This part is a kind of semiconductor called 1N749A.

Function of this product has DOUBLE PLUG CONSTRUCTION.

Manufacturers : Compensated Deuices Incorporated

Image and pinout :

Some of the text within the PDF file :

• 1N746A-1 THRU 1N759-1 AVAILABLE IN JAN, JANTX AND JANTXV PER MIL-PRF-19500/127 • 1N4370A-1 THRU 1N4372A-1 AVAILABLE IN JAN, JANTX AND JANTXV PER MIL-PRF-19500/127 • DOUBLE PLUG CONSTRUCTION • METALLURGICALLY BONDED 1N746 thru 1N759A and 1N746A-1 thru 1N759A-1 and 1N4370 thru 1N4372A and 1N4370A-1 thru 1N4372A-1 MAXIMUM RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500 mW @ +50°C Power Derating: 4 mW / °C above +50°C Forward Voltage @ 200mA: 1.1 volts maximum ELECTRICAL CHARACTERISTICS @ 25°C JEDEC TYPE NUMBER (NOTE 1) NOMINAL ZENER VOLTAGE VZ @ 1ZT (NOTE 2) VOLTS 1N4370A 1N4371A 1N4372A 1N746A 1N747A 1N748A 1N749A 1N750A 1N751A 1N752A 1N753A 1N754A 1N755A 1N756A 1N757A 1N758A 1N759A 2.4 2.7 3.0 3.3 3.6 3.9 [ ... ]

1N749A PDF Datasheet Download