| Parameters | 
                                    
                                                                                                                        
                                                | Mfr | 
                                                STMicroelectronics | 
                                            
                                                                                    
                                                | Series | 
                                                Bash® | 
                                            
                                                                                    
                                                | Package | 
                                                Tube | 
                                            
                                                                                    
                                                | Product Status | 
                                                Obsolete | 
                                            
                                                                                    
                                                | Type | 
                                                Class AB | 
                                            
                                                                                    
                                                | Output Type | 
                                                2-Channel (Stereo) | 
                                            
                                                                                    
                                                | Max Output Power x Channels @ Load | 
                                                70W x 2 @ 4Ohm | 
                                            
                                                                                    
                                                | Voltage - Supply | 
                                                20V ~ 30V | 
                                            
                                                                                    
                                                | Features | 
                                                Mute, Standby, Thermal Protection | 
                                            
                                                                                    
                                                | Mounting Type | 
                                                Through Hole | 
                                            
                                                                                    
                                                | Operating Temperature | 
                                                0°C ~ 70°C (TA) | 
                                            
                                                                                    
                                                | Supplier Device Package | 
                                                27-Flexiwatt (Vertical) | 
                                            
                                                                                    
                                                | Package / Case | 
                                                27-Flexiwatt (Formed Leads) | 
                                            
                                                                                    
                                                | Base Product Number | 
                                                STA550 | 
                                            
                                                                                    
                                                | RoHS Status | 
                                                ROHS3 Compliant | 
                                            
                                                                                    
                                                | Moisture Sensitivity Level (MSL) | 
                                                3  (168 Hours) | 
                                            
                                                                                    
                                                | REACH Status | 
                                                REACH Unaffected | 
                                            
                                                                                    
                                                | ECCN | 
                                                EAR99 | 
                                            
                                                                                    
                                                | HTSUS | 
                                                8542.33.0001 | 
                                            
                                                                                    
                                                | Standard Package | 
                                                17 | 
                                            
                                                                                                                
                                
                             
                                                Amplifier IC 2-Channel (Stereo) Class AB 27-Flexiwatt (Vertical)