- 
        
          6701 Schottky diode  - 
        
          6702 Zener diode  - 
        
          6703 Tvs  
- 
        
          6704 Laser diode  - 
        
          6705 Light-emitting diode  - 
        
          6706 Photodiode  
- 
        
          6707 Constant-current Didodes  - 
        
          6708 Step recovery diode  - 
        
          6709 Tunnel diode