| PartNumber | ECS-100-20-28AX-TR | ECS-100-20-4VX | ECS-100-20-4X-DU |
| Description | Crystals 10.000 MHz | Crystals 10.000Mhz 30ppm 20pF | Crystals 10.000MHZ 20pF 100 ppm -55C +125C |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | Y | Y |
| Termination Style | SMD/SMT | Radial | Radial |
| Package / Case | 13.2 mm x 4.8 mm | HC-49/USSX | HC-49/USX |
| Load Capacitance | 28 pF | 20 pF | 20 pF |
| Frequency | 10 MHz | 10 MHz | 10 MHz |
| Tolerance | 30 PPM | 30 PPM | 30 PPM |
| Frequency Stability | 50 PPM | - | 100 PPM |
| ESR | 50 Ohms | - | 60 Ohms |
| Drive Level | 0.5 mW | - | - |
| Minimum Operating Temperature | - 10 C | - | - 55 C |
| Maximum Operating Temperature | + 70 C | - | + 125 C |
| Length | 13.2 mm | 10.5 mm | 11.35 mm |
| Width | 4.8 mm | 3.8 mm | 4.65 mm |
| Height | 4.3 mm | - | 3.5 mm |
| Series | CSM-4AX | HC-49USSX | HCS-49USX |
| Packaging | Reel | Bulk | Bulk |
| Type | Quartz Crystal | - | - |
| Brand | ECS | ECS | ECS |
| Mounting Style | SMD/SMT | Through Hole | Through Hole |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 1000 | 200 | 200 |
| Subcategory | Crystals | Crystals | Crystals |
| Unit Weight | 0.023016 oz | - | 0.019667 oz |