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Home / Products / Crystal Resonator / X49 Series
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Thru-Hole Crystal Resonators 49U, 49T
- Excellent frequecny-temperature characteristics extending across a wide temperature range.
- Low Cost.
- High Quality quartz crystal units for PC, Micro-processor,Communication.
X49 Series( HC- 49U,HC-49T ): Specifications:
Table 1
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X49U( HC- 49U )
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X49T ( HC- 49T )
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Frequency Range
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1.8432~200Mhz
|
1.8432~200Mhz
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Vibration Mode
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At Cut/Fund,
3rd,5th,7th Overtone
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At Cut/Fund,
3rd,5th,7th Overtone
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Frequency Tolerance (at 25°C±2°C )
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±5~±100ppm
Typical: ±10ppm, ±30ppm,
±50ppm |
±5~±100ppm
Typical: ±10ppm, ±20ppm,
±50ppm |
Frequency Stability vs Operation
Temperature Range
|
see Table 2
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see Table 2
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Resonance Resistance
|
see Table 3
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see Table 3
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Shunt Capacitance ( C0 )
|
7pF Max
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7pF Max
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Load Capacitance ( CL )
|
6pF Min, Series
Typical: 8pF, 12pF
15pF, 20pF |
6pF Min, Series
Typical: 8pF, 12pF
15pF, 20pF |
Drivel Level ( DL )
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2µW~500µW |
2µW~500µW
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Insulation Resistance ( Ri )
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500MegaOhms
at DC100V
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500MegaOhms
at DC100V
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Aging
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±5ppm/year Max.
Typical: ±2ppm/year
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±5ppm/year Max.
Typical: ±2ppm/year
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Package
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49U
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49T |
Package Option
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-MJ: Mounted & Jacket
-T: Tape and Reel
-TW: With Top Wire |
-MJ: Mounted & Jacket
-T: Tape and Reel
-TW: With Top Wire |
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Frequency stability vs Operation Temperature Range ( Ref to 25°C ) & Option Code
Table 2
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±3ppm
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±5ppm
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±10ppm
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±20ppm
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0~50°C
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A03
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A05
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A10
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A20
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-10~60°C
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B03
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B05
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B10
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B20
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-20~70°C
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C05
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C10
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C20
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-30~75°C
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D10
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D20
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-40~85°C
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|
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|
E20
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Resonance Resistance
Table 3
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Vibration Mode
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XU1, XU5
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1.8~3.5Mhz
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Fund.
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400Ohm
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3.5~5Mhz
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Fund.
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100Ohm
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5~10Mhz
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Fund.
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40Ohm
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10~50Mhz
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Fund.
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25Ohm
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35~120Mhz
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3rd O.T.
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40Ohm
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75~200Mhz
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5th O.T.
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70Ohm
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100~200Mhz
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7th O.T.
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100Ohm
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X49 Series ( HC- 49U, HC- 49T ) Part Numbering Key
SERIES
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CIRCUIT
CONDITION |
FREQ.
TOLERANCE
AT 25°C |
MODE
|
FREQ.
STABILITY
vs. TEMP. |
PACKAGE
|
PACKAGE
OPTIONS
|
FREQ.
|
X49U
X49T |
S=Series
10P,12P,
15P,20P,
30P,32P,
etc. |
±5~±100ppm
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F=Fund.
3=3rd O.T.
5=5th O.T.
7=7th O.T. |
see Table 2
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|
see Table 1
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12Mhz
etc. |
X49U
X49T |
20P
18P |
25
50 |
F
3 |
B25
C50 |
|
-TW
-T |
32.768Mhz
45.545Mhz |
Sample Part Numbers:
X49U-20P25-FB25-TW@32.768Mhz
X49T-18P50-3C50-T@45.545Mhz
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