Other semiconductor components include: 1. Amplifiers and comparators 2. Capacitive sensors (keyboards) 3. Analog and analogue digital systems 4. Clock generation and distribution systems 5. EMI filtering systems 6. Switching systems 7. Memory systems 8. Supply systems 9. Power modules 10. Safety systems 11. MEMS sensors and systems 12. Smartcard systems 13. Thyristors and AC-Switch systems 14. Transistors The remaining semiconductor elements are an important part of electrical devices used in modern industrial automation. In this category we can distinguish: transistors, thyristors, triacs, diacs and diodes. Semiconductor elements are made of P-N layers that conduct current in one direction. Their structure enables the implementation of logic systems, which are the basis for the operation of all automation devices.