Handbook for Sound Engineers, 4th Edition

Chapter 13

Heatsinks and Relays

 

Glen Ballou and Henry Villaume

13.1 Heatsinks

13.1.1 Thermal Management of Today's Audio Systems

13.1.1.1 Convection

13.1.1.2 Conduction

13.1.1.3 Radiation

13.1.1.4 Summary

13.1.2 New Technologies to Make Things Fit More Easily

13.1.3 How Heatsinks Work

13.1.3.1 Thermal Resistance

13.1.3.2 Heatsink Materials and Design

13.2 Relays

13.2.1 Glossary of Terms

13.2.2 Contact Characteristics

13.2.3 Relay Loads⁸

13.2.3.1 The Effects of Various Loads

13.2.4 Electromechanical Relays

13.2.4.1 Dc Relays

13.2.4.2 Ac Relays

13.2.5 Reed Relays⁶,⁷,⁸,¹¹

13.2.5.1 Contact Resistance and Dynamics

13.2.5.2 Magnetic Interaction

13.2.5.3 Environmental Temperature Effects

13.2.5.4 Dry Reed Relays

13.2.5.5 Mercury-Wetted Contact Relays ...