The F2971 is a rugged, low insertion loss, 75Ω SP2T (SPDT) absorptive RF switch designed for wide range of CATV and Broadband RF applications. This device covers a broad frequency range from 5MHz to 3000MHz. In addition to having excellent linearity and isolation performance, it also provides a 75Ω termination to the isolated RF port. The F2971 features an internally-switched termination resistor on the RF common port.


  • Single pole double throw with absorptive terminations on the isolated port
  • Leading performance RF over 5–3000 MHz
    • Isolation: 65dB at 1200MHz
    • Insertion loss: 0.45dB at 1200MHz
  • High continuous RF CW power handling at 85°C
    • Selected RF path: 27dBm
    • Terminated RF path: 24dBm
  • High linearity:
    • IIP2 / IIP3: 95 / 63 dBm
    • CSO & CTB:  -90dBc
  • Single 2.70V to 3.60V supply voltage
  • 3.3V and 1.8V compatible control logic
  • Operating temperature -40 to +105°C
  • 4 × 4 mm 20-LQFN package

Product Options

Part Number Part Status Pkg. Type Lead Count (#) Temp. Grade Carrier Type Buy Sample
Active VFQFPN 20 K Tray
Active VFQFPN 20 K Reel

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
F2971 Datasheet Rev O Datasheet PDF 5.07 MB
User Guides & Manuals
RF Product Selection Guide Guide PDF 3.64 MB
RF Switches Family 日本語, 简体中文 Product Brief PDF 438 KB

Boards & Kits

Part Number Title Type Company
F2971EVBI Evaluation Board for 75 Ohm SP2T Absorptive RF Switch Evaluation Renesas