This part is a kind of semiconductor called 1N4700.

Function of this product has ZENER DIODES.

Manufacturers : General Semiconductor

Image and pinout :

Some of the text within the PDF file :

ADVANCED INFORMATION 1N4681 THRU 1N4717 ZENER DIODES FEATURES DO-35 min. 1.083 (27.5) ♦ Silicon Planar Zener Diodes ♦ Standard Zener voltage tolerance is ± 5%. Other tolerances are available upon request. ♦ High temperature soldering guaranteed: 250°C/10 seconds, 0.375” (9.5mm) lead length. ♦ These diodes are also available in SOD-123 case with the type designation MMSZ4681...MMSZ4717 and SOT-23 case with the type designation MMBZ4681...MMBZ4717. max. .150 (3.8) max. ∅.079 (2.0) Cathode Mark min. 1.083 (27.5) max. ∅.020 (0.52) MECHANICAL DATA Dimensions are in inches and (millimeters) Case: DO-35 Glass Case Weight: approx. 0.13 g Terminals: Solderable, per MIL-STD-750, method 2026. MAXIMUM RATINGS Ratings at 25°C ambient temperature unless otherwise specified. SY [ ... ]

1N4700 PDF Datasheet Download