HC49USSMD 7.3728 MHz Crystal Oscillator with 20PF Load Capacitance KYX KBD737282030 Frequency Stability

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Product Description

HC-49USSMD/7.3728 MHZ

20PF/30ppm

KBD737282030

HC-49USSMD/7.3728 MHZ7.3728 MHz20pF30ppm


1. GENERAL
HOLDER TYPE	HC-49USSMD
MODE OF VIBRATION	FUND
OSCILLATION MODE	S&A
TEST FACILITIES	KH-1240
STORAGE TEMPERATURE	-40TO +85
DRIVER LEVEL	100W
2. ELECTRICAL PARAMETER
NORMAL FREQUENCY	7.3728 MHz
FREQUENCY TOLERANCE252	30ppm
TEMPERATURE STABILITY	20ppm
OPERATING TEMPERATURE RANGE	-20TO + 70
LOAD CAPACITANCE	20 PF
MOTIONAL CAPACITANCE	3PF MAX
SHUNT CAPACITANCE
EFFECTIVE SERIES RESISTANCE	180MAX
INSULATION RESISTANCE	500M OHMS MIN AT DC 100V
3. MECHANICAL PARAMETER
SOLDERABILITY	95%COVERAGE BY USING 90/10 SOLD AT 245FOR 5 SEC. DIPING AFTER IMMERSION IN ALPHA 611 FLUX FOR 5 SEC.
MECHANICAL ENDURANCE		Provided that measurement shall be carried out after letting it alone in the room temperature for 1 hour.
SHOCK	Electrical characteristics shall be satisfied after dropping three time from the height of 50 cm onto Hard wooden board.
VIBRATION	Electrical characteristics shall be satisfied after supplying following Vibration. VIBRATION FREQUENCY: 1055Hz, REPEATED PERIOD: 12min, FULL CYCLE: 1.5mm PP, DIRECTION: X.Y.Z, TIME: 2hours/each direction
STRENGTH OF TERMINALS/LEADWIRES (PULLING)	900g of tension weight shall be supplied gradually to axial direction of terminals/lead-wires for 30 sec. No visual damages.
STRENGTH OF TERMINALS/LEADWIRES (BENDING)	90degree bending shall be given, being supplied 225gs tension weight. No visual damages.
SEALING TIGHTNESS	No observation of gas bubble after specimen put in hot water at +90+95for 5 min.
SOLDERING DIP	Terminals/lead-wires shall be dipped into solder melted tank at +2305 for 3sec. Dipping depth 2mm. Soldering portion shall be covered in over 90% of terminals/lead-wires dipped.	(After applying ROSIN flux)
SOLDER HEATING	Terminals/lead-wires shall be dipped into solder melted tank at +35010 for 3 sec. Electrical characteristics shall be satisfied.	Dipping depth 2mm from edge of terminals/lead-wires.
ENVIRONMENTAL ENDURANCE		Provided that measurement shall be carried out after letting it alone in the room temperature for 1 hour.
HUMIDITY	Electrical characteristics shall be satisfied after letting it alone at 602in humidity of 9095% for 250 hours.
STORAGE IN LOW TEMPERATURE	Electrical characteristics shall be satisfied after letting it alone at -302for 250 hours.
STORAGE IN HIGH TEMPERATURE	Electrical characteristics shall be satisfied after letting it alone at +852for 250 hours.
TEMPERATURE CYCLE	Electrical characteristics shall be satisfied after supplying the following temperature cycle (3cycles). Temperature shift: 1/min.	(Refer to Fig-2)