td-021014 rev. b specifications subject to change without notice. designed to provide traditional crystal design flexibility of the hc49 in a smaller um-1 package. custom lead forming available for smd applications. um-1 leaded crystal CRMXX model 10mhz to 50mhz (fund) 20mhz to 100mhz (3rd o/t) 50mhz to 200mhz (5th o/t) 10ppm to 100ppm 10ppm to 100ppm 0c to 70c -20c to 70c -40c to 85c -55c to 120c 7.0pf max 100 uw typical see table 1 **custom designs available frequency range: frequency tolerance: frequency stability: temperature range: (option) (option) storage: shunt capacitance: drive level: esr: freq. (mhz) max esr 10.0 - 18.0 60 18.1 - 50.0 40 20.0 - 100.0 60 50.0 - 200.0 100 resistance at series resonance table 1 aging: crm x x x x - freq example: crm4f51-20.000 = 25ppm at 25c, 50ppm 0 to 70c, 20pf load cap, fundamental, 20.000mhz mode frequency tolerance at 25c 1 10 ppm 2 15 ppm 3 20 ppm 4 25 ppm 5 30 ppm 6 50 ppm 7 100 ppm (0 to 70c) (0 to 70c) (0 to 70c) (0 to 70c) (0 to 70c) (0 to 70c) (0 to 70c) (-20 to 70c) (-20 to 70c) 10 ppm 15 ppm 20 ppm 25 ppm 30 ppm 50 ppm 100 ppm 15 ppm 20 ppm a b c d e f g h i j k l m n o p q 30ppm 50 ppm 100 ppm 20 ppm 25 ppm 30 ppm 50 ppm 100 ppm (-20 to 70c) (-20 to 70c) (-20 to 70c) (-40 to 85c) (-40 to 85c) (-40 to 85c) (-40 to 85c) (-40 to 85c) frequency stability over temp range load capacitance 1 2 3 4 5 6 7 8 series 14 pf 16 pf 18 pf 20 pf 22 pf 25 pf 32 pf 1 3 5 fundamental 10-50 mhz 3rd overtone 20-100 mhz 5th overtone 50-200 mhz cry freq 0.314 (8.0) 0.091 (2.31) 0.291 (7.40) 0.314 (8.0) 0.126 (3.20) 0.018 (0.46) 0.148 0.008 (3.76 0.20) 0.500 min (12.70 min) dc all dimensions are max unless otherwise specified. dimensions inches (mm) build your own p/n <3ppm 1st/yr max quartz crystal 43 l e a d f r e e r o h s c o mp l i a n t
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