document no. 008-0253-0 page 1 - 3 rev. g www.ctscorp.com model 405 surface mount quartz crystal features ? standard 5.0mm x 3.2mm ceramic surface mount package ? fundamental crystal design ? frequency range 6.76438 ? 50 mhz ? frequency tolerance, 30 ppm standard [other tolerances available] ? frequency stability, 50 ppm standard [other stabilities available] ? operating temperature to -40c to +85c ? stable frequency over temperature and drive level ? tape & reel packaging standard, eia-481-2 ? rohs/green compliant (6/6) applications the model 405 is a seam sealed ceramic pack aged crystal offering reduced size, ideal for high-density circuit board applications. m405 offers re liable precision and excellent shock performance suitable for wireless communications, broadband acce ss, wlan/wimax/wifi, portable equipm ent, test and measurement, pcmcia, com p uters and modems. ordering information example part numbers: 405c35a14m31818 405i35a32m00000 operating temperature range c = -20c to +70c (standard) i = -40c to +85c m 405 over operating temperature range (referenced to 25c reading) frequency tolerance @ 25c 1 = 10 ppm x = 15 ppm 2 = 20 ppm 3 = 30 ppm (standard) stability tolerance frequency in mhz m - indicates mhz and decimal point. 2 load capacitance a = 10 pf b = 13 pf c = 16 pf d = 18 pf e = 20 pf f = 24 pf g = 30 pf h = 32 pf j = 9 pf k = 8 pf l = 12 pf s = series [ex. xxmxxxxx (16m38400), xxmxxxxx (14m31818)] contact your local cts representative or cts customer service for availability. 1] only available with temperature range code "c". not all performance combinations and frequencies may be available. 1 = 10 ppm 1 x = 15 ppm 2 = 20 ppm 3 = 30 ppm 4 = 40 ppm 5 = 50 ppm (std) use form c052 to detail non-standard parameters. 2] frequency is recorded with two leading digits before the ?m? and 5 significant digits after the ?m? (including zeros).
document no. 008-0253-0 page 2 - 3 rev. g model 405 low cost quartz crystal 5.0mm x 3.2mm electrical characteristics parameter value fre q uenc y ran g e 6.76438 mhz to 50.0 mhz o p eratin g mode fundamental crystal cut at-cut 30 pp m standard [ 10 ppm, 15 ppm and 20 ppm available] fre q uenc y stabilit y tolerance -20c to +70c standard [operating temperature range, referenced to 25c reading] [ 10 ppm, 15 ppm, 20 ppm, 30 ppm and 40 ppm available] -20c to +70c -40c to +85c e q uivalent series resistance see esr table load ca p acitance or resonance mode see orderin g information 3.0 p f t yp ical 7.0 p f maximum 10 w t yp ical 100 w maximum 3 pp m/ y r t yp ical 5 pp m/ y r maximum stora g e tem p erature ran g e -55c to +125c reflow condition, per jedec j-std-020 +260c maximum, 10 seconds maximum electrical parameters frequency tolerance @ 25c operating temperature range shunt capacitance (c 0 ) drive level aging @ +25c equivalent series resistance table frequency range mode of oscillation esr maximum 6.76438 mhz - 10.999 mhz fundamental 80 ohms 11.00 mhz - 20.00 mhz fundamental 60 ohms 20.001 mhz - 50.00 mhz fundamental 50 ohms mechanical specifications package drawing notes 1. complete cts part number, frequency value and date code information must appear on reel and carton labels. 2. termination pads (e4); barrier plating is nickel (ni) with gold (au) flash plate. 3. terminations #2, #4 and metal lid are connected internally and may be connected to ground for emi suppression. 4. reflow conditions p er jedec j-std-020 , 260c maximum. xx.xxx c**yww suggested solder pad geometry marking information 1. xx.xxx ? frequency marked with 3 significant digits after the decimal. 2. c ? cts and pin 1 identifier. 3. ** - manufacturing site code. 4. yww ? date code, y ? last digit of year, ww ? week. 5. complete cts part number, frequency value and date code information must appear on reel and box labels.
document no. 008-0253-0 page 3 - 3 rev. g model 405 low cost quartz crystal 5.0mm x 3.2mm packaging information device quantity is 1,000 pieces per 180mm reel. direction of feed 3.5 5.40 12.0 8.0 4.0 dimensions in millimeters ?1.50 1.75 1.95 environmental specifications temperature cycle: 400 cycles from ?55c to +125c, 10 minut e dwell at each temperature, 1 minute transfer time between temperatures. mechanical shock: 1,500g?s, 0.5ms dura tion, ? sinewave, 3 shocks each dire ction along 3 mutually perpendicular planes (18 total shocks). sinusoidal vibration: 0.06 inches double amplitude, 10 to 55 hz and 20g?s, 55 to 2,000 hz, 3 cycles each in 3 mutually perpendicular planes (9 times total). gross leak: no leak sh all appear while immersed in an fc40 or equivalent liquid at +125c for 20 seconds. fine leak: mass spectrometer leak rates less than 2x10 -8 atm cc/sec air equivalent. resistance to solder heat: product must surviv e 3 reflows of +250c maximum, 10 seconds maximum. high temperature operating bias: 2,000 hours at +125c, disregarding frequency shift. frequency aging: 1,000 hours at +85c. insulation resistance: 500m ohms @ 100v dc 15v dc . moisture sensitivity level: level 1 per jedec j-std-020. ?23 ?180 ?60 17.5 120 ?13 2.0
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