36 kt12 series smd crystal clock oscillators temperature compensated features 1) miniature smd type (11.6x9.6x2.3mm) 2) frequency adjustment free after reflow soldering process 3) afc function available (option) 4) 3v/5v drive available 5) frequency stability: 2ppm at -30~+80c 6) 2000 pieces per reel 7) sold in increments of 2000 pieces how to order kt12 - d c v 33 v - 19.680m t 1 2 34567 8 9 1 type 2 terminals: blank ( )=4 terminals, a=6 terminals b=8 terminals 3 frequency stability: d=2ppm, e=2.5ppm, k=5ppm 4 lower operaing temp.: c=-30c; e=-20c, g=-10c 5 upper operating temp.: r=60c; t=70c; v=80c 6 supply voltage: 30=3.0v; 50=5.0v 7 afc function; v=with; n=without; l=with (trimmerless) 8 frequency: see table below 9 packaging: t= tape and reel parameters code specification unit remarks phs cellular supply voltage vcc 3.0v5% 3.0v5% v 5.0v5% 19.680 19.200 output frequency fout 19.200 16.800 14.400 mhz 13.000 12.800 operating temp. topr -10 ~ 60 -30 ~ 80 max. c storage temp. tstr -20 ~ 70 -40 ~ 85 c 2.5 max. 2.0 max. vs. temp. (after reflow) frequency stability ? f/fo 2.5max. ppm 0.2 max. vs. load 0.3 max. vs. voltage aging rate aging 1.0 max. ppm/year 1 year output voltage vout 1.0 min. vp-p load 10k /10pf supply current icc 2.0 max. ma trimmer control range ? f/c 3.0 min. ppm internal trimmer voltage control range ? f/v ex: 4.0 ~ 8.0 ppm 1.5v1v, 2.51v harmonics -3.0 max. dbc specifications dimensions recommended land pattern #3 pin (output) 1.40 1.40 3.68 1.60 1.60 4.60 #4 pin (v cc ) #2 pin (gnd) #4 pin (n.c. or v con ) pad no. function 1 nc or vcon 2 gnd/case gnd 3 output 4 +vcc peak: 230 5 c 15 sec. max. 180 c min. 40 sec. max. 150 10 c 50 60 sec. 60 sec. (sec.) 100 150 180 200 250 (c ) 0 recommended reflow profile (ir reflow) synchronized scope counter c1: probe capacitance (10pf) 43 12 10k 10% c1 oscillator a v power supply vcc vcon or n.c. test circuit (amplitude) test circuit (harmonics & frequency) spectrum analyzer 43 12 10k 10% 10pf 10% oscillator power supply vcc a v vcon or n.c. 11.6 0.3 freq. adj. marking 9.6 0.3 7.62 0.15 1 (7.2) 1.2 1.2 2 4 1.0 3 2.3 max. 0.7
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