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GaAs MMIC SPDT Switch 1~4GHz

General Description

SAC3219A is a GaAs pHEMT SPDT MMIC chip with a frequency of 1~4.0GHz. The chip use GaAs 0.25μm pHEMT process production, integrated control driver function, using +5V single power supply, CMOS level control.
The back of the chip is metallized, which is suitable f or eutectic sintering or conductive adhesive bonding process.


  • Frequency Range: 1~4 GHz
  • Isolation: 47dB
  • Insertion Loss: 0.7dB@18GHz
  • Supply Voltage: +5V
  • Control Voltage: 0/+5V
  • Nanosecond Switch
  • Die Size:1.73mm×1.21mm×0.1 mm

Typical Applications Radar and ECM
RF/ Microwave radio
Military and Space
Test and Measurement
Fiber Optics

Product Data Complete Data Sheet


  • Input power +20dBm
  • Operating Temperature -55℃~+85℃
  • Supply Voltage +5.5V
  • Control Voltage Range Low level: 0~0.5V;High level:3.7~5.0V
  • Storage Temperature -65℃~+150℃