This mini tube has 7 connector pins. The Sylvania logo, "SYLVANIA", "YAB", and "MADE IN U.S.A." are printed in yellow on the side of the tube, "12R5" is printed in grey near the top. The box is yellow and black with a graphic of the Sylvania logo. The text on the box reads: "SYLVANIA ELECTRIC TUBE MADE IN U.S.A" and "THE MARK OF QUALITY". "12R5" is stamped in black on one end.
Sylvania Electric Products, Inc.
Printed in grey near top of tube
box: 3 in x 1 in x 1 in; tube: 2 5/8 in x 3/4 in x 3/4 in