Yes, access the full datasheet here for schematics and layout guidelines.
Question: How does this transceiver prevent signal degradation?
Answer: It features adaptive equalization and baseline wander correction for 150-meter cable runs.
Question: Are evaluation boards available for prototyping?
Answer: PCX stocks compatible development kits – inquire via our technical support portal.
Product images are representational; refer to datasheet for exact dimensions.
Get Connected Today
Ensure seamless network integration with this industrial-grade Microchip transceiver. Order the KSZ9031RNXIC from PCX now for same-day dispatch and dedicated technical support!
Additional Information
| Category | Integrated Circuits (ICs)InterfaceDrivers, Receivers, Transceivers |
|---|---|
| Brand | Microchip Technology |
| Manufacturer | Microchip Technology |
| Packaging | Tray |
| Part Status | Active |
| Type | Transceiver |
| Protocol | Ethernet |
| Number of Drivers/Receivers | 4/4 |
| Duplex | Full |
| Voltage - Supply | 1.8V, 2.5V, 3.3V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 48-VFQFN Exposed Pad |
| Supplier Device Package | 48-QFN (7×7) |
| Base Product Number | KSZ9031 |
| Full Description | KSZ9031RNXIC |


