| PartNumber | ECS-61-18-5PXEN-TR | ECS-61-32-1 | ECS-61-18-18-TR |
| Description | Crystals 6.144MHz 18pF 50ppm -40C +85C | Crystals 6.144MHz 32pF | Crystals 6.144MHz 18pF 100ppm -40C +85C |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | N | E |
| Termination Style | SMD/SMT | Radial | SMD/SMT |
| Package / Case | HC-49/USX | - | 11.8 mm x 5.5 mm |
| Load Capacitance | 18 pF | 32 pF | 18 pF |
| Frequency | 6.1 MHz | 6.144 MHz | 6.144 MHz |
| Tolerance | 30 PPM | 30 PPM | 30 PPM |
| Frequency Stability | 50 PPM | 50 PPM | 100 PPM |
| Minimum Operating Temperature | - 40 C | - 10 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 85 C |
| Length | 11.4 mm | 11.35 mm | 11.8 mm |
| Width | 4.8 mm | 4.65 mm | 5.5 mm |
| Height | 4.3 mm | 13.46 mm | 2.5 mm |
| Series | CSM-7X | HC49U | CSM12 |
| Packaging | Reel | - | Reel |
| Brand | ECS | ECS | ECS |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 1000 | 100 | 1000 |
| Subcategory | Crystals | Crystals | Crystals |
| Unit Weight | 0.020302 oz | - | - |
| ESR | - | 40 Ohms | 100 Ohms |
| Drive Level | - | 1 mW | 100 uW |
| Product | - | Crystals | - |
| Type | - | Quartz Crystal | - |
| Lead Spacing | - | 4.88 mm | - |