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380-2500 MHz DC Block 7/16 Din Conn
Item #MLBHR-22D
Suggested Retail: $373.33
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  • Multi-band Frequency Range
  • 250 Watt Average Power Rating
  • 3 kV DC High Voltage Rating
  • Minimal RF Insertion Loss
  • Very Low Passive IM
  • RoHS Compliant
  • High Reliability

  • These DC Blocks are used to prevent the flow of direct current and low frequency current surges along the inner and outer conductors of a transmission line, while permitting the unimpeded flow of RF signals. Applications include the blocking of current surges in subway tunnels and at antenna sites during lightening storms. HR-21 series is similar except only the outer conductor is blocked.

    The unit consists of a length of coaxial line with a series capacitor in both the center conductor and outer conductor to block the flow of low frequencies, while passing RF with negligible loss or reflections. Options for different polarity or alternate connectors are available on request.

    Impedance50Ω Nominal
    Environment-35°C to +7°C
    Power Rating, Average250 W
    Connector FinishSilver | Triplate
    Power Rating, Peak10 kW
    FinishDelrin Plastic
    General Specifications
    BlockInner and Outer
    Intermod Distortion<-150 dBc
    Breakdown Voltage3 kV DC Max