| PartNumber | ECS-200-S-20A-TR | ECS-200-S-23A-EN-TR | ECS-200-S-4 |
| Description | Crystals CRYSTAL 20MHz | Crystals 20MHz SERIES ECX-64A | Crystals 20MHz SERIES |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | E | Y | N |
| Termination Style | SMD/SMT | SMD/SMT | Radial |
| Package / Case | 7 mm x 5 mm | 6 mm x 3.5 mm | - |
| Frequency | 20 MHz | 20 MHz | 20 MHz |
| Tolerance | 30 PPM | - | 30 PPM |
| Frequency Stability | 50 PPM | 50 PPM | 50 PPM |
| Minimum Operating Temperature | - 10 C | - 10 C | - 10 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Length | 7 mm | 6 mm | 11.35 mm |
| Width | 5 mm | 3.5 mm | 4.65 mm |
| Height | 1.7 mm | 1.1 mm | 3.5 mm |
| Series | CSM-8A | ECX-64A | HC-49US |
| Packaging | Reel | Reel | - |
| Type | SMD Quartz | SMD Quartz | Quartz Crystal |
| Brand | ECS | ECS | ECS |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 1000 | 1000 | 100 |
| Subcategory | Crystals | Crystals | Crystals |
| Unit Weight | 0.006562 oz | 0.002116 oz | - |
| Load Capacitance | - | - | Series |
| ESR | - | - | 30 Ohms |
| Drive Level | - | - | 500 uW |
| Product | - | - | Crystals |
| Lead Spacing | - | - | 4.88 mm |