| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        IQD Frequency Products | 
                                    
                                                                        
                                        | Series | 
                                        HC49/3.5H | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Active | 
                                    
                                                                        
                                        | Type | 
                                        MHz Crystal | 
                                    
                                                                        
                                        | Frequency | 
                                        4 MHz | 
                                    
                                                                        
                                        | Frequency Stability | 
                                        ±50ppm | 
                                    
                                                                        
                                        | Frequency Tolerance | 
                                        ±30ppm | 
                                    
                                                                        
                                        | Load Capacitance | 
                                        20pF | 
                                    
                                                                        
                                        | ESR (Equivalent Series Resistance) | 
                                        130 Ohms | 
                                    
                                                                        
                                        | Operating Mode | 
                                        Fundamental | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -10°C ~ 70°C | 
                                    
                                                                        
                                        | Ratings | 
                                        - | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Through Hole | 
                                    
                                                                        
                                        | Package / Case | 
                                        HC-49/US | 
                                    
                                                                        
                                        | Size / Dimension | 
                                        0.449" L x 0.193" W (11.40mm x 4.90mm) | 
                                    
                                                                        
                                        | Height - Seated (Max) | 
                                        0.146" (3.70mm) | 
                                    
                                                                        
                                        | RoHS Status | 
                                        ROHS3 Compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        Not Applicable | 
                                    
                                                                        
                                        | REACH Status | 
                                        REACH Affected | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8541.60.0030 | 
                                    
                                                                        
                                        | Standard Package | 
                                        100 | 
                                    
                                                                                                        
                            
                         
                                                4 MHz ±30ppm Crystal 20pF 130 Ohms HC-49/US