Quartz Crystal Units 124SMX STANDARD 32.768kHz SMD CRYSTALS STANDARD SPECIFICATIONS P/N 124SMX*2 Nominal frequency F Frequency tolerance (at +25゜ C) ∆f/F Load capacitance CL 0.0295 gm (wt.) 124SMX #3 #1 #2 6.7 0.1 Equivalent series resistance 1.4 max. 0.1 0.6 <Top View> #1 0.3 #4 #2 #4 #3 #1 1.05 1.2 0.3 0.55 0.55 #3 #2 <#2 & #3 : NC> SOLDERING PATTERN 0.9 0.6 6.3 1.2 Drive level P Turnover temperature Tt Temperature coefficient β C2, Typical -0.035 ppm / ゜ Quality factor Q 40000 min. Shunt capacitance C0 0.8 pF, Typical Motional capacitance C1 0.0019 pF, Typical γ Capacitance ratio (※)#2 & #3 : Open or floating XY-CUT (ppm) 0 Aging (for first year) ∆f/F 420, Typical ±3 ppm max. at +25゜ C ±3゜ C Insulation resistance Ri 500 MΩ min. at 100V DC ±15V Cut -20 -40 -60 -80 ∆f/f ESR -100 -120 -140 -160 -40 -25 -10 +5 +20 +35 +50 +65 +80 C) +110 (゜ TYPICAL TEMPERATURE CHARACTERISTICS TAPE SPECIFICATIONS 1.5 + 0 -0 .1 A C D 2.0±0.1 B J M To Storage temperature range Ts C to +85゜ C -40゜ C to +125゜ C -55゜ Shock resistance ∆f/F ±5 ppm max. Vibration resistance ∆f/F ±5 ppm max. IR reflow resistance ∆f/F ±10 ppm max. 10 seconds max. at +250゜ C ±10゜ C (2 times) ( * 1 ) N o pat t er n pat h under neath the 124SMX. ( * 2 ) T he c r y s t al m et al b ody may be v i s i bl e i ns i de the m ol d. It does not affec t the c r y s tal per for m anc e. 1.75±0.1 ∅ Operating temperature range Reflow condition 4.0±0.1 L XY-Cut PACKAGE DATA Item F A B C D F J L M Reel Dia. Qty/Reel 7.2 1.55 16.0 7.5 4.0 1.0 0.3 1.5 180 3000pcs Package Outer package 124SMX Epoxy Sealing Press-fit (1.2 x 4.7 mm built in) Terminal 42 alloy Terminal plating RoHS MCF #4 1.5max. 0.55 7.0 max. 32.768 kHz AAA : ±5 ppm AA : ±10 ppm A : ±15 ppm B : ±20 ppm C : ±30 ppm (Standard) 12.5 pF : 124M327 (Standard) 9.0 pF : 124M327-9 7.0 pF : 124M327-7(Standard) 6.0 pF : 124M327-6 4.4 pF : 124M327-4.4 3.7 pF : 124M327-3.7 65k Ω max. / To : -40゜ C to +85゜ C (Standard) 50k Ω max. / To : -40゜ C to +85゜ C (R = Option) 0.1 μW (1 μW max.) +25゜ C ±5゜ C TCXO Package Type Actual size Specifications 124M327*1 XTAL Part number CLK OSC Symbol VCXO Item OCXO 124SMX Sn Compliant 63