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HC-49US(2pins/3pins) |
Home >> Products >> Quartz Crystal Unit |
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HC-49US(2pins/3pins) |
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HC-49/US(2pins/3pins)
Crystal UNITS |
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| Features |
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Small size , Light weight , 2pins/3pins. |
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High dependability by means of resistance weld hermetic seal. |
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Tape and reel available. |
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Height 2.5mm available. |
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RoHS compliant and lead free. |
| Type |
HC-49/US(2pins/3pins)
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Freq. range
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3.0 ~ 150.0MHz
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| Vibration mode |
AT cut , Fundamental , 3rd
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| Frequency tolerance£¨at 25°C£© |
-/+10ppm , -/+30ppm , or specify
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| Equivalent series resistance |
See table No.1
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Frequency stability over
operating temperature range |
-/+10ppm , -/+30ppm , or specify
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| Operating temperature range |
-10 ~ +60°C , or specify
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| Drive Level |
300uW Max.
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| Shunt capacitance |
5.0pF Max.
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| Load capacitance |
16pF, 18pF, 20pF, or specify
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| Aging |
-/+2ppm/year , -/+5ppm/year
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Equivalent series resistance(ESR) Table No.1
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| 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. |
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HC-49/US(2pins/3pins)
Crystal UNITS
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 Dimensions (Unit:mm) |
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 49US(2pins) |
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H (Max)
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HC-49/US-3.5
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3.5
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| HC-49/US-2.5 |
2.5
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49US(3pins) |
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