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Low Pass Filters

Freflex supplies high stopband rejection low pass filters in frequency range DC-50GHz. The low pass filters are widely used in many applications.

Features:
  • High Stopband Rejection
  • Small Size
Applications:
  • Telecom
  • Laboratory Test
  • Receivers
  • Instrumentation
Low Pass Filters
Part Number Passband (GHz) Insertion Loss (dB,Max.) VSWR (Max.) Stopband Attenuation (dB) Connectors
FLF-2-15-40 0.002~0.015 2.5 1.5 40@17~200MHz SMA
FLF-2.5-50 DC~0.0025 0.8 1.5 50@5~50MHz SMA
FLF-5-50 DC~0.005 1 1.5 50@8~50MHz SMA
FLF-10-50 DC~0.01 1 1.5 50@13~150MHz SMA
FLF-30-40 DC~0.03 1 1.5 40@45MHz, 60@60MHz SMA
FLF-32-40 DC~0.032 0.8 1.5 40@50-90MHz N
FLF-45-20 DC~0.045 1 1.7 20@0.07~0.09GHz SMA
FLF-55-35 DC~0.055 0.8 1.5 35@0.07~0.2GHz SMA
FLF-200-2400-60 0.2~2.4 5 1.5 60@3.6GHz SMA
FLF-300-40 DC~0.3 1 1.5 40@450MHz, 60@600MHz SMA
FLF-300-60 DC~0.3 0.5 1.5 60@0.643~3GHz SMA
FLF-330-60 DC~0.33 0.5 1.3 60@0.643~3GHz SMA
FLF-480-30 DC~0.48 3 1.5 30@0.53~3GHz SMA
FLF-1000-30 DC~1 0.9 1.2 30@1.9~5GHz SMA
FLF-1000-70 DC~1 1 1.5 70@1.3~4.2GHz SMA
FLF-1200-60 DC~1.2 1 1.5 60@1.8~8GHz SMA
FLF-1400-50 DC~1.4 2 1.6 50@2GHz max. SMA
FLF-2000-50 DC~2 1 1.5 50@2.3~4GHz, 40@4~7GHz SMA
FLF-2186-30 1.5~2.186 2 1.6 30@2.37~3GHz SMA
FLF-2200-30 DC~2.2 0.9 1.2(typ.) 30@3~5GHz SMA
FLF-2250-30 DC~2.25 1.2 1.2(typ.) 30@3~5GHz SMA
FLF-2400-58 DC~2.4 2 1.7 58@3~18GHz SMA
FLF-3000-30 DC~3 0.9 1.3(typ.) 30@4.78~7.5GHz SMA
FLF-3200-40 DC~3.2 1 1.5 40@3.8~18GHz SMA
FLF-3200-60 DC~3.2 1.5 1.5 60@3.6GHz, 60@3.6~20GHz SMA
FLF-3500-40 DC~3.5 1.5 1.5 40@3.85~18GHz SMA
FLF-3870-30 DC~3.87 2.5 1.7 30@4.32GHz SMA
FLF-4000-50 DC~4 1 2 50@4.7~8GHz SMA
FLF-4000-60 DC~4 1.5 1.3 60@4.5~12.3GHz SMA
FLF-4400-40 DC~4.4 0.73 1.2 40@6.28~9.8GHz SMA
FLF-5000-40 DC~5 0.68 1.2 40@7.05~10GHz SMA
FLF-5000-45 DC~5 1 2 45@5.8~10.5GHz SMA
FLF-5325-30 DC~5.325 1.5 1.5 30@5.925GHz SMA
FLF-5500-60 DC~5.5 3 2 60@6~20GHz SMA
FLF-6000-20 0.5~6 2 1.8 20@6.5GHz SMA
FLF-6000-45 DC~6 1 2 45@6.8~10.5GHz SMA
FLF-6000-60 DC~6 1.5 1.3 60@6.7~15.5GHz SMA
FLF-6500-30 DC~6.5 1 1.8 30@8~15GHz SMA
FLF-6500-60 DC~6.5 1.5 1.3 60@7.27~15.3GHz SMA
FLF-7000-48 DC~7 1 2 48@7.8~11GHz SMA
FLF-7000-50 DC~7 1.5 1.3 50@7.77~15.5GHz SMA
FLF-8000-40 DC~8 2 2 40@9~25GHz SMA
FLF-8000-40-1 DC~8 1.2 1.5 40@8.9~16GHz SMA
FLF-8000-50 DC~8 1.5 1.4 50@8.8~16.2GHz SMA
FLF-8000-50-1 DC~8 1 2 50@8.8~20GHz SMA
FLF-8000-50-2 DC~8 1.2 2 50@9~18GHz SMA
FLF-9000-50 DC~9 1.5 1.4 50@9.8~17GHz SMA
FLF-9000-50-1 DC~9 1 2 50@15~22GHz SMA
FLF-9000-60 DC~9 1 1.6 60@14~17GHz SMA
FLF-9500-50 DC~9.5 1.5 1.4 50@10.2~18GHz SMA
FLF-10000-20 DC~10 0.5 1.7 20@12GHz SMA
FLF-10000-30 DC~10 1 1.7 30@13.2GHz SMA
FLF-10000-30-1 DC~10 1 1.8 30@13~40GHz SMA
FLF-10000-35 DC~10 1 2 35@11GHz SMA
FLF-10000-50 DC~10 1.5 1.4 50@10.9~18.5GHz SMA
FLF-11000-50 DC~11 1.5 1.5 50@12.1~19GHz SMA
FLF-11000-50-1 DC~11 2 1.7 50@12~40GHz SMA
FLF-11700-50 DC~11.7 2 1.7 50@12.7~13.45GHz SMA
FLF-12000-70 DC~12 1 1.7 70@14~19GHz SMA
FLF-13000-50 DC~13 2 1.5 50@14.1~21GHz SMA
FLF-13000-55 DC~13 1.5 1.8 55@15.2~40GHz SMA
FLF-14000-45 DC~14 1 1.8 45@20~40GHz SMA
FLF-15000-50 DC~15 2.5 1.5 50@16~22.3GHz SMA
FLF-16000-50 DC~16 1.5 2 50@16.8~24GHz SMA
FLF-17000-50 DC~17 1.5 2 50@30~33GHz SMA
FLF-18000-15 DC~18 1 1.7 15@20GHz SMA
FLF-18000-35 DC~18 1.5 2 35@19~28GHz SMA
FLF-18000-40 DC~18 2 2 40@20~38GHz 2.92mm
FLF-18000-45 DC~18 1.2 2 45@28~40GHz SMA
FLF-18000-50 DC~18 3 1.6 50@19.1~26GHz SMA
FLF-18000-50-1 DC~18 2 2 50@18.8~19.5GHZ SMA
FLF-20000-25 DC~20 2 2 25@23~40GHz SMA
FLF-20000-50 DC~20 1.2 2 50@22GHz SMA
FLF-20000-60 DC~20 1 2 60@23~40GHz 2.92mm
FLF-20000-70 DC~20 1.5 1.8 70@24GHz SMA
FLF-20000-75 DC~20 1.5 2 75@24~44GHz SMA
FLF-25000-40 DC~25 2 2 40@28~30GHz 2.92mm
FLF-25000-40-1 DC~25 1.5 1.7 40@28~40GHz 2.92mm
FLF-25000-40-2 DC~25 2 2 40@28~40GHZ, 70@30~44GHz 2.92mm
FLF-26000-30 DC~26 1.5 1.7 30@28GHz 2.92mm
FLF-28000-30 DC~28 2 2 30@30~38GHz 2.4mm
FLF-33000-25 DC~33 3 2 25@37~50GHz 2.92mm
FLF-40000-20 DC~40 2 2 20@60GHz, 40@65GHz, 60@70GHz 2.92mm
FLF-50000-20 DC~50 2 2.5 20@60GHz 2.4mm