# 40mmSqaure13.56MHzAntenna 2.41uH ## Description 2.41uH Inductor @ targeted 13.56MHz NFC Inductor Played around in the [ST coil calculator](https://eds.st.com/antenna/#/) assumption: dielectric constant of 4.5 trace thickness of 35um (1oz/sqft) results: 40x40mm 300um trace width 410um spacing 5 turns #NFC #coil #inductor #pcbinductor ## Project Details - **Owner:** aj2 - **Created:** 11/22/2024 - **Last Updated:** 11/22/2024 - **Visibility:** Public ## Key Components ### LED1 — [LED simulator template](https://www.flux.ai/nico/example-led-simulator-template~o0.md) - Datasheet URL: https://page.venkel.com/hubfs/Resources/Datasheets/LEDs/CTL1206FYW1T.pdf - Forward Voltage: 1.70V - Part Type: LED - Manufacturer Part Number: CTL1206FYW1T **Pins:** - A [pin 2] - K [pin 1] ### U1 — [NT3H2111W0FTTJ](https://www.flux.ai/jecstronic/nt3h2111w0fttj~q6.md) - Part Type: Integrated Circuit - Manufacturer Name: NXP USA Inc. - Datasheet URL: https://www.nxp.com/docs/en/data-sheet/NT3H2111_2211.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: NT3H2111W0FTTJ **Pins:** - FD [pin 4] - LA [pin 1] - LB [pin 8] - SCL [pin 3] - SDA [pin 5] - VCC [pin 6] - VOUT [pin 7] - VSS [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/aj2/40mmsqaure13p56mhzantenna-2p41uh~wd](https://www.flux.ai/aj2/40mmsqaure13p56mhzantenna-2p41uh~wd).* --- *Generated from [https://www.flux.ai/aj2/40mmsqaure13p56mhzantenna-2p41uh~wd](https://www.flux.ai/aj2/40mmsqaure13p56mhzantenna-2p41uh~wd)*