| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                STMicroelectronics | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tube | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Mode | 
                                                Discontinuous (Transition) | 
                                            
                                                                                    
                                                | Frequency - Switching | 
                                                - | 
                                            
                                                                                    
                                                | Current - Startup | 
                                                50 µA | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                11V ~ 18V | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -25°C ~ 125°C | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Through Hole | 
                                            
                                                                                    
                                                | Package / Case | 
                                                8-DIP (0.300", 7.62mm) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                8-DIP | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                E-L6561 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                ROHS3 Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                1  (Unlimited) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                2,000 | 
                                            
                                                                                                                
                                
                             
                                                PFC IC Discontinuous (Transition) 8-DIP