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| PartNumber | HCM494000000ABJT | HCM4940000000ABJT | HCM494000000ABKT |
| Description | CRYSTAL 4.0000MHZ 18PF SMD | CRYSTAL 40.0000MHZ 18PF SMD | CRYSTAL 4.0000MHZ 20PF SMD |
| Manufacturer | Citizen Finedevice Co Ltd | - | - |
| Product Category | Crystals | - | - |
| Series | HCM49 | - | - |
| Type | MHz Crystal | - | - |
| Packaging | Digi-ReelR Alternate Packaging | - | - |
| Height | 0.169" (4.30mm) | - | - |
| Package Case | HC49/US | - | - |
| Frequency | 4MHz | - | - |
| Operating Mode | Fundamental | - | - |
| Operating Temperature | -10°C ~ 60°C | - | - |
| Mounting Type | Surface Mount | - | - |
| Size Dimension | 0.449" L x 0.190" W (11.40mm x 4.83mm) | - | - |
| Load Capacitance | 18pF | - | - |
| ESR Equivalent Series Resistance | 150 Ohm | - | - |
| Ratings | - | - | - |
| Frequency Stability | ±50ppm | - | - |
| Frequency Tolerance | ±30ppm | - | - |