| Parameters | 
                                                                                                            
                                        | Mfr | ECS Inc. | 
                                                                        
                                        | Series | HC-49U | 
                                                                        
                                        | Package | Bulk | 
                                                                        
                                        | Product Status | Not For New Designs | 
                                                                        
                                        | Type | MHz Crystal | 
                                                                        
                                        | Frequency | 5 MHz | 
                                                                        
                                        | Frequency Stability | ±50ppm | 
                                                                        
                                        | Frequency Tolerance | ±30ppm | 
                                                                        
                                        | Load Capacitance | 20pF | 
                                                                        
                                        | 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 | 8541.60.0030 | 
                                                                        
                                        | Standard Package | 1,000 | 
                                                                                                        
                            
                         
                                                5 MHz ±30ppm Crystal 20pF 50 Ohms HC-49/U