Image Provided by Silicon LaboratoriesSI4021-A1-FTSilicon Laboratories Also known as: Cygnal Integrated Products, Energy Micro Description: RF TX IC FSK 433/868MHZ 16TSSOP Avg. Price $6.36 | Auth QOH 0 | Ind QOH 0 Part Status: Not For New Designs Lead Time: 12 week(s) Add to Part Lists Create New List Data Sheet Get Inventory Alert Distributor Disti# RoHS Status Pkg. Stock (as of) Price A Digi-Key336-1622-5-NDROHS3 CompliantTubeOn Order1$6.3610$5.68196$4.65865288$4.20413576$3.772341K$3.1815BUY Disti#: 336-1622-5-ND Pkg: Tube ROHS: ROHS3 Compliant1$6.3610$5.68196$4.65865288$4.20413576$3.772341K$3.1815