SMT dictionary

& SMT abbreviations

In the Surface Mount Technology business there is alot of abbreviations. Some everyone know - others you need to look up.

SMT dictionary for electronics factories, OEM and EMS

What does SMT mean? and have you heard about SMA, SMC or SMP?

SMA                 Surface-mount assembly (module assembled with SMT)

SMC                 Surface-mount components (components for SMT)

SMD                 Surface Mount Devices

SME                  Surface-mount equipment (SMT assembling machines)

SMEMA          Surface Mount Equipment Manufacturers Association

SMT                  Surface Mount Technology

SMP                  Surface-mount packages (SMD case forms)

SMC is a surface mount component for SMT production
SMT abbreviations - what do they all mean?

What does EMS mean? & what is SPI? 

EMS        Electronic Manufacturing Service

OEM      Original Equipment Manufacturer


AMF      Auto Mount Feedback 

AOI        Automated Optical Inspection 

AXI        Automatic X-ray inspection 

SPI         Solder Paste Inspection

What does CPH stand for?

CPH                  Components Per Hour

EMC                 Electromagnetic Compatibility

EMI                   Electromagnetic interference 

EMT                  Electronic Manufacturing Technology 

ESD                   Electrostatic Discharge 

FOV                 Field of view


PCB                 Printed Circuit Board

THT                 Through Hole Technology

SMD is Surface Mount Devices that often is on reels