HC 49USSMD 25 MHz Crystal Oscillator KYX KBD250002010 Frequency Stability Electronic Component

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Product Description

HC-49USSMD/25.000 MHZ

KBD250002010

HC-49USSMD/25.000 MHZ


1. GENERAL
HOLDER TYPE	HC-49USSMD
MODE OF VIBRATION	AT CUT		FUND
OSCILLATION MODE	S&A
TEST FACILITIES	KH-1240
STORAGE TEMPERATURE	-40TO +85
DRIVER LEVEL	100W
2. ELECTRICAL PARAMETER
NORMAL FREQUENCY	25.000	MHz
FREQUENCY TOLERANCE252	10ppm
TEMPERATURE STABILITY	20ppm
OPERATING TEMPERATURE RANGE	-20TO + 70
LOAD CAPACITANCE	20	PF
MOTIONAL CAPACITANE	3PF	MAX
SHUNT CAPACITANCE
EFFECTIVE SERIES RESISTANCE	40	MAX
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
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
a) PULLING TEST	Body of specimen shall be fixed, and 900g of tension weight shall be supplied gradually to axial direction of terminals/lead-wires for 30 sec . After above test a), there is no observation of any visual damages on the specimen.
BENDING TEST	Body of specimen shall be fixed, and 90degree bending shall be given, being supplied 225gs tension weight . After that, terminals/lead-wires shall be straightened gradually . Then the same bending and straightening shall be supplied to the opposite direction in the same axial . After above test a), there is no observation of any visual damages on the specimen .
SEALING TIGHTNESS	There is no observation of gas bubble after specimen put in hot water at +90+95for 5 min .
SOLDERING DIP	Terminals/lead-wires of specimen shall be dipped into solder melted tank at +2305 for 3sec . Dipping depth shall be 2mm from the bottom of specimens body . (After applying ROSIN flux) Soldering portion shall be covered in over 90% of terminals/lead-wires dipped .
SOLDER HEATING	Terminals/lead-wires of specimen shall be dipped into solder melted tank at +35010 for 3 sec . Electrical characteristics shall be satisfied after dipping depth shall be 2mm from edge of terminals/lead-wires .
ENVIRONMENTAL ENDURANCE
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 from low to high, high to low shall be done in 1/min (Refer to Fig-2) .