This part is a kind of semiconductor called 1N3038B-1.

Function of this product has (1N3016B-1 - 1N3045B-1) 1 Watt Glass Case Zener Diodes.

Manufacturers : Microsemi

Image and pinout :

Some of the text within the PDF file :

1N3016B-1 – 1N3045B-1 Qualified Levels: JAN, JANTX, and JANTXV Available on commercial versions 1 Watt Glass Case Zener Diodes Qualified per MIL-PRF-19500/115 DESCRIPTION This well established Zener diode series for the 1N3016B-1 through 1N3045B-1 JEDEC registration in the glass DO-41 package provides a glass hermetic seal for 6.8 to 110 volts. It is also well suited for high-reliability applications where it is available in JAN, JANTX, and JANTXV military qualifications. Lower voltages are also available in the 1N3821 through 1N3828 series (3.3 V to 7.5 V) in the same package (see separate data sheet). Important: For the latest information, visit our website http://www.microsemi.com. FEATURES • • • • • • • • JEDEC registered 1N3016 through 1N3045 numbers. Zener volt [ ... ]

1N3038B-1 PDF Datasheet Download