KSZ8041RNL TR Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip KSZ8041RNL TR is a single-channel 10/100 Mbps Fast Ethernet PHY transceiver supporting MII and RMII interfaces. It delivers full-duplex and half-duplex operation with auto-negotiation in a compact 32-pin QFN package. Suitable for embedded networking, industrial automation, and consumer LAN applications.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 33
- Lifecycle
- ACTIVE
- Datasheet
- KSZ8041RNL TR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5482(MOQ 100)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of KSZ8041RNL TR?
- 10/100 Mbps auto-negotiation with full-duplex and half-duplex support for flexible Ethernet connectivity
- MII and RMII interface compatibility enabling integration with a wide range of MAC controllers
- 32-pin QFN EP package with exposed pad for improved thermal performance on compact PCBs
- Energy Detect Power-Down mode reducing power consumption when link is absent
- Supports HP Auto-MDIX eliminating need for crossover cables in point-to-point connections
What is KSZ8041RNL TR used for?
The KSZ8041RNL TR is designed for embedded systems requiring 10/100 Mbps Ethernet connectivity, such as industrial automation controllers, network cameras, and smart home gateways. Its RMII interface simplifies integration with low-pin-count microcontrollers and FPGAs. The compact 32-pin QFN package suits space-constrained PCB designs in medical monitors, routers, and VoIP equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the KSZ8041RNL TR datasheet?
KSZ8041RNL TR Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for KSZ8041RNL TR?
Compatible alternatives and drop-in replacements for KSZ8041RNL TR:
Frequently Asked Questions
What Ethernet speeds does KSZ8041RNL TR support and which interface modes are available?
The KSZ8041RNL TR supports 10 Mbps and 100 Mbps Ethernet with auto-negotiation and provides both MII and RMII interface options. Full-duplex operation at 100 Mbps yields up to 200 Mbps aggregate throughput, making it capable for most embedded networking applications.
How does the KSZ8041RNL TR Energy Detect Power-Down mode extend battery life in portable designs?
When the Ethernet link is absent, the KSZ8041RNL TR enters Energy Detect Power-Down, reducing supply current significantly from the normal operating level. This power-saving feature is valuable in battery-operated industrial handheld devices where the PHY must remain off until a cable connection is detected.
For a space-constrained industrial controller PCB, what footprint advantage does the 32-pin QFN package offer?
The 32-pin QFN EP package has a very compact footprint with an exposed thermal pad, enabling dense board layouts typical in industrial controllers with less than 5 mm x 5 mm silicon area. The exposed pad also improves heat dissipation during sustained 100 Mbps full-duplex operation without external heatsinks.
When is KSZ8041RNL TR a suitable alternative to KSZ8001 for embedded Ethernet designs?
KSZ8041RNL TR suits designs where a smaller 32-pin QFN replaces the larger KSZ8001 package and RMII is preferred over MII to reduce pin count on the MAC side. Both support 10/100 Mbps, but KSZ8041RNL TR offers integrated HP Auto-MDIX and Energy Detect for modern energy-efficiency requirements.
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 |
|---|---|---|
| 100+ | $0.5668 | $56.68 |
| 250+ | $0.5575 | $139.38 |
| 500+ | $0.5482 | $274.10 |
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