These components are diodes with the part number 1N4007W.
A diode typically allows current to flow in only one direction, from the anode to the cathode.
The 1N4007W is a common rectifier diode used for converting alternating current (AC) to direct current (DC), and it's rated for a high reverse voltage capability (up to 1000V).
These components are denoted with the prefix "P", indicating they are probably connectors or terminals with unspecified functions.
Without more context, these are typically used for connecting wires or interfacing with other parts of the circuit, such as power input/output or signal connections.
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