28 crystal unit specifications (characteristics) recommended soldering pattern external dimensions series resistance (unit: mm) internal connection (unit: mm) #4 #4 #3 #1 #2 #3 #1 0.7 9.6 (1.2) (1.2) 2.1 #2 4.0 3.5 0.5 3.7 max. 4.8 max. 11.7 max. 20.000m 572 e 1.8 1.91.7 1.9 1.8 7.8 smd high-frequency crystal unit ma-406 ? high-density mounting-type smd. ? excellent heat-resistance and environment capability. ? cover a wide frequency range, from 4 mhz to 64 mhz. item nominal frequency temperature range drive level frequency tolerance (standard) frequency temperature characteristics (standard) load capacitance series resistance shunt capacitance insulation resistance aging shock resistance symbol f t stg t opr gl dl d f/f c l r 1 c 0 ir fa s.r. specifications 4.000 mhz to 29.999 mhz 30.000 mhz to 64.000 mhz -55 ? to +125 ? -20 ? to +70 ? 2 mw 10 ? to 100 ? ?0 x 1 0 -6 under 5.5 mhz: ?0 x 1 0 -6 over 5.5 mhz: ?0 x 1 0 -6 fundamental: 10 pf to over tone: 5 pf to as per table below 5 pf max. 500 m w min. ? x 1 0 -6 / year ?0 x 1 0 -6 max. * 1 * 2 remarks fundamental mode 3rd overtone mode stored as bare product after unpacking please contact us on availability of -40 ? to +85 ? only crystal oscillation is guaranteed ta=+25 ?? ? -20 ? to +70 ? please specify -20 ? to +70 ? , dl=100 ? ta=+25 ? ? ? , first year t hree drops on a hard board from 750 mm or excitation test with 29400 m/s 2 x 0.3 ms x 1/2 sine wave x 3 directions * 1 8.0 mhz < f < 8.2 mhz: unavailable. 4.0 mhz f < 5.5 mhz : see "available frequencies form 4.0 mhz to less than 5.5 mhz" on page 22. * 2 26.000 mhz f <30.000 mhz :please contact us for inquiries for 3rd overtone mode. metal may be exposed on the top of this product. this won't affect any quality, reliability or electrical spec. < = frequency (mhz) series resistance ( ) oscillation mode 4.0 f < 5.5 150 max. 5.5 f < 6.0 100 max. 6.0 f < 10.0 80 max. 10.0 f < 12.0 60 max. 12.0 f < 16.0 50 max. 16.0 f < 30.0 40 max. 26.0 f 36.0 100 max. 36.0 < f 64.0 80 max. fundamental mode 3rd overtone mode storage temperature operating temperature maximum drive level recommended drive level do not connect #2 and #3 external device. actual size
part numbering system standard crystals (at strip crystal) ma-506 30.0000m a 0 - crystal package type: ca-301: 3mm diameter metal can ma-505: 4pin ?j? lead smd, 4.57mm height ma-506: 4pin ?j? lead smd, 4.57mm height ma-406: 4pin ?j? lead smd, 3.65mm height ma-306: miniature 4pin ?j? lead smd, 2.54mm height fa-238: ceramic smd, 0.7 height fa-365: ceramic smd, 1.4mm height frequency range: m: in mhz to 4 decimal places ca-301 and ma-505/506/406: 4~64mhz (8.0 |
