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) ±25°C ±5 °C (-0.035± 0.008) PPM/ ∆°C² 12.5 pF 55 kOHMS MAXIMUM 1.0 µW MAXIMUM 1.5 pF MAXIMUM ±5 PPM MAXIMUM -40°C TO +85°C -55°C TO +125°C ±5 PPM MAXIMUM 75 cm DROP TEST IN 3 AXES ONTO A HARD SURFACE OR 3000 g x 0.3 ms x ½ SINEWAVE IN 3 AXES 230°C MAXIMUM FOR 20s MAXIMUM 1 7.3 MAX 2 .287 MAX 1.8 .071 2.0 MAX .079 MAX PIN 1 5.08 .200 0 MIN 0.4 .016 1.2 .047 2.4 SOLDER PAD LAYOUT LEAD CONNECTION Scale none Dimension in mm/inch 4.0 ± 0.1 2.0 ± 0.05 .079 ± .002 .16 ± .004 30 s COOLING 16 PREHEATING 230 s MAX 100 °C .630 150 °C 7.5 .295 TEMPERATURE 3.88 .153 1.75 .069 20 s 200 °C 1.2 .047 PIN 2 1.5 DIA .06 DIA REFLOW 2 TO 5 °C/s PIN 3 CARRIER TAPE DIMENSIONS REFLOW SOLDERING PROFILE 230 °C PIN 4 1.3 1.3 .051 .051 MARKING AREA .169 MAX 3 2.6 .102 4.3 MAX 4 .094 OUTLINE DRAWING 1 TO 4 °C/s H 25 °C 4.3 ± 0.1 .170 ± .004 60 s MIN TIME (SECONDS) FREQUENCY VS. TEMPERATURE CURVE -10 0 25 60 TEMP (°C) 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 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: [email protected] Internet: http://www.raltron.com