SURFACE MOUNT TUNING FORK CRYSTAL UNIT FEATURES SERIES RSE-32.768-12.5-H15 ULTRA SMALL PACKAGE ULTRA THIN TYPE WITH HEIGHT 1.6mm MAX SMD TYPE SUITABLE FOR AUTOMATIC & HIGH DENSITY SURFACE MOUNTING SPECIFICATIONS NOMINAL FREQUENCY 32.768 KHz / 75.000 KHz FREQUENCY TOLERANCE STANDARD ±20 PPM (±10 PPM AVAILABLE) TURNOVER TEMPERATURE ±25°C ±5°C TEMPERATURE COEFFICIENT (-3.5 ± 1.0) 10-8/ °C² LOAD CAPACITANCE 12.5 pF EQUIVALENT SERIES RESISTANCE (ESR) 55 OHMS MAXIMUM MAXIMUM EXCITATION LEVEL 1.0 µW DRIVE LEVEL 1.0 µW MAXIMUM SHUNT CAPACITANCE 0.95 pF TYPICAL AGING (FIRST YEAR) ±3 PPM MAXIMUM OPERATING TEMPERATURE RANGE -20°C TO +70°C STORAGE TEMPERATURE RANGE -40°C TO +125°C SOLDER REFLOW CONDITIONS 230°C MAXIMUM FOR 20 s MAXIMUM (TWICE) 1.55 TYP .061 TYP 1.9 B C D 2.0 ± 0.05 4.0 ± 0.1 .079 ± .002 .157 ± .004 A .75 .030 6.5 .256 .75 .030 1.5 DIA .06 DIA D C .75 .030 7.95 TYP .313 TYP mm inch 1.75 ± 0.1 Scale none Dimension in .069 ± .004 CARRIER TAPE DIMENSIONS OUTLINE DRAWINGS 4.0 ± 0.1 A .75 .030 B .60 .024 2.05 TYP .080 TYP .157 ± .004 REEL DIMENSIONS REFLOW SOLDERING PROFILE REFLOW Ø330 40° COOLING PREHEATING 150 °C 15 - 20 s 120° Ø13.0 ± 0.5 Ø.511 ± .020 2.0 ± 0.5 .079 ± .020 25 °C Ø50 MAX TEMPERATURE 230 °C 30 - 40 s Ø21.0 ± 0.8 Ø.827 ± .031 TIME (SECONDS) PART NUMBERING SYSTEM HOLDER TYPE FREQUENCY - RSE LOAD CAPACITANCE RSE-H15 Reel Dimensions - CIRCUIT TYPE 32.768 KHz TAPE & REEL 9000 PIECES PER REEL 12.5 pF H15 TR 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