This part is a kind of semiconductor called 1N4007GP.

Function of this product has General Purpose Rectifiers.

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

1N4001GP-1N4007GP 1N4001GP - 1N4007GP Features • Low forward voltage drop. • High surge current capability. • High reliability. • High current capability. DO-41 COLOR BAND DENOTES CATHODE General Purpose Rectifiers (Glass Passivated) Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter VRRM IF(AV) IFSM Tstg TJ Maximum Repetitive Reverse Voltage Average Rectified Forward Current, .375 " lead length @ TA = 75°C Non-repetitive Peak Forward Surge Current 8.3 ms Single Half-Sine-Wave Storage Temperature Range Operating Junction Temperature 4001GP 4002GP 50 100 4003G 200 Value 4004GP 4005GP 400 600 1.0 Units 4006GP 4007GP 800 1000 V A 30 -65 to +175 -65 to +175 A °C °C *These ratings are limiting values above which the serviceability of any semi [ ... ]

1N4007GP PDF Datasheet Download