| Parameters | 
                                    
                                                                                                            
                                        | Mfr | 
                                        ECS Inc. | 
                                    
                                                                        
                                        | Series | 
                                        HC-49U | 
                                    
                                                                        
                                        | Package | 
                                        Bulk | 
                                    
                                                                        
                                        | Product Status | 
                                        Not For New Designs | 
                                    
                                                                        
                                        | Type | 
                                        MHz Crystal | 
                                    
                                                                        
                                        | Frequency | 
                                        5.185 MHz | 
                                    
                                                                        
                                        | Frequency Stability | 
                                        ±50ppm | 
                                    
                                                                        
                                        | Frequency Tolerance | 
                                        ±30ppm | 
                                    
                                                                        
                                        | Load Capacitance | 
                                        Series | 
                                    
                                                                        
                                        | ESR (Equivalent Series Resistance) | 
                                        50 Ohms | 
                                    
                                                                        
                                        | Operating Mode | 
                                        Fundamental | 
                                    
                                                                        
                                        | Operating Temperature | 
                                        -10°C ~ 70°C | 
                                    
                                                                        
                                        | Ratings | 
                                        - | 
                                    
                                                                        
                                        | Mounting Type | 
                                        Through Hole | 
                                    
                                                                        
                                        | Package / Case | 
                                        HC-49/U | 
                                    
                                                                        
                                        | Size / Dimension | 
                                        0.447" L x 0.183" W (11.35mm x 4.65mm) | 
                                    
                                                                        
                                        | Height - Seated (Max) | 
                                        0.530" (13.46mm) | 
                                    
                                                                        
                                        | RoHS Status | 
                                        RoHS non-compliant | 
                                    
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 
                                        1  (Unlimited) | 
                                    
                                                                        
                                        | REACH Status | 
                                        REACH Unaffected | 
                                    
                                                                        
                                        | ECCN | 
                                        EAR99 | 
                                    
                                                                        
                                        | HTSUS | 
                                        8541.60.0050 | 
                                    
                                                                        
                                        | Standard Package | 
                                        1,000 | 
                                    
                                                                                                        
                            
                         
                                                5.185 MHz ±30ppm Crystal Series 50 Ohms HC-49/U