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85138A Coaxial Termination, DC to 50 GHz

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Typical Configuration  

Typical Configuration

85138A 2.4mm 50 ohm termination. Male connector

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


Prices for: United Kingdom

* Prices are subject to change without notice. For pricing or a quote, you can also call 0800 0260637.

Key Features & Specifications

Superior RF Performance

  • Maximum SWR at 26.5 GHz: 1.07
  • Maximum SWR at 40 GHz: 1.12
  • Maximum SWR at 50 GHz: 1.22
  • Maximum Power: 0.5 W avg/ 100 W peak


The Keysight 85138A is a precision, low-reflection dc to 50 GHz load for terminating a 50-ohm coaxial system in its characteristic impedance. It is intended for use as a calibration standard. The Keysight 85138A has a 2.4 mm male connector.

For more information about coax termination, please visit Terminations (Loads).