| Parameters | 
                                
                                                                                                            
                                            | Factory Lead Time | 
                                            3 Weeks | 
                                        
                                                                            
                                            | Mounting Type | 
                                            Surface Mount, Through Hole | 
                                        
                                                                            
                                            | Series | 
                                            20-CBS | 
                                        
                                                                            
                                            | Part Status | 
                                            Active | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            1  (Unlimited) | 
                                        
                                                                            
                                            | Type | 
                                            Shield, 2-Piece | 
                                        
                                                                            
                                            | Ventilation | 
                                            Non-Vented | 
                                        
                                                                            
                                            | Length - Overall | 
                                            4.250 107.95mm | 
                                        
                                                                            
                                            | Width - Overall | 
                                            4.000 101.60mm | 
                                        
                                                                            
                                            | Height - Overall | 
                                            0.225 5.72mm | 
                                        
                                                                            
                                            | RoHS Status | 
                                            ROHS3 Compliant | 
                                        
                                                                                                    
                            
                         
                                                21L-CBSA-4.0X4.25X0.225 Overview
Having a type of Shield, 2-Piece, it can be used for a wide variety of applications.A generalization of RF Shield can be made using Surface Mount, Through Hole.From the 20-CBS series, it's a RF Shield.
21L-CBSA-4.0X4.25X0.225 Features
As a type of Shield, 2-Piece
Surface Mount, Through Hole value
20-CBS 
21L-CBSA-4.0X4.25X0.225 Applications
There are a lot of Leader Tech Inc. 21L-CBSA-4.0X4.25X0.225 RF Shields applications. 
- Rectifiers
 - Wireless routers
 - Cable lines
 - Laptops
 - Satellites
 - Bluetooth mice
 - Cellphones
 - Lightings
 - Cosmic noise
 - Solar flares