中功率固定衰减器

在某些模块或射频系统中，当输出功率过高并可能损坏系统或设备时，衰减器可在不干扰或改变信号波形及数据的情况下降低输出功率。衰减器不仅能改善阻抗匹配、保障电路的可靠性，还可用于匹配两个不同电路或器件之间的电平。Psatek 提供工作功率 1W 至 500W 的固定衰减器，频率范围从 DC 到 67GHz，并有多种连接器可供选择。如需报价，请联系销售团队（sales@psatek.com）。

    10W Fixed Attenuators



    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB)
    VSWR
    Max
    		Connector
    3 6 10 20 30 40
    PFA03S10-XX DC~3 0.4 0.4 0.4 0.4 0.4 0.4 1.15 SMA
    PFA04S10-XX DC~4 0.4 0.4 0.4 0.4 0.4 0.4 1.15 SMA
    PFA06S10-XX DC~6 0.4 0.4 0.5 0.5 0.5 0.5 1.2 SMA
    PFA08S10-XX DC~8 0.4 0.4 0.5 0.5 0.5 0.5 1.2 SMA
    PFA12S10-XX DC~12.4 0.6 0.6 0.6 0.6 0.6 0.6 1.25 SMA
    PFA18S10-XX DC~18 0.8 0.8 1.0 1.0 1.0 1.0 1.3 SMA
    PFA26S10-XX DC~26.5 -0.5/+1.0 -0.5/+1.0 -0.5/+1.5 -0.5/+1.2 1.2 1.2 1.35 SMA
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    1~9 10 20 30 - -
    PFA04T10-XX DC~4 0.3 0.3 0.3 0.3 - - 1.15 TNC
    PFA08T10-XX DC~8 0.6 0.6 0.6 0.6 - - 1.2 TNC
    PFA12T10-XX DC~12.4 0.6 0.6 0.6 0.6 - - 1.25 TNC
    PFA18T10-XX DC~18 0.8 0.8 0.8 1.0 - - 1.35 TNC
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    40 50 60 70 80 90
    PFA04T10-XX DC~4 0.75 0.75 0.75 1.0 1.0 1.5 1.15 TNC
    PFA08T10-XX DC~8 0.75 0.75 0.8 1.0 1.0 1.5 1.2 TNC
    PFA12T10-XX DC~12.4 1.25 1.25 1.0 1.2 1.2 2.0 1.25 TNC
    PFA18T10-XX DC~18 1.5 1.5 1.5 1.5 2.0 2.5 1.35 TNC
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    1~9 10 20 30 40 -
    PFA03410-XX DC~3 0.4 0.5 0.6 0.6 0.8 - 1.2 4.3-10
    PFA04410-XX DC~4 0.5 0.6 0.6 0.6 0.8 - 1.2 4.3-10
    PFA06410-XX DC~6 0.5 0.6 0.6 0.6 0.8 - 1.25 4.3-10
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    1~9 10 20 30 40 -
    PFA26210-XX DC~26.5 - 1.0 1.0 1.0 1.0 - 1.25 2.4mm
    PFA32210-XX DC~32 - -1.0/+1.5 -1.0/+1.2 -1.0/+1.2 -1.0/+1.5 - 1.35 2.4mm
    PFA40210-XX DC~40 - -1.0/+2.0 -1.0/+1.5 -1.0/+1.5 -1.0/+2.5 - 1.4 2.4mm
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    1~9 10 20 30 40 -
    PFA03N10-XX 0.1~3 0.4 0.5 0.6 0.6 0.8 - 1.15 N
    PFA06N10-XX 3~6 0.5 0.6 0.6 0.6 0.8 - 1.3 N
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    6 10 20 30 40 -
    PFA26K10-XX DC~26.5 1.0 1.0 1.0 1.0 1.0 - 1.25 2.92mm
    PFA32K10-XX DC~32 -1.0/+1.5 -1.0/+1.5 -1.0/+1.2 -1.0/+1.2 -1.0/+1.5 - 1.35 2.92mm
    PFA40K10-XX DC~40 -1.0/+2.0 -1.0/+2.0 -1.0/+1.5 -1.0/+1.5 -1.0/+2.0 - 1.4 2.92mm
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    1~10 20 30 40 50 60
    PFA12310-XX DC~12.4 0.6 0.5 0.5 0.7 1.0 1.5 1.15 3.5mm
    PFA18310-XX DC~18 0.8 0.8 0.8 1.0 1.2 1.5 1.2 3.5mm
    PFA26310-XX DC~26.5 1.0 1.2 1.2 1.2 1.5 1.5 1.25 3.5mm



    20W Fixed Attenuators


    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB)
    VSWR
    Max
    		Connector
    10 20 30 40 - -
    PFA26220-XX DC~26.5 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 - - 1.3 2.4mm
    PFA32220-XX DC~32 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 - - 1.4 2.4mm
    PFA40220-XX DC~40 -1.5/+3.0 -1.5/+2.5 -1.5/+2.5 -1.5/+2.5 - - 1.4 2.4mm
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB)
    VSWR
    Max
    		Connector
    3 10 20 30 40 -
    PFA26K20-XX DC~26.5 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 - 1.3 2.92mm
    PFA32K20-XX DC~32 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 - 1.4 2.92mm
    PFA40K20-XX DC~40 -1.5/+3.0 -1.5/+3.0 -1.0/+2.0 -1.0/+2.0 -1.0/+2.0 - 1.4 2.92mm







    25W Fixed Attenuators


    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB)
    VSWR
    Max
    		Connector
    10 20 30 40 - -
    PFA04T25-XX DC~4 0.4 0.5 0.5 0.5 - - 1.15 TNC
    PFA08T25-XX DC~8 0.4 0.5 0.5 0.5 - - 1.2 TNC
    PFA12T25-XX DC~12.4 0.5 0.8 0.8 0.8 - - 1.25 TNC
    PFA18T25-XX DC~18 1.0 1.0 1.0 1.0 - - 1.35 TNC
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    10 20 30 40 - -
    PFA08S25-XX DC~8 0.4 0.5 0.5 0.5 - - 1.2 SMA
    PFA12S25-XX DC~12.4 0.5 0.8 0.8 0.8 - - 1.25 SMA
    PFA18S25-XX DC~18 1.0 1.0 1.0 1.0 - - 1.3 SMA
    PFA26S25-XX DC~26.5 1.2 1.2 1.2 1.2 - - 1.35 SMA
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    1~9 10 20 30 40 -
    PFA03425-XX DC~3 0.4 0.5 0.6 0.6 0.8 - 1.2 4.3~10
    PFA04425-XX DC~4 0.5 0.6 0.6 0.6 0.8 - 1.25 4.3~10
    PFA06425-XX DC~6 0.5 0.6 0.6 0.6 0.8 - 1.25 4.3~10
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    1~9 10 20 30 40 -
    PFA03N25-XX 0.1~3 0.4 0.5 0.6 0.6 1.0 - 1.15 N
    PFA06N25-XX 3~6 0.5 0.6 0.75 0.75 1.0 - 1.3 N
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    3 6, 10 20 30 40 50, 60
    PFA12325-XX DC~12.4 0.8 1.0 0.8 0.8 1.0 1.0 1.2 3.5mm
    PFA18325-XX DC~18 0.8 1.0 0.8 1.0 1.0 1.0 1.25 3.5mm
    PFA26325-XX DC~26.5 -0.9/+0.8 1.0 -0.9/+1.0 -0.8/+1.0 -0.8/+1.2 1.5 1.3 3.5mm







    30W Fixed Attenuators


    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB)
    VSWR
    Max
    		Connector
    - - - 30 40 -
    PFA18K30-XX DC~18 - - - -1.0/+1.5 -1.0/+1.5 - 1.25 2.92mm
    PFA26K30-XX DC~26.5 - - - -1.0/+2.0 -1.0/+2.0 - 1.3 2.92mm
    PFA32K30-XX DC~32 - - - -1.0/+2.0 -1.0/+2.0 - 1.4 2.92mm
    PFA40K30-XX DC~40 - - - -1.0/+2.0 -1.0/+2.5 - 1.4 2.92mm






    50W Fixed Attenuators



    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    3 6 10 20 30 40
    PFA04T50-XX DC~4 0.8 1.0 1.0 1.0 0.8 1.0 1.15 TNC
    PFA08T50-XX DC~8 0.8 1.0 1.0 1.0 0.8 1.0 1.2 TNC
    PFA12T50-XX DC~12.4 0.8 1.0 1.0 1.2 0.8 1.2 1.3 TNC
    PFA18T50-XX DC~18 1.5 1.5 1.5 1.5 1.0 1.5 1.4 TNC
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    3 6 10 20 30 40
    PFA03N50-XX 0.1~3 0.3 0.3 0.3 0.3 0.4 0.5 1.15 N
    PFA06N50-XX 3~6 0.4 0.4 0.4 0.4 0.5 0.8 1.3 N
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    10 20 30 40 - -
    PFA03450-XX DC~3 0.3 0.6 0.4 0.5 - - 1.15 4.3~10
    PFA04450-XX DC~4 0.3 0.6 0.4 0.5 - - 1.15 4.3~10
    PFA06450-XX DC~6 0.4 0.6 0.5 0.75 - - 1.2 4.3~10
    PFA08450-XX DC~8 0.6 0.6 0.75 1.0 - - 1.3 4.3~10
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    10 20 30 40 - -
    PFA18M50-XX DC~18 1.0 1.0 0.8 1.0 - - 1.25 SMK(2.92)
    PFA26M50-XX DC~26.5 1.5 1.0 1.5 1.0 - - 1.3 SMK(2.92)
    PFA32M50-XX DC~32 2.5 2.0 1.5 1.5 - - 1.35 SMK(2.92)
    PFA40M50-XX DC~40 2.5 2.0 3.0 3.0 - - 1.6 2.92mm
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    3 6 10 20~30 40~50 60
    PFA12350-XX DC~12.4 0.8 1.0 1.0 0.9 1.0 1.0 1.2 3.5mm
    PFA18350-XX DC~18 0.8 1.0 1.0 1.0 1.0 1.0 1.25 3.5mm
    PFA26350-XX DC~26.5 0.8 1.0 1.0 1.0 1.0 1.0 1.3 3.5mm
    Model Number
    Freq. Range
    (GHz)
    		Attenuation Value(dB)/Tolerance(±dB) VSWR Max Connector
    10 20 30 40 50 60
    PFA12S50-XX DC~12.4 0.5 0.5 0.8 0.8 -1.0/+0.7 -1.0/+0.5 1.2 SMA
    PFA123XX-50 3.5mm
    PFA12K50-XX 2.92mm
    PFA18S50-XX DC~18 1.0 1.0 1.0 1.0 1.0 -1.0/+0.75 1.25 SMA
    PFA183XX-50 3.5mm
    PFA18K50-XX 2.92mm
    PFA26S50-XX DC~26.5 -1.0/+2.5 -1.0/+1.5 -1.0/+1.5 -1.0/+1.5 1.0 1.0 1.3 SMA
    PFA263XX-50 3.5mm
    PFA26K50-XX 2.92mm