| PartNumber | ECS-184-20-3X-TR | ECS-184-20-1 | ECS-184-20-1X |
| Description | Crystals 18.432MHz 20pF 50ppm -10C +70C | Crystals 18.432MHz 20pF | Crystals 18.432MHz 20pF |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | N | Y |
| Termination Style | SMD/SMT | Radial | Radial |
| Package / Case | 7.6 mm x 4.1 mm | - | HC-49 |
| Load Capacitance | 20 pF | 20 pF | 20 pF |
| Frequency | 18.432 MHz | 18.432 MHz | 18.432 MHz |
| Tolerance | 30 PPM | 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 | 7.6 mm | 11.35 mm | 11.35 mm |
| Width | 4.1 mm | 4.65 mm | 4.65 mm |
| Height | 2.3 mm | 13.46 mm | 13.46 mm |
| Series | CSM-3X | HC49U | HC49UX |
| Packaging | Reel | - | Bulk |
| Type | Quartz Crystal | Quartz Crystal | Quartz Crystal |
| Brand | ECS | ECS | ECS |
| Mounting Style | SMD/SMT | Through Hole | Through Hole |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 3000 | 100 | 100 |
| Subcategory | Crystals | Crystals | Crystals |
| ESR | - | 20 Ohms | - |
| Drive Level | - | 1 mW | - |
| Product | - | Crystals | - |
| Lead Spacing | - | 4.88 mm | - |