IET Labs 1419A Decade Capacitor

Overview

The IET Labs 1419A is a polystyrene decade capacitor from the General Radio 1419 series, developed through decades of research and refinement. It provides precise, stable capacitance values from 100 pF to 1.1 µF, making it ideal for measurement circuits, filters, and calibration applications where accuracy and stability are paramount.

Key Features

• Polystyrene dielectric with very low dielectric absorption
• Capacitance range: 100 pF to 1.1 µF (three-decade, 1000 pF/step)
• Accuracy: 0.5% or better
• Low frequency dependence from DC through 1 MHz
• Heat-stabilized construction for long-term stability
• Completely shielded and hermetically sealed
• Non-inductive spool construction
• High insulation resistance and low dissipation factor

Applications

• Impedance bridges and measurement circuits
• Computer and integrator circuits
• Low-level amplifier applications
• Filter and tuned circuit design
• Audio frequency testing and LCR meter calibration
• DC circuits requiring minimal absorption