Quartz Crystal Units 32.768 kHz FAMILY STANDARD THROUGH-HOLE CRYSTALS 0.015 gm (wt.) 1.4 x 5.0 mm Actual size 0.026 gm (wt.) 2.0 x 6.0 mm Frequency tolerance (at +25゜ C) ∆f/F Load capacitance Equivalent series resistance Drive level Turnover temperature Temperature coefficient (Typical) Quality factor (Typical) Shunt capacitance (Typical) Motional capacitance (Typical) Capacitance ratio (Typical) Aging (for first year) Insulation resistance Cut Operating temperature range Storage temperature range Shock resistance* 1 Vibration resistance CL ESR P Tt β Q C0 C1 γ ∆f/F Ri Specifications 145STF327 26STF327 38STF327 1.4x5 mm 2x6 mm 3x8 mm 32.768 kHz AA : ±10 ppm A : ±15 ppm B : ±20 ppm (Standard) C : ±30 ppm 8.0 pF, Typical 12.5 pF, Typical 50k Ω max. 40k Ω max. 35k Ω max. 1 μW max. +25゜ C to ±5゜ C C2 -0.035 ppm / ゜ C2 -0.034 ppm / ゜ 60000 85000 70000 85000 0.8 pF 1.0 pF 1.3 pF 1.6 pF 0.002 pF 0.0025 pF 0.003 pF 0.0035 pF 400 400 450 460 ±3 ppm max. at +25゜ C ±3゜ C 500 MΩ min. at 100V DC ±15V XY-Cut C to +60゜ C -20゜ C to +70゜ C -20゜ C to +70゜ C -30゜ C to +85゜ C -40゜ ±5 ppm max. ±5 ppm max. To Ts ∆f/F ∆f/F CLK OSC Actual size Symbol P/N 1247STF327 1.2x4.7 mm F VCXO Item Part number Package Type Nominal frequency XTAL STANDARD SPECIFICATIONS 1.2 x 4.7 mm (*1) Shock is defined "three drops from a hight of 75cm onto hardwood." 1247STF327 145STF327 26STF327 38STF327 Cover Metal Metal Metal Metal Base Glass Glass Glass Glass Sealing Press-fit Press-fit Press-fit Press-fit Alloy (FeNiCo) Alloy (FeNiCo) Alloy (FeNiCo) Alloy (FeNiCo) RoHS 0.143 gm (wt.) XY-CUT SnCu SnCu SnCu SnCu Compliant (Pb-free) Compliant (Pb-free) Compliant (Pb-free) Compliant (Pb-free) 1.2x4.7mm 4.7 max. 2.0x6.0 mm 5.0 min. 6.0±0.2 0.3 (ppm) Φ0.26±0.05 Φ1.2 max. -40 Φ0.18 0 -20 5.0 min. Φ2.1 max. Terminal plating Actual size 0.7±0.2 Terminal lead OCXO Package Item 3.0 x 8.0 mm TCXO PACKAGE DATA Φ2.1 max. 0.05 gm (wt.) Φ1.2 max. Actual size -60 -80 +20 +35 +50 +65 +80 1.1±0.2 C) +110 (゜ Φ3.1 max. +5 TYPICAL TEMPERATURE CHARACTERISTICS Φ0.35±0.05 -10 9.8 min. Φ3.1 max. -25 3.0x8.0 mm 8.0±0.2 Φ1.5 max. -160 -40 4.0 max. 0.45 -140 5.0±0.1 Φ0.2±0.05 -120 MCF 1.4x5.0 mm -100 Φ1.5 max. ∆f/f 67