The Agilent/Keysight 10439A is a miniature passive probe engineered for precision electronic measurements on surface mount and IC-level circuitry. Part of the 10400 probe family, this 1:1 division ratio probe delivers low circuit loading and modular construction that permits field replacement of probe tips, cables, and chassis assemblies—reducing downtime and repair costs.
Technical Specifications
• Probe Type: Miniature Passive, 1:1 division ratio
• Cable Length: 2 meters
• Input Impedance: 50 Ω (with 50 Ω termination); high impedance mode available without termination
• Circuit Loading: 64 pF (1 MΩ scope input)
• Input Capacitance: Low stray capacitance at probe tip
• Oscilloscope Compatibility: High impedance inputs
– Key Features
• Narrow, sharp probe tip optimized for surface mount device access
• Modular design allows independent replacement of tips, cables, and chassis
• General-purpose grabber attachment for IC pins and standard circuit measurements
• Integrated circuit grabber with firm grip designed for 0.1-inch pitch ICs; minimizes adjacent pin shorting risk
• Ground lead with alligator clip and integrated ferrite bead for noise reduction
• Barrel insulator prevents shorting and ensures correct grabber fit
• Comprehensive accessory kit: four grounding spanners, barrel insulator, eight colored cable markers, and adjustment screwdriver
– Typical Applications
• Surface mount technology probing
• High-frequency measurements requiring low-noise signal acquisition
• IC pin-level diagnostics
• General-purpose analog circuit measurements
– Compatibility & Integration
The 10439A integrates with high-impedance oscilloscope inputs and 50 Ω terminated measurement systems. Interchangeable attachments and modular construction support diverse probing scenarios across development, validation, and field service environments.
Product Status: Obsolete
