HC49US
- 2 Lead Metal Package Quartz Crystal, 4.7 mm x 11 mm
Product Features:
Low Cost Package
RoHs Compliant
Compatible with Leadfree Processing
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
| Frequency |
3.200 MHz to 100 MHz |
| Aging | ±5 ppm Max. / Year Standard |
| Crystal Cut | AT Cut Standard |
| Drive Level | 1 mW Max. |
| ESR (Equivalent Series Resistance) | |
| 3.2 MHz - 3.49 MHz | 300 Ω Max. |
| 3.5 MHz - 3.99 MHz | 200 Ω Max. |
| 4.0 MHz - 4.99 MHz | 150 Ω Max. |
| 5.0 MHz - 5.99 MHz | 120 Ω Max. |
| 6.0 MHz - 6.99 MHz | 100 Ω Max. |
| 7.0 MHz - 8.9 MHz | 80 Ω Max. |
| 9.0 MHz - 12.9 MHz | 60 Ω Max. |
| 13.0 MHz - 19.9 MHz | 40 Ω Max. |
| 20.0 MHz - 36 MHz | 30 Ω Max. |
| 27 MHz - 100 MHz (3rd O.T.) | 100 Ω Max. |
| Frequency Stability over Temperature | ±50 ppm Standard (see Part Number Guide for more options) |
| Frequency Tolerance @ 25° C | ±30 ppm Standard (see Part Number Guide for more options) |
| Load Capacitance | 18 pF Standard (see Part Number Guide for more options) |
| Operating Temperature | 0° C to +70° C Standard (see Part Number Guide for more options) |
| Shunt Capacitance (C0) | 7 pF Max. |
| Storage Temperature | -40° C to +85° C Standard |
Part Number Guide
- Sample Part Number: HC49US - FB1F18 - 20.000 MHz
| Package | Tolerance (ppm) at Room Temperature | Stability (ppm) over Operating Temperature | Operating Temperature Range | Mode (overtone) | Load Capacitance (pF) | Frequency |
|---|
| HC49US - (3.5 mm H) | B = ± 50 | B = ± 50 | 0 = 0°C to +50°C | F = Fundamental | 18 pF Standard or Specify | 20.000 MHz |
| HC49US2 - (2.5 mm H) | F = ± 30 | F = ± 30 | 1 = 0°C to +70°C | 3 = 3rd Overtone | | |
| HC49US3 - (2.0 mm H) | G = ± 25 | G = ± 25 | 2 = -10°C to +60°C | | | |
| H = ± 20 | H = ± 20 | 3 = -20°C to +70°C | | | |
| I = ± 15 | I = ± 15 ** | 5 = -40°C to +85°C | | | |
| J = ±10 * | J = ±10 ** | 9 = -10°C to +50°C | | | |
* Not available at all frequencies.
** Not available for all temperature ranges.
