Quartz Crystal Units 26(LF) STANDARD 32.768kHz SMD CRYSTALS STANDARD SPECIFICATIONS 26(LF) XTAL Item Symbol Part number P/N 26(LF)*2 Package Type Nominal frequency Frequency tolerance (at +25゜ C) ∆f/F Load capacitance CL CLK OSC 0.0535 gm (wt.) Equivalent series resistance VCXO ĭ PD[ SOLDERING PATTERN 1.75 2.5 TCXO 0 -20 -40 -60 -80 -100 -120 -140 OCXO -160 -40 -25 -10 +5 +20 +35 +50 +65 C) +110 (゜ +80 TYPICAL TEMPERATURE CHARACTERISTICS 1.5 + 0 0 .1 Turnover temperature Tt Temperature coefficient β C2, Typical. -0.034 ppm / ゜ Quality factor Q 50000 min. Shunt capacitance C0 1.45 pF, Typical Motional capacitance C1 0.003 pF, Typical γ 480, Typical ±5 ppm max. at +25゜ C ±3゜ C 500 MΩ min. at 100V DC ±15V Aging (for first year) ∆f/F Insulation resistance Ri XY-Cut Operating temperature range To C to +85゜ C -40゜ Storage temperature range Ts C to +125゜ C -55゜ ±10 ppm max. Shock resistance ∆f/F Vibration resistance ∆f/F IR reflow resistance ∆f/F 2.0±0.1 Package Cover 26(LF) Metal Base Glass A C D Item B J M F A B C D F J L M Reel Dia. Qty/Reel 9.7 4.0 3.5 16.0 7.5 8.0 - 0.3 2.15 330 2000pcs 1000pcs 66 Sealing ±10 ppm max. ±10 ppm max. 10 seconds max. at +250゜ C ±10゜ C Reflow condition PACKAGE DATA 1.75±0.1 ∅ 12.5 pF : 26(LF)327 (Standard) 10.0 pF : 26(LF)327-10 8.0 pF : 26(LF)327-8 50k Ω max. (To : -40゜ C to +85゜ C) 1 μW max. +25゜ C ±5゜ C ( * ) For m er l y 26ST F 327( LF ) H (* 2 ) For m er l y 2x 6( LF ) H 4.0±0.1 L A : ±15 ppm B : ±20 ppm C : ±30 ppm (Standard) D : ±50 ppm P 1 TAPE SPECIFICATIONS 32.768 kHz Drive level Cut XY-CUT (ppm) ¨II ESR Capacitance ratio 2.5 1.0 1.54 1.0 6.0 MCF F Actual size 26(LF) Specifications 26(LF)327*1 Press-fit Terminal lead Kovar Terminal lead plating Sn-90Pb RoHS Compliant