Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Type | Frequency | Frequency Stability | Frequency Tolerance | Load Capacitance | ESR (Equivalent Series Resistance) | Operating Mode | Operating Temperature | Ratings | Mounting Type | Supplier Device Package | Size / Dimension | Height - Seated (Max) |
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ECS-92.1-20-1CRYSTAL 9.2160MHZ 20PF TH ECS Inc. |
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![]() Datasheet |
HC-49U | HC-49/U | Bulk | Active | MHz Crystal | 9.216 MHz | ±50ppm | ±30ppm | 20pF | 35 Ohms | Fundamental | -10°C ~ 70°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.530" (13.46mm) |
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ECS-59.9-20-1CRYSTAL 5.9904MHZ 20PF TH ECS Inc. |
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![]() Datasheet |
HC-49U | HC-49/U | Bulk | Active | MHz Crystal | 5.9904 MHz | ±50ppm | ±30ppm | 20pF | 50 Ohms | Fundamental | -10°C ~ 70°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.530" (13.46mm) |
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ECS-240-20-1CRYSTAL 24.0000MHZ 20PF TH ECS Inc. |
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![]() Datasheet |
HC-49U | HC-49/U | Bulk | Active | MHz Crystal | 24 MHz | ±50ppm | ±30ppm | 20pF | 20 Ohms | Fundamental | -10°C ~ 70°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.530" (13.46mm) |
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ECS-184-18-1CRYSTAL 18.4320MHZ 18PF TH ECS Inc. |
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![]() Datasheet |
HC-49U | HC-49/U | Bulk | Active | MHz Crystal | 18.432 MHz | ±50ppm | ±30ppm | 18pF | 20 Ohms | Fundamental | -10°C ~ 70°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.530" (13.46mm) |
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ECS-380.005-18-1CRYSTAL 38.00053MHZ 18PF TH ECS Inc. |
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![]() Datasheet |
HC-49U | HC-49/U | Bulk | Active | MHz Crystal | 38.00053 MHz | ±50ppm | ±30ppm | 18pF | 40 Ohms | 3rd Overtone | -10°C ~ 70°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.530" (13.46mm) |
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ECS-40.3-S-1XCRYSTAL 4.0320MHZ SERIES TH ECS Inc. |
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HC-49UX | HC-49/U | Bulk | Active | MHz Crystal | 4.032 MHz | ±50ppm | ±30ppm | Series | 100 Ohms | Fundamental | -10°C ~ 70°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.530" (13.46mm) |
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ECS-245.7-20-4XDNCRYSTAL 24.5760MHZ 20PF TH ECS Inc. |
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![]() Datasheet |
HC-49USX-DN | HC-49/US | Bulk | Active | MHz Crystal | 24.576 MHz | ±100ppm | ±30ppm | 20pF | 30 Ohms | Fundamental | -40°C ~ 85°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.138" (3.50mm) |
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ECS-240.001-18-4XENCRYSTAL 24.00014MHZ 18PF TH ECS Inc. |
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![]() Datasheet |
HC-49USX | HC-49/US | Bulk | Active | MHz Crystal | 24.00014 MHz | ±50ppm | ±30ppm | 18pF | 30 Ohms | Fundamental | -40°C ~ 85°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.138" (3.50mm) |
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ECS-61-18-4XENCRYSTAL 6.1440MHZ 18PF TH ECS Inc. |
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![]() Datasheet |
HC-49USX | HC-49/US | Bulk | Active | MHz Crystal | 6.144 MHz | ±50ppm | ±30ppm | 18pF | 100 Ohms | Fundamental | -40°C ~ 85°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.138" (3.50mm) |
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ECS-80-18-5PXDS-TRCRYSTAL 8.0000MHZ 18PF SMD ECS Inc. |
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![]() Datasheet |
CSM-7X | HC-49/US | Tape & Reel (TR) | Active | MHz Crystal | 8 MHz | ±100ppm | ±30ppm | 18pF | 60 Ohms | Fundamental | -40°C ~ 125°C | - | Surface Mount | - | 0.449" L x 0.189" W (11.40mm x 4.80mm) | 0.169" (4.30mm) |