| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        Wakefield-Vette | 
                                    
                                                                        
                                        | Series | 
                                        634 | 
                                    
                                                                        
                                        | Package | 
                                        Box | 
                                    
                                                                        
                                        | Product Status | 
                                        Active | 
                                    
                                                                        
                                        | Type | 
                                        Board Level, Vertical | 
                                    
                                                                        
                                        | Package Cooled | 
                                        TO-220 | 
                                    
                                                                        
                                        | Attachment Method | 
                                        Bolt On and PC Pin | 
                                    
                                                                        
                                        | Shape | 
                                        Rectangular, Fins | 
                                    
                                                                        
                                        | Length | 
                                        2.000" (50.80mm) | 
                                    
                                                                        
                                        | Width | 
                                        0.640" (16.26mm) | 
                                    
                                                                        
                                        | Diameter | 
                                        - | 
                                    
                                                                        
                                        | Fin Height | 
                                        0.640" (16.26mm) | 
                                    
                                                                        
                                        | Power Dissipation @ Temperature Rise | 
                                        - | 
                                    
                                                                        
                                        | Thermal Resistance @ Forced Air Flow | 
                                        - | 
                                    
                                                                        
                                        | Thermal Resistance @ Natural | 
                                        - | 
                                    
                                                                        
                                        | Material | 
                                        Aluminum | 
                                    
                                                                        
                                        | Material Finish | 
                                        Black Anodized | 
                                    
                                                                        
                                        | Base Product Number | 
                                        634-20 | 
                                    
                                                                        
                                        | RoHS Status | 
                                        ROHS3 Compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        1  (Unlimited) | 
                                    
                                                                        
                                        | REACH Status | 
                                        REACH Unaffected | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8473.30.5100 | 
                                    
                                                                        
                                        | Standard Package | 
                                        600 | 
                                    
                                                                                                        
                            
                         
                                                Heat Sink TO-220 Aluminum Board Level, Vertical