frequency qesm08 smd 2.5x2.0 crystal ? ceramic smd packaged specifica tio n (re v - a ) electrical characteristics ...................................................... p01 esr vs. frequency range and mode of vibration .................. p01 mechanical characteristics ................................................... p01 ordering information ............................................................. p02 suggested reflow soldering profile ...................................... p02 tape drawing ........................................................................ p03 reel drawing ........................................................................ p03
qesm08 smd 2.5x2.0 crystal ? ceramic smd packaged specifica tio n (rev -a ) j anuary 25 th , 2008 1 teme x r e se rv es th e r i g h t to mo di fy her ei n spe c i f i c a t i o n s an d in form a t i o n s a t any time w hen ne ce ssa r y to pr ov ide o p t im u m per form a n ce an d c o st. freque ncy electrical characteristi c s electrical pa rameters unit minimum ty pi c a l maximum test c onditi ons freque nc y r a nge m h z 16 60 freque nc y t o lerance (at 25 c) ppm 10 50 refer to ordering information temperature stabilit y ppm 10 50 refer to ordering information opera t ing t e mpera t ure rang e c -20/ +70 -40/+85 refer to ordering information storag e tem p erature ran g e c -40 +85 shunt cap ac itance c 0 pf 3.0 load cap acitance pf 8pf ~ 1 2pf refer to ordering information drive level w 50 100 aging (firs t year) ppm 2 ref at 25 c insulator re s i stanc e m ? 500 at 100v dc custom ized specification upon request esr vs. frequency range a nd mode of vibration mechanical characteri stics marking for qesm08 line 1 te me x c ode (3 digits ) line 2 t+da te c ode ( 2 digits ) fre que ncy range (mhz) mode of v i bration max esr ( ? ) 16.000 to 19.999 fun da me nta l ( a t-c u t) 120 20.000 to 29.999 fun da me nta l ( a t-c u t) 80 30.000 to 60.000 fun da me nta l ( a t-c u t) 50 h = 0.55 max me c h a n ic a l condi tio n s vibra t ion 10g , 10hz to 2khz acco rd in g to stan d a rd cei 68-2-6 3 sh o cks 100g , 6ms acc o r d i n g to stan d a rd cei 68-2- 27 not e 1 : pin 2 and pin 4 a r e con n e c ted through cover. in ca se con n e c ted to gnd, freque ncy might be drift ed. not e 2 : qes m 08 is fully rohs c o mpliant.
qesm08 smd 2.5x2.0 crystal ? ceramic smd packaged specifica tio n (rev -a ) j anuary 25 th , 2008 2 teme x r e se rv es th e r i g h t to mo di fy her ei n spe c i f i c a t i o n s an d in form a t i o n s a t any time w hen ne ce ssa r y to pr ov ide o p t im u m per form a n ce an d c o st. freque ncy ordering information part n u m b e rin g system qesm08 1 10 hq 10 10 26.0000mhz pack ag e t y p e vibra t ion mode fre que ncy to leran ce op eratin g temp er atu r e ra nge fre que ncy stability loa d cap acitan c e nominal fre que ncy (mhz) smd pack ag e qesm08 : smd ceramic 2.5 x 2.0 1= f undam enta l 10= 50=50ppm 50=50ppm
qesm08 smd 2.5x2.0 crystal ? ceramic smd packaged specifica tio n (rev -a ) j anuary 25 th , 2008 3 teme x r e se rv es th e r i g h t to mo di fy her ei n spe c i f i c a t i o n s an d in form a t i o n s a t any time w hen ne ce ssa r y to pr ov ide o p t im u m per form a n ce an d c o st. freque ncy item code dimension toleranc e pitc h of c o mp one nts p 4.0 0.1 pitc h of s p roc k e t hole po 4.0 0.1 le ngth from h o le c e n te r to c o mpone nt c e nte r p1 2.0 0.1 widt h of c a rri e r ta pe w 8.0 0.3 widt h of a dhe s i v e ta pe w0 3.5 0.1 he ight of c o m pone nt ho le a 2.8 0.1 widt h of c o mpone nt ho le b 2.3 0.1 ga p of hol d d o w n ta pe a n d c a r rie r ta pe w2 0.5 0.1 diamet er o f sp ro cket h o l e do ? ?
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