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| PartNumber | ATS204SM-1 | ATS204SM-1E | ATS204SM |
| Description | Crystals 20.48MHz 20pF | Crystals 20.48MHz 20pF 30ppm -40C 85C | Crystals 20.48MHz 20pF |
| Manufacturer | CTS | CTS | CTS Electronic Components |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | Y | Details |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | HC-49/US | HC-49/US-SM | HC-49/US |
| Load Capacitance | 20 pF | 20 pF | 20 pF |
| Frequency | 20.48 MHz | 20.48 MHz | 20.48 MHz |
| Tolerance | 30 PPM | 30 PPM | 30 PPM |
| Frequency Stability | 50 PPM | 50 PPM | 50 PPM |
| Minimum Operating Temperature | - 20 C | - 40 C | - |
| Maximum Operating Temperature | + 70 C | + 85 C | - |
| Length | 12.3 mm | 11.1 mm | 12.3 mm |
| Width | 4.83 mm | 3.8 mm | 4.83 mm |
| Height | 4.3 mm | 4.3 mm | 4.3 mm |
| Series | ATS-SM | ATS-SM | ATS-SM |
| Packaging | Reel | Reel | Bulk |
| Brand | CTS Electronic Components | CTS Electronic Components | CTS Electronic Components |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Product Type | Crystals | Crystals | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Crystals | Crystals | - |
| Part # Aliases | ATS204SM-T | - | - |
| Operating Temperature Range | - | - | - 20 C to + 70 C |