| PartNumber | ECS-270-10-30B-CKM-TR | ECS-260-9-37-CKM-TR | ECS-260-8-47-JTM-TR |
| Description | Crystals 27MHz 10ppm 10pF -20C +70C | Crystals 26MHz 10ppm 9pF -20C +70C | Crystals 26MHz 20ppm 8pF -20C +70C |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | Y | Y |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | 5 mm x 3.2 mm | 2 mm x 1.6 mm | 1.6 mm x 1.2 mm |
| Load Capacitance | 10 pF | 9 pF | 8 pF |
| Frequency | 27 MHz | 26 MHz | 26 MHz |
| Tolerance | 10 PPM | 10 PPM | 20 PPM |
| Frequency Stability | 10 PPM | 10 PPM | 20 PPM |
| Drive Level | 300 uW | 100 uW | 100 uW |
| Minimum Operating Temperature | - 20 C | - 20 C | - 20 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Length | 5 mm | 2 mm | 1.6 mm |
| Width | 3.2 mm | 1.6 mm | 1.2 mm |
| Height | 0.85 mm | 0.45 mm | 0.3 mm |
| Series | ECX-53B | ECX-1637 | ECX-1247 |
| Packaging | Reel | Reel | Reel |
| Product | Crystals | Crystals | Crystals |
| Brand | ECS | ECS | ECS |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 1000 | 1000 | 1000 |
| Subcategory | Crystals | Crystals | Crystals |
| ESR | - | 60 Ohms | 100 Ohms |
| Type | - | Low Profile SMD Crystal | Low Profile SMD Crystal |