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| SMALL SMD HIGH - FREQUENCY CRYSTAL UNIT MA-306 * High-density mounting-type SMD. * Excellent reliability and environment capability. * Capable of covering a wide frequency range. ( from 17.734 MHz to 41 MHz) * 2.54mm thickness is equal to SMD-type IC. Actual size Specifications (characteristics) Item Symbol f TSTG TOPR GL DL TSOL f/f Specifications 17.734 MHz to 41.000 MHz -55C to +100C -20C to +70C 2mW max. 10W to 100W Twice at under 260C within 10 sec. or under 230C within 3 min. 50ppm 30ppm CL R1 C0 IR fa 10pF to 60 max. 5pF max. 500 M min. 5ppm/Y max. Ta=25C3C, first year Ta=25C3C -20C to +70C Please specify -20C to +70C, DL=100W Only crystal oscillation is guaranteed Remarks Fundamental mode Stored as bare product after unpacking Nominal frequency Temperature range Drive level Storage temperature Operating temperature Maximum drive level Recommended drive level Soldering condition Frequency tolerance (standard) Frequency temperature characteristics (standard) Load capacitance Series resistance Shunt capacitance Insulation resistance Aging Three drops on a hard board from 75 cm or excitation Shock resistance S.R. 10ppm max. test with 3000G x 0.3ms x 1/2 sine wave x 3 directions There are some cases that a parts of the cylindrical capsule of quartz unit expose on the surface of the molding material. External dimensions Internal connection #3 #4 3.8 max. #3 (Unit: mm) Recommended soldering pattern (Unit: mm) 8.0 max. #4 1.3 4.2 1.3 #1 #2 2.54 max. 2.38 0.5 5.5 (0.9) 1.9 (0.9) Do not connect #2 and #3 to external device. http://www.spezial.cz - - - spezial@spezial.cz - - - Hotlines: Tel (02) 2434 2200 - - - Fax (02) 2434 3200 1.9 1.3 1.9 20.000M E 572 3.2 #1 #2 |
Price & Availability of MA-306
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