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| Part Number | ECS-73-20-4 | 
| Datasheet | ECS-73-20-4 datasheet | 
| Description | CRYSTAL 7.3728MHZ 20PF T/H | 
| Manufacturer | ECS Inc. | 
| Series | HC-49US | 
| Part Status | Active | 
| Type | MHz Crystal | 
| Frequency | 7.3728MHz | 
| Frequency Stability | ±50ppm | 
| Frequency Tolerance | ±30ppm | 
| Load Capacitance | 20pF | 
| ESR (Equivalent Series Resistance) | 80 Ohms | 
| Operating Mode | Fundamental | 
| Operating Temperature | -10°C ~ 70°C | 
| Ratings | - | 
| Mounting Type | Through Hole | 
| Package / Case | HC-49/US | 
| Size / Dimension | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 
| Height - Seated (Max) | 0.138" (3.50mm) |