designing and manufacturing innovative frequency control devices since 1927 502 via del monte, oceanside, ca 92054 tel: 760.433.4510 fax: 760.434.0255 monitor products company inc reserves the right to make changes to its products and product specifications without notice. no liability is assumed as a result of their use or application. 12-13-01 specifications frequency range 3.5 ~ 60.0 mhz frequency stability ! 30ppm @ 25 1 c stability vs temperature ! 50ppm from -20 1 c to 70 1 c * operating temperature range -20 1 c to 70 1 c standard * storage temperature range -55 1 c to 125 1 c drive level 1.0 mw max shunt capacitance 7.0 pf equivalent series 3.5 ~ 3.9 = 200 resistance 4.0 ~ 4.9 = 150 freq range (mhz): ? ? max 5.0 ~ 7.2 = 120 (all fundamental unless 7.3 ~ 9.9 = 80 otherwise indicated) 10.0 ~ 13.9 = 60 14.0 ~ 23.9 = 50 24.0 ~ 40.0 = 40 28.1 ~ 60.0 = 80 ( 3rd overtone) * see part numbering key for other options monitor products? ms49 and sms49 crystals greatly reduce the space required by conven- tional mm49 mounted crystals. their low height allows them to be vertically mounted between circuit boards and affords superior protection against shock and vibration. our resistance-welded packages offer excellent aging characteristics and may be used with all types of wave soldering and vapor cleaning equipment. applications m atm m networking m computers m cd roms m dvds m cameras m wireless rf m disk & tape drives m microprocessor controllers features m low profile m fundamental to 45 mhz m resistance welded m optional surface mount (sms49 only) m mm49 (hc49u) compatible m tape & reel available (1000 pcs/reel) ms49 units=mm low profile crystals ms49 m sms49 sms49 monitor products has a proven track record as a pioneer manufacturer in the frequency control market. if our extensive selection of standard and engineered crystals and oscillators does not meet your spec, we will work with you towards a customized solution.
502 via del monte, oceanside, ca 92054 tel: 760.433.4510 fax: 760.434.0255 monitor products company inc reserves the right to make changes to its products and product specifications without notice. no liability is assumed as a result of their use or application. 12-13-01 anti-resonance parallel: crystals operating at anti-resonance will look inductive in the circuit. changes of reactive values in the circuit will change the crystal frequency. if the crystal is to be used at anti-resonance, the load capacitance should always be specified. the load capacitance c l is the dynamic capacitance of the total circuit as measured across the crystal terminals. environmental performance specifications operating temp range -20 1 c to 70 1 c standard storage temp range -55 1 c to 125 1 c vibration mil-std-202f method 204, 35g, 50 to 2000 hz shock mil-std-202f method 213b test cond e, 1000g, 1/2 sine wave humidity 85% rh, 85 1 c, 48 hours hermetic seal leak rate 2 x 10 -8 atm-cm 3 /sec max solderability mil-std-202f method 208e packaging ms49 = tape (22.5mm) & reel (1000pcs/reel) or bulk (<1000pcs) sms49 = tape (24.0mm) & reel (1000pcs/reel) or bulk (<1000pcs) part numbering key ms49n1c3h35a = @ 14.318mhz sample part part numbers n s 1 c e 24.0 1 c a l = 12 pf m = 15 pf n = 20 pf* o = 32 pf q = 24 pf s = series resonant x = cust spec correlation packaging mode a = 2 lead e = tape & reel (1000pcs/reel) k = insulating spacer (ms49 only) x = cust spec frequency stability a = 1000 ppm b = 100 ppm c = 50 ppm* d = 30 ppm e = 25 ppm x = cust spec 3 3 temp range 0 = @ 25 1 c 1= - 10 1 c~60 1 c 2= 0 1 c~70 1 c 3= - 20 1 c~70 1 c* 4= - 40 1 c~70 1 5= - 40 1 c~85 1 7= - 10 1 c~70 1 9 = cust spec ms49 sms49 series ms49 (thru-hole) sms49 (smd) h35 h45 height 1 = fundamental 3 = 3rd overtone 14.318 frequency series resonance: at series resonance, the crystal looks resistive in the circuit, and correlation of frequency is not a problem. it must be specified if unit is to be manufactured at series or at a particular load capacitance. ms49 sms49 units=mm tape dimensions (1000pcs/reel standard) crystal correlation theory * standard call factory for additional options. use full descriptive part number when ordering. parts will be marked with se ries and frequency only. ms49 m sms49 ms49 h35 = 3.5 mm* sms49 h25 = 2.5 mm h30 = 3.0 mm h32 = 3.2 mm h40 = 4.0 mm h45 = 4.5 mm* sms49s1c3h45e = @ 12.0mhz
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