| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                Skyworks Solutions Inc. | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tube | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Type | 
                                                Controller (PSE) | 
                                            
                                                                                    
                                                | Number of Channels | 
                                                4 | 
                                            
                                                                                    
                                                | Power - Max | 
                                                40 W | 
                                            
                                                                                    
                                                | Internal Switch(s) | 
                                                Yes | 
                                            
                                                                                    
                                                | Auxiliary Sense | 
                                                No | 
                                            
                                                                                    
                                                | Standards | 
                                                802.3at (PoE+), 802.3af (PoE) | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                45V ~ 57V | 
                                            
                                                                                    
                                                | Current - Supply | 
                                                3.7mA | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -40°C ~ 85°C | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                40-VFQFN Exposed Pad | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                40-QFN (6x6) | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                SI3452 | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                3  (168 Hours) | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.39.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                50 | 
                                            
                                                                                                                
                                
                             
                                                Power Over Ethernet Controller 4 Channel 802.3at (PoE+), 802.3af (PoE) 40-QFN (6x6)