鐵殼式MHz石英諧振器
CRYSTAL UNITS
HC-49S
ACTUAL SIZE:
49SN SERIES
APPLICATIONS
Computers, Modems, Communications
Automotive And Industrial
Home Electronics
FEATURES
Metal Welded Package
High Shock Resistance
Excellent Frequency Aging Stability
RoHS Compliant
Specification
| MODEL | ||
|---|---|---|
| FREQUENCY | ||
| FREQUENCY RANGE ( Fundamental ) | MHz | 3.500 ~ 40.000 |
| FREQUENCY RANGE ( 3rd Overtone ) | MHz | 24.000 ~ 80.000 |
| FREQUENCY TOLERANCE ( 25°C ) | ppm | ± 30 Or Specify |
| FREQUENCY STABILITY ( Ref to 25°C ) | ppm | ± 30 Or Specify |
| ENVIRONMENTAL CONDITION | ||
| OPERATING TEMPERATURE RANGE | °C | - 20 ~ + 70 Or Specify |
| STORAGE TEMPERATURE RANGE | °C | - 55 ~ + 125 |
| AGING / YEAR | ppm | ± 5 |
| ELECTRICAL SPECIFICATIONS | ||
| TEST CIRCUIT | S&A 250B With π Fixture | |
| LOAD CAPACITANCE | pF | SERIES, 6pF to 47pF, or Specify |
| DRIVE LEVEL | uW | 10, 50, 100, 500, 1000 or special requirement |
| EQUIVALENT SERIES RESISTANCE | Ω | See Table |
| INSULATION RESISTANCE | Ω | More than 500MΩ at DC 100V |
| SHUNT CAPACITANCE | pF | 7.0 Max. |
*Specification subject to change without notice.
Equivalent Series Resistance ( Ω )
| Frequency Range | Mode of Operation | ESR |
|---|---|---|
| 3.500 ~ 3.999 | Fundamental | 200Ω Max. |
| 4.000 ~ 4.999 | Fundamental | 120Ω Max. |
| 5.000 ~ 5.999 | Fundamental | 90Ω Max. |
| 6.000 ~ 7.999 | Fundamental | 80Ω Max. |
| 8.000 ~ 11.999 | Fundamental | 60Ω Max. |
| 12.000 ~ 14.999 | Fundamental | 40Ω Max. |
| 15.000 ~ 19.999 | Fundamental | 35Ω Max. |
| 20.000 ~ 40.000 | Fundamental | 25Ω Max. |
| 24.000 ~ 29.999 | 3rd Overtone | 120Ω Max. |
| 30.000 ~ 39.999 | 3rd Overtone | 80Ω Max. |
| 40.000 ~ 80.000 | 3rd Overtone | 60Ω Max. |
Dimension(mm)
49SN SERIES
