Marklin HO 60974 Buffer Capacitor with Built-In Load Circuit -- Fits mLD3 and mSD3 Digital Decoders

Product

This is a circuit board with 2 buffer capacitors with each 1 Farad for connection to the mLD3 und mSD3, item numbers 60972, 60975, 60976, and 60977. The buffer capacitor prevents light flickering and sound dropout from dirty track sections.