The F2956 is a high power, reflective 50Ω, single-pole double-throw (SP2T) RF switch. The device covers a 100MHz to 8GHz frequency range to support a wide variety of applications including WLAN 802.11.

The F2956 uses a single positive supply voltage and is compatible with both 1.8V and 3.3V control logic.


  • Low insertion loss: 0.58dB at 2.5GHz
  • High isolation: 44dB at 2.5GHz
  • Excellent linearity:
    • IIP3 +69dBm at 2.4GHz and 5.9GHz
    • IIP2 +115dBm at 2.4GHz
    • IIP2 +117dBm at 5.9GHz
  • Second harmonic: -93dBc at 5.9GHz
  • Third harmonic: -85dBc at 5.9GHz
  • Typical switching speed: 170ns
  • Supply voltage: +2.7V to +5.5V
  • 1.8V and 3.3V compatible control logic
  • -40°C to +105°C operating temperature range
  • 1.5  × 1.5 mm, 6-pin DFN package

Product Options

Orderable Part ID Part Status Pkg. Type Lead Count (#) Temp. Grade Carrier Type Package Buy Sample
RA81F2956STGN#BA0 Active DFN 6 I Tray Package Info
RA81F2956STGN#HA0 Active DFN 6 I Reel Package Info

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
F2956 Short-Form Datasheet Short Form Datasheet PDF 182 KB
RF Switches Family Overview 日本語, 简体中文 Overview PDF 695 KB
IDT Products for Wired Broadband Applications Application Briefs PDF 686 KB
IDT Products for Radio Applications 日本語 Product Brief PDF 2.34 MB

Boards & Kits

Part Number Title Type Company
F2956EVB Evaluation board for the F2956 High Linearity SP2T WiFi RF Switch Evaluation