| PartNumber | ECS-060-20-4X-DU | ECS-080-18-20BM-JEN-TR | ECS-040-20-4X-DU |
| Description | Crystals 6.000MHZ 20pF 100 ppm -55C +125C | Crystals 8MHz 18pF -40C +85C | Crystals 4.000MHZ 20pF 100 ppm -55C +125C |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | Y | Y |
| Termination Style | Radial | SMD/SMT | Radial |
| Package / Case | HC-49/USX | 7 mm x 5 mm | HC-49/USX |
| Load Capacitance | 20 pF | 18 pF | 20 pF |
| Frequency | 6 MHz | 8 MHz | 4 MHz |
| Tolerance | 30 PPM | 20 PPM | 30 PPM |
| Frequency Stability | 100 PPM | 50 PPM | 100 PPM |
| ESR | 100 Ohms | 60 Ohms | 150 Ohms |
| Minimum Operating Temperature | - 55 C | - 40 C | - 55 C |
| Maximum Operating Temperature | + 125 C | + 85 C | + 125 C |
| Length | 11.35 mm | 7 mm | 11.35 mm |
| Width | 4.65 mm | 5 mm | 4.65 mm |
| Height | 3.5 mm | 1.3 mm | 3.5 mm |
| Series | HCS-49USX | CSM-8M | HCS-49USX |
| Packaging | Bulk | Reel | Reel |
| Brand | ECS | ECS | ECS |
| Mounting Style | Through Hole | SMD/SMT | Through Hole |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 200 | 1000 | 200 |
| Subcategory | Crystals | Crystals | Crystals |
| Unit Weight | 0.021164 oz | - | 0.019667 oz |
| Drive Level | - | 100 uW | - |
| Product | - | Crystals | - |
| Type | - | SMD Quartz Crystal | - |