供應3*8 2*6 的32.768K,無鉛產(chǎn)品,現(xiàn)貨供應.
CRYSTAL UNITS SPECIFICATION
JU38
·GENERAL SPECIFICATIONS
·ENVIRONMENTAL & MECHANICAL SPECIFICATIONS
·DIMENSIONS
- GENERAL SPECIFICATIONS
1.1 Holder Style : 3*8
1.2 Frequency : 32.768kHz
1.3 Mode Of Oscillation :Fundamental
1.4 Frequency Tolerance at 25℃ :&plun;20ppm
1.5Frequency Stability at (-20℃～+70℃): -0.034ppm/℃²
1.6Load Capacitance ( CL ) :12.5PF
1.7 Static capacitance (CO) :1.6PFMAX
1.8 Resonance Resistance ( RR) : 30kΩMAX
1.9 Drive Level :0.1uWMAX
1.10 Insulatiom Resistance : >500Mohms DC/100V+15V
1.11 Aging :&plun;3ppm/year
1.12 Measurement Condition : the reference temperature shall be at 25℃&plun;2℃
- ENVIRONMENTAL & MECHANICAL SPECIFICATIONS
2.1 Operating Temperature : -10℃- +60℃
2.2Storage Temperature : -40℃- +85℃
ISSUE | REVISION | DATE | PRAT : JU38-12.5-32.768 |
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| SPECIFICATION FOR 3×8
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PREPAREDD | VERIFIED | APPROVED | |
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| PAGE 1 OF 2 |
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2.3 Leakage Rate : leak rate less than 2 x 10ˉ8Atm cc/sec of helium
2.4 Solderability : at 235℃&plun;10℃in solder bath.
90% of leads covered the solder
2.5 Seal Strength : 9 kgs force perpendicular to & bottom
2.6 Lead Pull : 1kg force along leads
2.7 Bend Test : pins will withstand maximum bend of 90°
referenced to base for 2 bends
2.8 Shock test : drop from 75cm height 3 times on 5cm
thick hard wood
2.9 Vibration test : the units shall be capable of withstanding 2 hours
in 3 directions 10-55Hz, amplitude 1.5mm p-p vibration
- DIMENSIONS