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| PartNumber | ECS-250-20-30B-TR | ECS-250-20-28AX-F-TR | ECS-250-20-33-CKM-TR |
| Description | Crystals 25MHz 20pF SMD CRYSTAL | Crystals 25.000 MHz | Crystals 25.000MHz 20pF 10ppm -20C +70C |
| Manufacturer | ECS | ECS | ECS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | N | Y | Y |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | 5 mm x 3.2 mm | HC-49/US | 3.2 mm x 2.5 mm |
| Load Capacitance | 20 pF | 20 pF | 20 pF |
| Frequency | 25 MHz | 25 MHz | 25 MHz |
| Tolerance | 50 PPM | - | 10 PPM |
| Frequency Stability | 100 PPM | 50 PPM | 10 PPM |
| Minimum Operating Temperature | 0 C | - 10 C | - 20 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Length | 5 mm | 12.5 mm | 3.2 mm |
| Width | 3.2 mm | 4.85 mm | 2.5 mm |
| Height | 0.85 mm | 5 mm | 0.8 mm |
| Series | ECX-53B | CSM-4AX | ECX-32 |
| Packaging | Reel | Reel | Reel |
| Type | SMD Quartz | SMD Quartz | - |
| 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 |
| Unit Weight | 0.001764 oz | 0.023016 oz | 0.000564 oz |
| ESR | - | - | 40 Ohms |