RSEC

SURFACE MOUNT TUNING FORK CRYSTAL UNIT FEATURES SERIES SUITABLE FOR TIME OF DAY CLOCK APPLICATIONS LOW FREQUENCY RANGE EXCELLENT FOR AUTOMATIC AND HIGH DENSITY SURFACE MOUNTING SPECIFICATIONS NOMINAL FREQUENCY FREQUENCY TOLERANCE TURNOVER TEMPERATURE TEMPERATURE COEFFICIENT LOAD CAPACITANCE EQUIVALENT SERIES RESISTANCE (ESR) DRIVE LEVEL SHUNT CAPACITANCE AGING (FIRST YEAR) OPERATING TEMPERATURE RANGE STORAGE TEMPERATURE RANGE SHOCK RESISTANCE SOLDER REFLOW CONDITIONS 1.0 pF TYPICAL 50 K OHM MAXIMUM 32.768 KHz 24.00 TO 350.00 KHz 351.00 KHz TO 615.00 KHz ±20 PPM MAXIMUM (±50 PPM AND ±100 PPM AVAILABLE) ±25°C ±5°C ±25°C ±8°C (-0.035 ± 0.008) PPM/ ∆ °C² 6.0 TO 12.5 pF 50 K OHM MAXIMUM 1.0 µW MAXIMUM 0.95 pF TYPICAL ±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 20 s MAXIMUM 0.9 pF TYPICAL 20 K OHM MAXIMUM ±25°C ±15°C RSE A, B, C, D OUTLINE DRAWINGS 0.6 .024 1.7 .067 0.7 .028 1.6 .063 PIN 4 MARKING AREA PIN 1 9.40 .370 10.41 .410 PIN 3 PIN 4 PIN 4 PIN 3 PIN 2 PIN 1 LEAD CONNECTION “A” MARKING AREA 8.7 .343 PIN 3 4.06 .160 0.6 .024 PIN 2 2.7 .106 5.0 .197 2.7 .106 PIN 1 .148 3.7 3 1.6 .063 RSE A, B Scale none Dimension in mm inch RSE C, D PIN 4 PIN 3 PIN 2 SOLDER PAD LAYOUT 0.7 4.8 0.7 .028 .028 .189 SOLDER PAD LAYOUT PIN 1 PIN 2 LEAD CONNECTION "C" PIN 4 PIN 3 3.56 .140 PIN 4 0.51 .020 2.29 .090 0.51 .020 PIN 1 PIN 3 PIN 2 0.6 .024 0.6 .024 1.4 .055 1.4 .055 2.54 .100 2.54 .100 .099 2.5 LEAD CONNECTION “B” 5.5 .217 PIN 1 PIN 2 LEAD CONNECTION "D" REFLOW SOLDERING PROFILE 230 °C REFLOW CARRIER TAPE DIMENSIONS 1.75 .069 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 1.5 DIA .06 DIA 2.0 ± 0.05 .079 ± .002 4.0 ± 0.1 .16 ± .004 TEMPERATURE COOLING 150 °C PREHEATING 15 - 20 s 25 °C 30 - 40 s TIME (SECONDS) FREQUENCY VS. TEMPERATURE CURVE -10 0 25 60 TEMP (°C) PACKAGING 330mm REEL DIAMETER 16mm TAPE WIDTH, 8mm PITCH QUANTITY: RSE A OR B 2000 PIECES PER REEL RSE C OR D 3000 PIECES PER REEL PART NUMBERING SYSTEM -50 HOLDER TYPE RSE FREQUENCY IN KHz LOAD CAPACITANCE - CIRCUIT TYPE A B C D - 16 TAPE AND REEL 6 OR 12.5 pF TR ∆ f/fo (ppm) EXAMPLE: RSE-32.768-12.5-B-TR 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