| PartNumber | ATS20A | ATS20ASM-1 | ATS20A-E |
| Description | Crystals 20MHz 20pF 30ppm -20C 70C | Crystals 20MHz 20pF 30ppm -20C 70C | Crystals 20MHz 20pF 30ppm -40C 85C |
| Manufacturer | CTS | CTS-Frequency Controls | - |
| Product Category | Crystals | Crystals | - |
| RoHS | Y | - | - |
| Termination Style | Radial | SMD/SMT | - |
| Package / Case | HC-49/US | - | - |
| Load Capacitance | 20 pF | 20pF | - |
| Frequency | 20 MHz | 20MHz | - |
| Tolerance | 30 PPM | 30 PPM | - |
| Frequency Stability | 50 PPM | ±50ppm | - |
| Minimum Operating Temperature | - 20 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Length | 10.85 mm | 11.1 mm | - |
| Width | 4.5 mm | 3.8 mm | - |
| Height | 3.68 mm | 0.169" (4.30mm) | - |
| Series | ATS | ATS-SM | - |
| Packaging | Bulk | Tape & Reel (TR) | - |
| Brand | CTS Electronic Components | - | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Product Type | Crystals | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Crystals | - | - |
| Unit Weight | 0.019852 oz | - | - |
| Type | - | MHz Crystal | - |
| Operating Temperature Range | - | - 20 C to + 70 C | - |
| Package Case | - | HC-49/US-SM | - |
| Operating Mode | - | Fundamental | - |
| Operating Temperature | - | -20°C ~ 70°C | - |
| Mounting Type | - | Surface Mount | - |
| Size Dimension | - | 0.437" L x 0.190" W (11.10mm x 4.83mm) | - |
| ESR Equivalent Series Resistance | - | 30 Ohm | - |
| Ratings | - | - | - |
| Frequency Tolerance | - | ±30ppm | - |