| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                STMicroelectronics | 
                                            
                                                                                    
                                                | Series | 
                                                - | 
                                            
                                                                                    
                                                | Package | 
                                                Tape & Reel (TR) | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Type | 
                                                Controller (PD) | 
                                            
                                                                                    
                                                | Number of Channels | 
                                                1 | 
                                            
                                                                                    
                                                | Power - Max | 
                                                12.95 W | 
                                            
                                                                                    
                                                | Internal Switch(s) | 
                                                Yes | 
                                            
                                                                                    
                                                | Auxiliary Sense | 
                                                No | 
                                            
                                                                                    
                                                | Standards | 
                                                802.3af (PoE) | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                57V (Max) | 
                                            
                                                                                    
                                                | Current - Supply | 
                                                330µA | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                -40°C ~ 85°C | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Surface Mount | 
                                            
                                                                                    
                                                | Package / Case | 
                                                8-SOIC (0.154", 3.90mm Width) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                8-SOIC | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                STHS4257 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                ROHS3 Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                1  (Unlimited) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.31.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                2,500 | 
                                            
                                                                                                                
                                
                             
                                                Power Over Ethernet Controller 1 Channel 802.3af (PoE) 8-SOIC