| PartNumber | ATS400 | ATS400BSM-1 | ATS400B |
| Description | Crystals 40MHz Series 30ppm -20C 70C | Crystals 40MHz 18pF 30ppm -20C 70C | Crystals 40MHz 18pF 30ppm -20C 70C |
| Manufacturer | CTS | CTS | CTS |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | Y | Y | Y |
| Termination Style | Radial | SMD/SMT | Radial |
| Package / Case | HC-49/US | HC-49/US-SM | HC-49/US |
| Load Capacitance | Series | 18 pF | 18 pF |
| Frequency | 40 MHz | 40 MHz | 40 MHz |
| Tolerance | 30 PPM | 30 PPM | 30 PPM |
| Frequency Stability | 50 PPM | 50 PPM | 50 PPM |
| Minimum Operating Temperature | - 20 C | - 20 C | - 20 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Length | 10.85 mm | 11.1 mm | 10.85 mm |
| Width | 4.5 mm | 3.8 mm | 4.5 mm |
| Height | 3.68 mm | 4.3 mm | 3.68 mm |
| Series | ATS | ATS-SM | ATS |
| Packaging | Bulk | Reel | Bulk |
| Brand | CTS Electronic Components | CTS Electronic Components | CTS Electronic Components |
| Mounting Style | Through Hole | SMD/SMT | Through Hole |
| Product Type | Crystals | Crystals | Crystals |
| Factory Pack Quantity | 100 | 1000 | 100 |
| Subcategory | Crystals | Crystals | Crystals |