This listing is for a ON Semiconductor Rectifier Diode
Model: MBRA340T3G 

Specifications:
Brand: ON Semiconductor
Type: Rectifier Diode
Condition: New Open Box
Polarity: Single
Voltage Rating: 40V
Current Rating: 3A
Forward Voltage Drop: 450 mV
Package: SMA (DO-214AC)
Mounting: Surface Mount (SMD)
Quantity: Reel of 5000
Weight: 1.41 lb

This item is exactly as pictured.