Quartz Crystal Units 155SMX STANDARD 32.768 kHz SMD CRYSTALS 155SMX STANDARD SPECIFICATIONS XTAL Item Symbol P/N Part number Package type F Nominal frequency Frequency tolerance at ＋25˚C Δf/F Actual Size 7.95±0.05 #2 2.05±0.05 155SMX Load capacitance 6.5 0.75 #1 #3 #2 #2 #3 0.75 0.6 0.75 0.75 #1 #1 <Top View> XY-CUT Temperature(゜ C) -20 -10 0 +10 +20 +30 +40 +50 +60 +70 +80 ppm 0 -10 -20 -30 -40 △f/f -50 -60 -70 -80 TYPICAL TEMPERATURE CHARACTERISTICS SOLDERING PATTERN 6.4 0.85 0.6 2.2 0.6 0.85 0.85 0.5 0.85 （※）#3 to be floating or open. 4.0±0.1 A D φ1.5 +-0.1 0 C 1.75±0.1 2.0±0.1 J B M A B C D F J Item Package 155SMX Outer Package Silicon mold Sealing Press-fit (1.5×5mm built-in) Terminal Phosphor bronze Terminal plating Gold / Nickel (surface) / (under) RoHS Compliant F L M Reel Dia. Qty/Reel 8.2 3.2/2.2 16.0 7.5 4.0 - 0.3 1.8 68 ESR Equivalent series resistance P Drive level Tt Turnover temperature β Temperature coefficient Q Quality factor Co Shunt capacitance C1 Motional capacitance γ Capacitance ratio Aging (for first year) Δf/F Insulation resistance Ri Cut Operating temperature range To Storage temperature range Ts Shock resistance Δf/F Vibration resistance Δf/F IR reflow resistance Δf/F Reflow condition （※）No pattern path underneath the 155SMX 155M327 155SMX 32.768 kHz AA : ±10 ppm A : ±15 ppm B : ±20 ppm C : ±30 ppm standard D : ±50 ppm 12.5 pF : 155M327 7.0 pF : 155M327-7 55 kΩ max. 0.1μW (1.0μW max.) ＋25˚C ±5˚C -0.035 ppm/˚C2, Typical 50000, Typical 0.95 pF, Typical 0.0022 pF, Typical 430, Typical ±3 ppm max. at ＋25˚C ±3˚C 500MΩmin. at 100V DC ±15V XY-Cut -40˚C to ＋85˚C -55˚C to ＋125˚C ±5 ppm max. ±5 ppm max. ±5 ppm max. 10 seconds max. at ＋250˚C±10˚C (2 times) PACKAGE DATA TAPE SPECIFICATIONS L CL 1.55±0.05 #3 Specifications 330 3000pcs