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Manually Variable Attenuators

Freflex supplies low VSWR and high attenuation flatness from DC to 40GHz. The attenuation range is 0~129dB, attenuation steps are 0.1dB, 1dB, 10dB.

Features:
  • Low VSWR
  • High Attenuation Flatness
Applications:
  • Wireless
  • Radar
  • Laboratory Test
Manually Variable Attenuators

Rotary Stepped Attenuators

Part Number Frequency (GHz) Attenuation Range/Step (dB/dB) Power (W) Connectors Lead Time (Weeks)
FSA06A DC~6 0~1/0.1, 0~10/1, 0~60/10, 0~70/10, 0~90/10 2, 10 SMA, N 2~6
FSA06B DC~6 0~11/0.1, 0~50/1, 0~70/1, 0~100/1 2, 10 SMA, N 2~6
FSA06C DC~6 0~11/0.1, 0~70/1, 0~100/1 2, 10 N 2~6
FSA06D DC~6 0~71/0.1, 0~101/0.1, 0~95/1, 0~110/1, 0~121/1 2, 10 N 2~6
FSA18A DC~18 0~9/1, 0~70/10, 0~90/10 2, 10, 25 SMA 2~6
FSA18B DC~18 0~69/1, 0~99/1 2, 5 SMA 2~6
FSA18C DC~18 0~99.9/0.1, 0~109/1, 0~119/1, 0~129/1 2, 5 N, SMA 2~6
FSA26A DC~26.5 0~69/1, 0~99/1 2, 10 3.5mm, SMA, N 2~6
FSA26B DC~26.5 0~9/1, 0~60/10, 0~70/10 2, 10, 25 3.5mm 2~6
FSA28A DC~28 0~9/1， 0~60/10, 0~70/10， 0~90/10 2, 10, 25 3.5mm, SMA 2~6
FSA28B DC~28 0~99/1, 0~109/1 5 3.5mm 2~6
FSA40 DC~40 0~9/1 2 2.92mm, 3.5mm 2~6

Continuously Variable Attenuators

Part Number Frequency (GHz) Attenuation Range (dB) Power (W) Connectors Lead Time (Weeks)
FCA1 DC~2.5 0~10, 0~16 1 SMA, N 2~6
FCA10-0.5-4-20 0.5~4 0~20 10 N 2~6
FCA75 0.9~4 0~10, 0~15 75 N 2~6
FCA50 0.9~11 0~8, 0~10 50 N 2~6
FCAK1 0.9~11 0~10, 0~15, 0~20, 0~30 100 N 2~6
FCAK3 0.9~12.4 0~10, 0~15, 0~20 300 N 2~6
FCA10-2-18-40 2~18 0~40 10 SMA, N 2~6