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| PartNumber | HC49US-4.000MBBJ-UB | HC49US-4.000MBBIUB | HC49US-4.000MABJ-UB |
| Description | Crystals CRYSTAL | Crystals 4MHz 50ppm 16.0pF -10C +60C | Crystals 4MHz 18pF HC49S THROUGH HOLE |
| Manufacturer | Citizen FineDevice | Citizen FineDevice | Citizen FineDevice |
| Product Category | Crystals | Crystals | Crystals |
| RoHS | - | Details | - |
| Brand | - | Citizen FineDevice | - |
| Termination Style | - | Radial | - |
| Package / Case | - | HC-49/US | - |
| Load Capacitance | - | 16 pF | - |
| Frequency | - | 4 MHz | - |
| Tolerance | - | 50 PPM | - |
| Frequency Stability | - | 50 PPM | - |
| Operating Temperature Range | - | - 20 C to + 70 C | - |
| Packaging | - | Bulk | - |
| Series | - | HC-49/US | - |
| ESR | - | 150 Ohms | - |
| Height | - | 3.5 mm | - |
| Lead Spacing | - | 4.88 mm | - |
| Length | - | 11.5 mm | - |
| Mounting Style | - | Through Hole | - |
| Type | - | AT-Cut Crystal Metal Can Type | - |
| Width | - | 4.66 mm | - |
| Part # Aliases | - | HC-49/U-S4000000BBIB | - |