| PartNumber | ECS-200-20-4VX | ECS-200-20-4X | ECS-200-20-4 |
| Description | Crystals 20.000Mhz 30ppm 20pF | Crystals 20MHz 20pF | Crystals 20MHz 20pF |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | Y | N |
| Termination Style | Radial | Radial | Radial |
| Package / Case | HC-49/USSX | HC-49/US | - |
| Load Capacitance | 20 pF | 20 pF | 20 pF |
| Frequency | 20 MHz | 20 MHz | 20 MHz |
| Tolerance | 30 PPM | 30 PPM | 30 PPM |
| Length | 10.5 mm | 11.35 mm | 11.35 mm |
| Width | 3.8 mm | 4.65 mm | 4.65 mm |
| Series | HC-49USSX | HCS-49USX | HC-49US |
| Packaging | Bulk | Bulk | - |
| Brand | ECS | ECS | ECS |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 200 | 200 | 100 |
| Subcategory | Crystals | Crystals | Crystals |
| Frequency Stability | - | 50 PPM | 50 PPM |
| Minimum Operating Temperature | - | - 10 C | - 10 C |
| Maximum Operating Temperature | - | + 70 C | + 70 C |
| Height | - | 3.5 mm | 3.5 mm |
| Type | - | Quartz Crystal | Quartz Crystal |
| Unit Weight | - | 0.019667 oz | - |
| ESR | - | - | 30 Ohms |
| Drive Level | - | - | 500 uW |
| Product | - | - | Crystals |
| Lead Spacing | - | - | 4.88 mm |