RSM200S-32.768-12.5-TR Raltron

SURFACE MOUNT TUNING FORK CRYSTAL Page 1 of 3 Page 1 of 3 RSM200S-32.768-12.5-TR SPECIFICATIONS PARAMETER VALUE NOMINAL FREQUENCY 32.768 kHz FREQUENCY TOLERANCE AT 25C 20 ppm max TURNOVER TEMPERATURE +25C 5C 2 PARABOLIC CURVATURE CONSTANT (-0.034 0.006) ppm/C OPERATING TEMPERATURE RANGE -40C to +85C STORAGE TEMPERATURE RANGE -55C to +125C FREQUENCY vs. TEMPERATURE CURVE AGING (FIRST YEAR) 3 ppm max LOAD CAPACITANCE 12.5 pF EQUIVALENT SERIES RESISTANCE 50 k max SHUNT CAPACITANCE 1.35 pF typ CAPACITANCE RATIO 450 typ DRIVE LEVEL 1 W max INSULATION RESISTANCE 500 M min MECHANICAL SPECIFICATION CARRIER TAPE DIMENSIONS NOTE: REFER TO EIA-481 FOR DIMENSIONS PACKAGING 178 mm REEL DIAMETER 16 mm TAPE WIDTH, 8 mm PITCH QUANTITY: 3000 PIECES PER REEL IN ACCORDANCE WITH EIA-481 r d RALTRO N ELECTRO NI CS 10400 N.W . 33 STREET Miam i, Fl or i da 33172 U. S. A. Telephone: 305-593-6033 Fax: 305-594-3973 e-mail: sales raltron.com web site: SURFACE MOUNT TUNING FORK CRYSTAL Page 2 of 3 Page 2 of 3 RSM200S-32.768-12.5-TR REFLOW PROFILE t P T P Critical Zone TL to TP Ramp-up TL tL T SMAX Temp. C Ramp-down TSMIN tS Preheat Time sec t 25C to Peak Reflow profile Temperature Min Preheat T 150C SMIN Temperature Max Preheat T 200C SMAX Time (T to T ) t 60-180 s SMIN SMAX S Temperature T 217C L Peak Temperature T 260C P Ramp-up rate R 3C/s max. UP Ramp-down rate R 6C/s max. DOWN Time within 5C of Peak Temperature t 10 s P Time t 25C to Peak Temperature t 25C to Peak 480 s Time t 60-150 s L ENVIRONMENTAL PARAMETER VALUE MOISTURE SENSITIVITY LEVEL 1 RoHS Compliant REACH SVHC Compliant HALOGEN-FREE Compliant ESD CLASSIFICATION LEVEL N/A TERMINATION FINISH Sn r d RALTRO N ELECTRO NI CS 10400 N.W . 33 STREET Miam i, Fl or i da 33172 U. S. A. Telephone: 305-593-6033 Fax: 305-594-3973 e-mail: sales raltron.com web site: