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11742A Blocking Capacitor, 0.045 to 26.5 GHz

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Starting From US$ 336

Typical Configuration  

Typical Configuration

11742A Blocking Capacitor, 45MHz - 26.5GHz

  • R-51B-001-C Return to Keysight Warranty - 1 year


Prices for: United States

* Prices are subject to change without notice. Prices shown are Manufacturer's Suggested Retail Prices (MSRP). Prices shown are exclusive of taxes.

Key Features & Specifications

Superior RF performance

  • Low SWR (1.11 @ 12.4GHz)
  • Low insertion loss (0.35 dB @ 12.4 GHz)
  • High DC blocking voltage

Connectors type

  • 3.5 mm(m-f)

Superior RF Performance

  • Low insertion loss < 1.2 dB
  • 50 V maximum DC working voltage
  • 3.5 mm precision coaxial connectors


The Keysight 11742A blocking capacitor blocks dc signals below 45 MHz and passes signals up to 26.5 GHz. Ideal for use with high-frequency oscilloscopes or in biased microwave circuits, the Keysight 11742A will suppress low frequency signals that can damage expensive measuring equipment or affect the accuracy of your RF and microwave measurements.

Learn more about Keysight DC Blocks