CONTENTS

 1     Foreword  
 2     Introduction      
 3     Scope 
 4     Performance parameters  
        4.1     Environment characteristics
        4.2     Electrical characteristics     
        4.3     Selection of PTC thermistors          
 5     Coordination and application of PTC       
Appendix I – Examples of characteristics of PTC thermistors    
Appendix II – Semiconductor self-restoring overcurrent protectors