| PartNumber | ECS-36-S-4X | ECS-36-S-4 | ECS-36-S-7SX-TR |
| Description | Crystals 3.6864MHz SERIES | Crystals 3.6864MHz SERIES | Crystals CRYSTAL 3.6864MHz |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | N | E |
| Termination Style | Radial | Radial | SMD/SMT |
| Package / Case | HC-49/US | - | 12.5 mm x 4.6 mm |
| Load Capacitance | Series | Series | - |
| Frequency | 3.6864 MHz | 3.6864 MHz | 3.6864 MHz |
| Tolerance | 30 PPM | 30 PPM | 30 PPM |
| Frequency Stability | 50 PPM | 50 PPM | 50 PPM |
| ESR | 200 Ohms | 200 Ohms | - |
| Drive Level | 500 uW | 500 uW | - |
| Minimum Operating Temperature | - 10 C | - 10 C | - 10 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Length | 11.35 mm | 11.35 mm | 12.5 mm |
| Width | 4.65 mm | 4.65 mm | 4.6 mm |
| Height | 3.5 mm | 3.5 mm | 3.7 mm |
| Series | HCS-49USX | HC-49US | ECX-3SX |
| Packaging | Bulk | - | Reel |
| Type | Quartz Crystal | Quartz Crystal | SMD Quartz |
| Brand | ECS | ECS | ECS |
| Mounting Style | Through Hole | Through Hole | SMD/SMT |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 200 | 100 | 1000 |
| Subcategory | Crystals | Crystals | Crystals |
| Unit Weight | 0.019667 oz | - | 0.011372 oz |
| Product | - | Crystals | - |
| Lead Spacing | - | 4.88 mm | - |