Part Number : SMAJ5939
Function : Zener Voltage Regulator Diode - Silicon 3.0Watt Zener diodes
Package : DO-214AC Type
Maker : Microsemi Corporation
Pinouts : 
Description :
• For Surface Mount Applications (flat handling surface for accurate placement)
• Zener Voltage 3.3V to 200V
• Withstands Large Surge Stresses
• Electrically Equivalent to JEDEC Registered Series IN5913 through IN5956
• High Surge Current Rating
Mechanical Data
• Package similar to JEDEC DO-214AC (see dimension ‘A’ note)
• Terminals solderable per MIL-STD-750, Method 2026
• Polarity is indicated by cathode band
• Maximum temperature for soldering: 260°C for 10 seconds
• Plastic surface mount body meets UL94V-0 flame retardent epoxy
Datasheet PDF Download : 
Others datasheet of same file :
SMAJ5913, SMAJ5914, SMAJ5915, SMAJ5916, SMAJ5917