Quartz Crystal Units 21SMX CUSTOM CUSTOM-DESIGNED HIGH SPEC SMD CRYSTALS CUSTOM SPECIFICATIONS Item Specifications Frequency tolerance (at +25゜ C ±3゜ C) Temperature stability (referred to +25゜ C) Temp. Stability(ppm) Actual size Actual size Ope. Temperature Range 0゜ C to 0゜ C to +45゜ C (edd) +50゜ C (eee) 0゜ C to +60゜ C (egg) 0゜ C to C to -10゜ C to -10゜ +70゜ C (eii) +50゜ C (gee) C to -10゜ C to -10゜ C to -20゜ +70゜ C (gii) C -20゜ C -30゜ C -30゜ C -30゜ C -35゜ C -40゜ C -40゜ C -40゜ C -40゜ +75゜ C (ijj) 0.00568 gm (wt.) 21SMX 2.0±0.1 #3 1.6±0.1 #2 0.4±0.1 0.7 0.65 0.65 <Top View> #4 #2 #3 0.5 0.55 #1 ±5.0 ±7.5 ±10.0 ±15.0 ±20.0 ±30.0 ±50.0 ±100.0 ±150.0 FF JJ LL OO QQ RR TT XX CC1 GG1 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ +60゜ C (ggg) ○ ○ ○ ○ +75゜ C (gjj) +70゜ C (iii) ○ to +75゜ C (kjj) to +80゜ C (kkk) to +85゜ C (kll) to +80゜ C (lkk) to +85゜ C (mll) to +90゜ C (mmm) to +105゜ C (mpp) to +125゜ C (mtt) ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ #3 #1 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ 100 Ω max. / 20.000 MHz to 24.000 MHz 80 Ω max. / 24.000 MHz to 26.000 MHz 60 Ω max. / 26.000 MHz to 40.000 MHz 50 Ω max. / 40.000 MHz to 80.000 MHz 5 pF max. 100 μW max. (10 μW for testing) ±2 ppm max. at +25゜ C ±3゜ C for first year AT-Cut / Fundamental 10 seconds max. at +250゜ C ±10゜ C #2 <#2 & #4 : Grounded to metal lid> Equivalent series resistance (ESR) SOLDERING PATTERN Shunt capacitance (C0) Drive level (P) Aging Cut / Oscillation mode Reflow condition 1.05 0.75 1.35 0.85 PART NUMBERING GUIDE AT-CUT 27.000MHz 21SMX R / TT / iii / 8 (ppm) +100 Frequency Package type Frequency tolerance +80 +60 +40 +20 0 Load capacitance (CL) Operating temperature range Temperature stability Example -20 SMI Part No. Frequency Package Frequency Tolerance Temperature Stability Operating Temperature Range Load Capacitance 27.000MHz 21SMX R/TT/iii/8 27.000 MHz 21SMX R = ±20 ppm TT = ±30 ppm iii = -20゜ C to +70゜ C CL = 8 pF -40 -60 -80 -100 -45 -30 -15 0 +15 +30 +45 +60 C) +90 (゜ +75 TYPICAL TEMPERATURE CHARACTERISTICS TAPE SPECIFICATIONS Item Lid Base Sealing Terminal ∅ 1.5 + 0 -0 .1 1.75±0.1 4.0±0.1 2.0±0.1 A C D L PACKAGE DATA Terminal plating B J M RoHS F A B C D F J L M Reel Dia. Qty/Reel 2.25 1.85 8.0 3.5 4.0 1.05 0.25 0.65 180 3000pcs (1000pcs) Package MCF ∆f/f ○ ○ ○ ○ ○ : Available (The extremes depend on actual frequencies.) 0.55 #4 ○ ○ TCXO #1 to ±3.0 OCXO #4 XTAL 21SMX 20.000 MHz to 80.000 MHz O : ±10 ppm Q : ±15 ppm R : ±20 ppm CLK OSC Package type Frequency range VCXO 21SMX 21SMX Metal Ceramic Seam Tungsten (metalized) Gold / Nickel (surface) / (under) Compliant (Pb-free) 51