Printed in black on beige plastic extraction handle
Printed on solder side
overall: 1/2 in x 2 1/2 in x 5 1/2 in
This W501 module has a green board and a beige plastic extraction handle, which is held in place by two metal rivets. Between the rivets there are four round plastic inspection stamps. The words "FLIP CHIP" can also be read. On the solder side "SCHMITT TRIGGER W 501 F" is printed parallel to the left edge.