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

注文可能な製品ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Carrier Type 購入/サンプル
F2971NCGK Active NCG20P1 VFQFPN 20 K Tray
F2971NCGK8 Active NCG20P1 VFQFPN 20 K Reel


タイトル 他の言語 タイプ 形式 サイズ 日付
F2971 Datasheet Rev O Datasheet PDF 4.91 MB
RF Switches Family Overview (日本語) English, 简体中文 Overview PDF 695 KB
IDT Products for Radio Applications (日本語) English Product Brief PDF 2.34 MB

Evaluation Boards

Part Number Title 昇順で並び替え
F2971EVBI Evaluation Board for 75 Ohm SP2T Absorptive RF Switch