| PartNumber | ECS-51-20-5PX-TR | ECS-51-20-1X | ECS-51-20-5P-TR |
| Description | Crystals CRYSTAL 5.0688MHZ 20PF SMD,CSM-7X, 50ppm, 30ppm,20pF,80 Ohm,Fundamental,-10 C ~ 70 C,HC49/US,0.449" L x 0.189" W (11.40mm x 4.80mm),0.169" (4.30mm) | Crystals 5.0688MHz 20pF | Crystals CRYSTAL 5.0688MHz |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| Termination Style | SMD/SMT | Radial | SMD/SMT |
| Load Capacitance | 20 pF | 20 pF | 20 pF |
| Frequency | 5.0688 MHz | 5.0688 MHz | 5.0688 MHz |
| Tolerance | 30 PPM | 30 PPM | 30 PPM |
| Frequency Stability | 50 PPM | 50 PPM | 50 PPM |
| ESR | 80 Ohms | - | - |
| Drive Level | 500 uW | - | - |
| Minimum Operating Temperature | - 10 C | - 10 C | - 10 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Length | 11.4 mm | 11.35 mm | 13.2 mm |
| Width | 4.8 mm | 4.65 mm | 4.8 mm |
| Height | 4.3 mm | 13.46 mm | 4.3 mm |
| Series | CSM-7X | HC49UX | CSM-7 |
| Packaging | Reel | Bulk | Reel |
| Product | Crystals | - | - |
| Type | Low Cost SMD Quartz Crystal | Quartz Crystal | SMD Quartz |
| 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 |
| RoHS | - | Y | N |
| Package / Case | - | HC-49 | HC-49/US |