Feature:1. 4-Digit Decade: This polypropylene film capacitor board features a 4-digit decade programmable design, offering high accuracy and excellent stability. 2. Adjustable Range: The capacitor board's adjustable range is 1nF-999nF, with 1nF steps, allowing you to flexibly set the capacitance range you need. 3. Easy Installation: The polypropylene film capacitor boasts a compact size with standard C35 DIN rail mounting to ensure a stable structure. 4. Replacement Part: The programmable capacitor board can effectively replace a capacitor substitution box, offering low cost and high efficiency. 5. Wide Application: The capacitor board can be widely used in education, experiments, testing, electronic engineering design, and other fields. Specification:Item Type: Programmable Capacitor Board Accuracy: 5% Step: 1nF Capacitance Difference: 5% Adjustable Range: 1nF-9999F Working Voltage: DC100V AC70V Mounting Rail Type: C35 DIN rail. Package List:1 x Programmable Capacitor Board