Crystal Unit
HC-49SMD(2pads/3pads) SMD Crystal UNITS
Features
- Small size , Light weight , 2pads/3pads.
- High dependability by means of resistance weld hermetic seal.
- Tape and reel available.
- RoHS compliant and lead free.
Specifications
| Type |
HC-49SMD(2pads/3pads)
|
| Freq. range |
3.0 ~ 150.0MHz
|
| Vibration mode |
AT cut , Fundamental , 3rd
|
| Frequency tolerance（at 25℃） |
-/+10ppm , -/+30ppm , or specify
|
| Equivalent series resistance |
See table No.1
|
| Frequency stability over operating temperature range |
-/+10ppm , -/+30ppm , or specify
|
| Operating temperature range |
-10 ~ +60℃ , or specify
|
| Drive Level |
300uW Max.
|
| Shunt capacitance |
5.0pF Max.
|
| Load capacitance |
16pF, 18pF, 20pF, or specify
|
| Aging |
-/+2ppm/year，-/+5ppm/year
|
| Min. Packing |
2,000pcs/Reel
|
Equivalent series resistance(ESR) Table No.1
| Frequency | Mode | ESR |
| 3.0~3.9MHz | Fundamental | 150 ohms Max. |
| 4.0~4.9MHz | Fundamental | 130 ohms Max. |
| 5.0~5.9MHz | Fundamental | 120 ohms Max. |
| 6.0~7.9MHz | Fundamental | 100 ohms Max. |
| 8.0~9.9MHz | Fundamental | 80 ohms Max. |
| 10.0~14.9MHz | Fundamental | 60 ohms Max. |
| 15.0~54.0MHz | Fundamental | 40 ohms Max. |
| 36.0~150.0MHz | 3rd | 70 ohms Max. |
- Specifications described are subject to change without notice for improvement.
Dimensions (Unit:mm)
49SMD(2pads)
| MODEL | H |
| HC-49SMD-4.5 | 4.5 |
| HC-49SMD-3.2 | 3.2 |
49SMD(3pads)
