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Datasheet File OCR Text: |
crystal units for microprocessor (nr-18) 56 crystal units features 8 nr-18 crystal units can provide a great number of standard frequencies and have a wide range of applications. in addition, taping type and gull-wing type are available for automatic mounting. specification technical guidance (nr-18) equivalent series resistance (r 1 ) dimensions shunt capacitance (c 0 ) motional capacitance (c 1 ) 10.10 max 3.70 max ?0.43 20 1 +0.05 ?.03 4.88 0.20 13.46max 4.65 max 11.05 max 200 160 180 120 40 80 100 r1 ( ? ) 140 60 20 0 10 1 freq (mhz) 100 fundamental 3rd overtone 4 8 10 co (pf) 6 2 0 10 1 freq (mhz) 100 3rd overtone fundamental 10 100 c1 (ff) 1 10 1 freq (mhz) 100 3rd overtone fundamental (mm) (max) (typical) (typical) nr-18 frequency range overtone temperature characteristics operating temp. range frequency tolerance equivalent series resistance table 5 (nr-18) table 5 (nr-18) ?0 10 -6 ?0 ~ +60? ?0 10 -6 (at 25?) table 5 (nr-18) measuring circuit: ci meter drive level standard load capacitance fundamental 3rd overtone 50? (1000? max) 500? (1000? max) 16pf series standard load capacitance may vary depending on the frequency.
58 crystal units 3.000 3.072 3.120 3.146024 3.1884 3.200 3.2764 3.2768 3.330 3.4944 3.500 3.515 3.541 3.546894 3.557837 3.575611 3.579545 3.582056 3.600 3.601 3.6864 3.79545 3.840 3.900952 3.932160 3.975 3.9936 4.000 4.032 4.096 4.14 4.194304 4.296503 4.332 4.433619 4.500 4.608 4.78272 4.800 4.9152 5.000 5.0688 5.120 5.185 5.5296 5.700 5.7143 5.760 6.000 6.144 6.176 6.250 6.400 6.5536 7.000 7.15909 7.162109 7.200 7.300 7.3728 7.500 7.600 8.000 8.192 8.388 table 5 standard frequencies and specifications (nr-18) standard frequency (mhz) |
Price & Availability of NR-18-762875MHZ-5OT-SR |
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