HC49U
- 2 Lead Metal Package Quartz Crystal, 4.7 mm x 11 mm
Product Features:
Low Cost
RoHs Compliant
Compatible with Leadfree Processing
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
System Clock
| Frequency |
1.300 MHz to 160 MHz |
| Aging | ±5 ppm Max. / Year Standard |
| Crystal Cut | AT Cut Standard |
| Drive Level | 1 mW Max. |
| ESR (Equivalent Series Resistance) | |
| 1.3 MHz - 1.9 MHz | 800 Ω Max. |
| 2.0 MHz - 2.9 MHz | 500 Ω Max. |
| 3.0 MHz - 3.2 MHz | 200 Ω Max. |
| 3.3 MHz - 3.9 MHz | 150 Ω Max. |
| 4.0 MHz - 4.4 MHz | 100 Ω Max. |
| 4.5 MHz - 4.9 MHz | 80 Ω Max. |
| 5.0 MHz - 5.9 MHz | 70 Ω Max. |
| 6.0 MHz - 6.9 MHz | 50 Ω Max. |
| 7.0 MHz - 7.9 MHz | 40 Ω Max. |
| 8.0 MHz - 9.9 MHz | 30 Ω Max. |
| 10.0 MHz - 35.9 MHz | 25 Ω Max. |
| 25.0 MHz - 100 MHz (3rd O.T.) | 50 Ω Max. |
| 70.0 MHz - 160 MHz (5th O.T.) | 40 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: HC49U - FB1F18 - 20.000 MHz
| Package | Tolerance (ppm) at Room Temperature | Stability (ppm) over Operating Temperature | Operating Temperature Range | Mode (overtone) | Load Capacitance (pF) | Frequency |
|---|
| HC49U - (13.46mm H) | B = ± 50 | B = ± 50 | 0 = 0°C to +50°C | F = Fundamental | 18 pF Standard or Specify | 20.000 MHz |
| F = ± 30 | F = ± 30 | 1 = 0°C to +70°C | 3 = 3rd Overtone | | |
| G = ± 25 | G = ± 25 | 2 = -10°C to +60°C | 5 = 5th Overtone | | |
| 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.
