Thru-Hole Quartz Crystals 49U, 49T

X49 Series( HC- 49U,HC-49T ): Specifications:

Table 1	X49U( HC- 49U )	X49T ( HC- 49T )
Frequency Range	1.8432~200Mhz	1.8432~200Mhz
Vibration Mode	At Cut/Fund, 3rd,5th,7th Overtone	At Cut/Fund, 3rd,5th,7th Overtone
Frequency Tolerance (at 25°C±2°C )	±5~±100ppm Typical: ±10ppm, ±30ppm, ±50ppm	±5~±100ppm Typical: ±10ppm, ±20ppm, ±50ppm
Frequency Stability vs Operation Temperature Range	see Table 2	see Table 2
Resonance Resistance	see Table 3	see Table 3
Shunt Capacitance ( C0 )	7pF Max	7pF Max
Load Capacitance ( CL )	6pF Min, Series Typical: 8pF, 12pF 15pF, 20pF	6pF Min, Series Typical: 8pF, 12pF 15pF, 20pF
Drivel Level ( DL )	2µW~500µW	2µW~500µW
Insulation Resistance ( Ri )	500MegaOhms at DC100V	500MegaOhms at DC100V
Aging	±5ppm/year Max. Typical: ±2ppm/year	±5ppm/year Max. Typical: ±2ppm/year
Package	49U	49T
Package Option	-MJ: Mounted & Jacket -T: Tape and Reel -TW: With Top Wire	-MJ: Mounted & Jacket -T: Tape and Reel -TW: With Top Wire

Frequency stability vs Operation Temperature Range ( Ref to 25°C ) & Option Code

Table 2	±3ppm	±5ppm	±10ppm	±20ppm
0~50°C	A03	A05	A10	A20
-10~60°C	B03	B05	B10	B20
-20~70°C		C05	C10	C20
-30~75°C			D10	D20
-40~85°C				E20

Resonance Resistance

Table 3	Vibration Mode	ESR
1.8~3.5Mhz	Fund.	400Ohm
3.5~5Mhz	Fund.	100Ohm
5~10Mhz	Fund.	40Ohm
10~50Mhz	Fund.	25Ohm
35~120Mhz	3rd O.T.	40Ohm
75~200Mhz	5th O.T.	70Ohm
100~200Mhz	7th O.T.	100Ohm

X49 Series ( HC- 49U, HC- 49T ) Part Numbering Key

SERIES	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	F=Fund. 3=3rd O.T. 5=5th O.T. 7=7th O.T.	see Table 2		see Table 1	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