raltron electronics corporation 10651 nw 19th st. miami, florida 33172 u.s.a. tel: 305-593-6033 fax: 305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com frequency range 100.00 khz to 300.00 mhz holder types a: hc-49/u 1.00 mhz to 300.00 mhz b: hc-51/u 100.00 khz to 4.00 mhz c: um-1 8.00 mhz to 300.00 mhz frequency tolerance at 25 c 30 ppm typical 50 ppm maximum frequency stability over temperature 50 ppm typical 100 ppm maximum operating temperature range -20 c to +70 c standard -40 c to +85 c extended storage temperature range -55 c to +125 c aging 5 ppm per year maximum load capacitance 10 to 32 pf 0r series shunt capacitance 7 pf maximum equivalent series resistance (esr) see page 11 drive level 0.1 mw typical 1 mw maximum shock resistance 5 ppm maximum 75 cm drop test in 3 axes onto a hard surface or 1000 g?s x 0.5 ms x ? sinewave in 3 axes microprocessor crystal units holder type fundamental (fund) third overtone (3ot) fifth overtone (5ot) seventh overtone (7ot) ninth overtone (9ot) type a: hc-49/u 1.00 mhz to 65.00 mhz 20.00 mhz to 90.00 mhz 60.00 mhz to 130.00 mhz 125.00 mhz to 200.00 mhz 180.00 mhz to 300.00 mhz type b: hc-51/u 100.00 khz to 4.00 mhz type c: um-1 8.00 mhz to 65.00 mhz 25.00 mhz to 90.00 mhz 60.00 mhz to 130.00 mhz 125.00 mhz to 200.00 mhz 180.00 mhz to 300.00 mhz series a, b, c hc-49/u, hc-51/u, and um-1 example: a-4.000-s a-3.579545-18-ext-3pin-sp-sl-tr c-65.000-s-30t features specifications frequency range and mode of oscillation by holder type part numbering system excellent clock signal generator for cpu ? s wide frequency range industry standard packages holder type - frequency - load capacitance - mode - extended temperature a b c hc-49/u hc-51/u um-1 in mhz 10 to 32pf for parallel s for series fund 3ot 5ot 7ot 9ot fundamental third overtone fifth overtone seventh overtone ninth overtone ext mechanical options - tape and reel three pin base - third lead (top of housing) - spacer - sleeve t r 3pin 3rd sp sl ? fundamental mode not needed in part number
raltron electronics corporation 10651 nw 19th st. miami, florida 33172 u.s.a. tel: 305-593-6033 fax: 305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com outline drawings for microprocessor crystals type a (hc-49/u) third lead option: 3rd plastic sleeve option: sl 3 lead base option: 3pin plastic spacer option: sp package options type c (um-1) type b (hc-51/u) 13.49 max .531 m a x .472 min 12.00 min .017 dia 0.43 dia .192 4.88 .435 max 11.05 max .183 max 4.65 max .776 m ax 19.70 m ax .787 min 20.0 min .030 dia 0.76 dia .486 12.34 .757 max 19.23 max .352 max 8.94 max .315 max 8.00 max .472 min 12.00 min .014 dia 0.35 dia .311 max 7.90 max .130 max 3.30 max .148 3.76 sleeving .017 dia 0.43 dia .192 4.88 transparent plastic sleeving .435 max 11.05 max .531 max 13.49 max .472 min 12.00 min .187 max 4.75 max transparent plastic .017 dia 0.43 dia .192 4.88 .096 2.44 .435 max 11.05 max 13.5 max .787 min 20.0 min .183 max 4.65 max .530 max 3 x .018 dia 3 x 0.46 dia .192 4.88 .420 10.66 .180 4.57 0.5 m ax .02 m ax 2.44 .192
raltron electronics corporation 10651 nw 19th st. miami, florida 33172 u.s.a. tel: 305-593-6033 fax: 305-594-3973 e-mail: sales@raltron.com internet: http://www.raltron.com esr characteristics and tape and reel dimensions carrier tape dimensions equivalent series resistance versus frequency and package hc-49/u only packaging 370 mm reel diameter, 18 mm tape width, 12.7 mm pitch, quantity 1000 pieces per reel hc-51/u "b" hc-49/u "a" um-1 "c" "b" "a" "c" hc-51/u "b" hc-49/u "a" um-1 "c" "b" "a" "c" 1.000 b a 700 700 11.059 a c 25 50 1.843 b a 600 700 12.000 a c 25 40 2.000 b a 500 500 12.288 a c 25 40 2.097152 b a 500 500 13.5168 a c 25 40 2.4576 b a 400 400 14.31818 a c 25 35 3.000 b a 150 200 14.7456 a c 25 35 3.2768 b a 150 180 15.000 a c 25 35 3.579545 b a 120 180 16.000 a c 25 30 3.600 b a 100 160 16.384 a c 25 35 3.6864 b a 100 140 17.360 a c 25 30 4.000 b a 50 80 18.000 a c 20 25 4.096 a 80 18.432 a c 20 30 4.194304 a 80 19.354 a c 20 30 4.433619 a 80 19.6608 a c 20 30 4.9152 a 60 20.000 a c 20 30 5.000 a 60 22.1184 a c 20 25 5.0688 a 60 23.400 a c 20 25 5.185 a 60 24.000 a c 20 25 5.7143 a 50 24.576 a c 30 25 5.9904 a 50 25.000 a c 30 20 6.000 a 50 27.000 a c 30 20 6.144 a 40 30.000 a c 30 20 6.400 a 40 32.000 a c 30 60 6.5536 a 40 36.000 a c 30 60 7.000 a 30 40.000 a c 30 50 7.15909 a 30 48.000 a c 30 50 7.3728 a 30 60.000 a c 30 40 8.000 a 30 70.000 a c 30 40 9.216 a 30 80.000 a c 30 40 9.8304 a 30 90.000 a c 40 40 10.000 a c 25 50 100.000 a c 40 100 10.738635 a c 25 50 150.000 a c 50 70 11.000 a c 25 50 200.000 a c 100 120 11.050 a c 25 50 300.000 a c 150 180 frequency mhz frequency mhz holder type esr holder type esr
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