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85138B Coaxial Termination, DC to 50 GHz

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Starting From US$ 1,038

Typical Configuration  

Typical Configuration

85138B 2.4 mm 50 ohm termination. Female conn.

  • 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

  • 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 85138B 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 85138B has a 2.4 mm female connector.