Founded in 1989, TopLine is the original "one-stop-shop" for dummy components. TopLine has helped thousands of customers to define and refine their SMD assembly processes in 45 countries
TopLine is the world's largest provider of dummy components and practice PC boards. The product range includes over 1000 different dummy components and 75 types of practice kits. Expert application engineers are ready to assist you with complex requirements.
TYPICAL APPLICATIONS
Our customers are constantly discovering new ways to use dummy components. Typical applications include machine evaluation, acceptance testing, solder training, temperature profiling, re-certification, prototype design and demonstrations.
PRACTICE KITS
Whether you require special packaging or a custom PC Board designed, TopLine does all these efficiently and routinely. Gerber files to make solder-paste stencil are free.
Chips | 
Discretes | 
QFN DFN | 
SOJ |
SOIC,SSOP,QSOP,
QVSOP,TSSOP,MSOP,
HSOP | 
TSP | 
QFP, TQFP, LQFP | 
BGA Flip Chip |
PLCC | 
CERQUAD | 
CLCC | 
CPGA and CCGA |
LCC | 
Flat Pack | 
DIP | 
Transistor |
Axial Radial Throughhole | 
Lead Free Components | | |