SMA (DO-214AC) Component Package
SMA is a 2-lead SMD component package commonly used for diodes. The other common name for the SMA package is DO-214AC. SMA is the smallest package in the family containing SMA, SMB and SMC.
Make sure not to confused this package with SMD (surface-mount device, the common name for any surface-mount component), or the RF connector type that shares the same name.
Dimensions
Below are the dimensions for the SMA (DO-214AC) component package.
Pitch is 6.8mm from pad center to pad center.