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Tektronix P6139B 500MHz Oscilloscope Probe

Price: Call 800-444-6106 for best price
Item Number: P6139B
Manufacturer: Tektronix
Manufacturer Part No: P6139B

500 MHz Passive Probes

P6139B • P5050B

Features & Benefits

Key Performance Specifications
  • 500 MHz Probe Bandwidth
  • Large Input Impedance at the Probe Tip (10 MΩ, 8pF)
  • 10X Attenuation Factor
  • 300 V CAT II Input Voltage
Ease-of-Use Features
  • Compact Probe Head for Probing Small Geometry Circuit Elements
  • Small Probe Body for Enhanced Visibility to the Device-Under-Test
  • Replaceable Probe Tip Cartridges
  • Large Accessory Set for Versatile Connectivity
  • P6139B and P5050B feature the TekProbe Interface for Direct BNC Connection for Oscilloscopes with 1 MΩ Inputs
  • Integrated Oscilloscope and Probe Measurement Systems Feature Intelligent Communication that Automatically Scales and Adjusts Units on the Oscilloscope Display


  • Low Power Devices
  • Service
  • Manufacturing Engineering
  • Test Research and Development


The P6139B and P5050B probes are high bandwidth, high impedance 10X passive voltage probes with 10 MΩ input resistance. These probes feature a small probe head and sharp tip that makes it easier to probe dense circuitry. The P6139B and P5050B share similar electrical specifications but support Tektronix oscilloscopes with different compensation ranges. Reference the Oscilloscope Probe & Accessory Selector Tool located at to ensure the correct probe is selected for your oscilloscope.

The P6139B and P5050B provide:

  • Outstanding Electrical Performance
  • Ruggedness
  • Ease of Use

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