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| SURFACE MOUNT TUNING FORK CRYSTAL UNIT FEATURES SUITABLE FOR TIME OF DAY CLOCK APPLICATIONS LOW PROFILE 2 mm HEIGHT EXCELLENT FOR AUTOMATIC AND HIGH DENSITY SURFACE MOUNTING SPECIFICATIONS NOMINAL FREQUENCY FREQUENCY TOLERANCE TURNOVER TEMPERATURE TEMPERATURE COEFFICIENT LOAD CAPACITANCE EQUIVALENT SERIES RESISTANCE DRIVER LEVEL SHUNT CAPACITANCE AGING(FIRST YEAR) OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE SHOCK RESISTANCE SOLDER REFLOW CONDITIONS SERIES RSE H2 32.768 kHz 20 PPM MAXIMUM(50 PPM AND 100 PPM AVAILABLE) 25C 5 C (-0.035 0.008) PPM/ C 12.5 pF 55 kOHMS MAXIMUM 1.0 W MAXIMUM 1.5 pF MAXIMUM 5 PPM MAXIMUM -40C TO +85C -55C TO +125C 5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD SURFACE OR 3000 g x 0.3 ms x 1/2 SINEWAVE IN 3 AXES 230C MAXIMUM FOR 20s MAXIMUM OUTLINE DRAWING MARKING AREA 1 7.3 MAX .287 MAX 2 .169 MAX 2.6 .102 4.3 MAX PIN 4 PIN 3 1.3 1.3 .051 .051 PIN 1 PIN 2 1.2 .047 3.88 .153 .094 2.4 4 3 1.2 .047 1.8 .071 2.0 MAX .079 MAX LEAD CONNECTION SOLDER PAD LAYOUT 0 MIN 0.4 .016 Scale none Dimension in mm/inch 5.08 .200 REFLOW SOLDERING PROFILE 230 C 2 TO 5 C/s REFLOW 20 s 30 s COOLING 150 C 100 C 1 TO 4 C/s PREHEATING 230 s MAX CARRIER TAPE DIMENSIONS .16 .004 TEMPERATURE 200 C 7.5 .295 .630 H 4.3 0.1 .170 .004 8.0 0.1 .315 .004 CAVITY HEIGHT "H" RSE "A AND B" = 4.0 mm/.157 in RSE "C AND D" = 3.0 mm/.118 in 60 TEMP (C) 1.75 .069 16 1.5 DIA .06 DIA 2.0 0.05 .079 .002 4.0 0.1 25 C 60 s MIN TIME (SECONDS) FREQUENCY VS. TEMPERATURE CURVE -10 0 25 PACKAGING 330mm REEL DIAMETER 16mm TAPE WIDTH, 8mm PITCH QUANTITY: 3000 PIECES PER REEL PART NUMBERING SYSTEM -50 HOLDER FREQUENCY LOAD TAPE AND REEL - CAPACITANCE - H2 TYPE TR RSE IN kHz 12.5 pF EXAMPLE: RSE-32.768-12.5-H2-TR f/fo (ppm) Raltron Electronics Corporation 10651 NW 19th St. Miami, Florida 33172 U.S.A. Tel: 305-593-6033 Fax: 305-594-3973 e-mail: sales@raltron.com Internet: http://www.raltron.com |
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