Datasheets
KSZ9031RNXCA by:

Ethernet Transceiver, 1-Trnsvr, QFN-48

Part Details for KSZ9031RNXCA by Micrel Inc

Results Overview of KSZ9031RNXCA by Micrel Inc

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KSZ9031RNXCA Information

KSZ9031RNXCA by Micrel Inc is a Network Interface.
Network Interfaces are under the broader part category of Telecommunication Circuits.

A telecommunications circuit transmits and receives information between points. Key components include transmitters, receivers, amplifiers, and multiplexers. Read more about Telecommunication Circuits on our Telecommunication Circuits part category page.

Price & Stock for KSZ9031RNXCA

Part # Distributor Description Stock Price Buy
DISTI # SMC-KSZ9031RNXCA
Sensible Micro Corporation XIC 10/100/1000 Ethernet Transc RoHS: Compliant Min Qty: 25 Lead time: 0 Weeks, 1 Days Date Code: 1805 Container: Trays 5
  • 100 $1.7454
  • 500 $1.7006
  • 1,000 $1.6111
$1.6111 / $1.7454 RFQ
Win Source Electronics PHY 1-CH 10Mbps/100Mbps/1Gbps 48-Pin QFN EP Tray / IC TXRX ETHERNET 48QFN 8089
  • 14 $3.5950
  • 30 $3.3630
  • 47 $3.2470
  • 67 $3.0150
  • 87 $2.8990
  • 108 $2.7830
$2.7830 / $3.5950 Buy Now

Part Details for KSZ9031RNXCA

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KSZ9031RNXCA Part Data Attributes

KSZ9031RNXCA Micrel Inc
Buy Now Datasheet
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KSZ9031RNXCA Micrel Inc Ethernet Transceiver, 1-Trnsvr, QFN-48
Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer MICREL INC
Package Description QFN-48
Reach Compliance Code compliant
Data Rate 1000000 Mbps
JESD-30 Code S-XQCC-N48
Length 7 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 48
Number of Transceivers 1
Operating Temperature-Max 70 °C
Operating Temperature-Min
Package Body Material UNSPECIFIED
Package Code HVQCCN
Package Equivalence Code LCC48,.27SQ,20
Package Shape SQUARE
Package Style CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 0.9 mm
Supply Voltage-Nom 1.2 V
Surface Mount YES
Telecom IC Type ETHERNET TRANSCEIVER
Temperature Grade COMMERCIAL
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 40
Width 7 mm

KSZ9031RNXCA Related Parts

KSZ9031RNXCA Frequently Asked Questions (FAQ)

  • The recommended PCB layout for the KSZ9031RNXCA involves placing the device near the RJ-45 connector, using a solid ground plane, and minimizing the length of the traces between the device and the magnetics. A 4-layer PCB is recommended, with the top layer for signals, the second layer for the ground plane, the third layer for power, and the bottom layer for the ground plane.

  • To optimize the performance of the KSZ9031RNXCA in a noisy environment, ensure proper shielding, use a common-mode choke, and add ferrite beads to the power supply lines. Additionally, use a low-ESR capacitor for the 1.2V power supply and a 10uF capacitor for the 2.5V power supply.

  • The KSZ9031RNXCA supports a maximum cable length of 100 meters, as per the IEEE 802.3u standard for Fast Ethernet.

  • Yes, the KSZ9031RNXCA is compatible with PoE applications, but it requires an external PoE controller and a power management unit to handle the power delivery.

  • To troubleshoot issues with the KSZ9031RNXCA, check the power supply voltages, ensure proper termination, and verify the clock signal. Use an oscilloscope to check the signal integrity and a protocol analyzer to verify the Ethernet packets.

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