The refers to a transformer model commonly found in DeWALT battery chargers, specifically within the DCB107 and DCB115 units. Diagrams for these boards are often sought for "re-winding" or modifying chargers (such as converting 110V units to 220V). PBM27A-210-MV--R Context & Diagrams
When looking at a DeWALT pinout diagram , the PBM27A board interacts with eight specific terminals on the battery: Description Battery Positive/Negative Main power path for charging and discharging. TH Thermistor pbm27a-210-mv--r diagram
Discussions on enthusiast forums like 78294.ru provide detailed circuit board images and partial schematics identifying the PBM27A-210. The refers to a transformer model commonly found