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| reference only p. 1 / 15 product specification for reference only issued date: nov. 1, 2010 rev. : p ar t d e s c r i p t i o n : s h o c k s e n s o r m u r a t a p ar t n o . : p k g s - 00 gx p1 - r the product specification in this sheet is for reference only. the contents of this specification are subject to change. you are requested to receive the latest specification and to return one copy of the specification to us with your receipt signature before going into mass production. product engineering section sensor products department sensor products division murata mfg. co.,ltd. approved by issued by issue d date drawing no. h. kita t. kawamoto nov. 1, 2010 reference only
reference only p. 2 / 15 murata manufacturing co., ltd specifi c ation for transducer part number : pkgs - 00 gx p1 - r 1. scope this product specification is applied to surface mount able acceleration sensors used for hard disk drive in a personal computer. please contact us before using any of the products in the applications not described above. 2. part number 2 - 1 murata part number :pkgs - 00 gx p1 - r 2 - 2 customer part number : 2 - 3 customer drawing number : 3. dimensions 3 - 1 appearance : as per paragraph 10 .appearance criteria. 3 - 2 dimensions : see figure 2. 3 - 3 construction : a piezo ceramic element is st u ck between two ceramic substrate. 4. characteristics (* temperature 25 ? 3 ? c, unless o therwise noted.) parameter test conditions min. typ. max. units note 4 - 1 charge sensitivity 1khz, 98.1m/s 2 (10g) applied in the direction of d axis at fig.1 ? 2 ) (pc/g) 1 , 2, 4 4 - 2 insulation resistance : ri 10v dc, after 1 m in. 500 10000 m ? 2 (50g). range : ? ? ? ? ? ? ? ? ? 2 3. resonance frequency of inner bimorph element. 4. f = 10 - 15 reference only p. 3 / 15 murata manufacturing co., ltd figure 1. axis d : this axis is an acceleration applied direction, when electric charge sensitivit y is checked. 5. standard land pattern 6 . absolute rating apply voltage between electrode a and b : 10 vp - p within 60 sec . max. storage temperature range : - 40 to 85 ? c operating temperature range : - 40 to 85 ? c electrode b electrode a polarity marking z y x 0 ? ? d land pattern unit : mm 1.4 2.0 2.0 1.4 reference only p. 4 / 15 murata manufacturing co., ltd 7 . physical charac teristics test item condition of test performance requirements 7 - 1 mechanical shock the transducer shall be measured after being applied three impacts in plus and minus directions of three mutually perpendicular planes. the shock is specified as 29400m/s 2 (3000g) half sine pulse of 0. 3 ms duration. no visible damage and the measured values shall meet table 2 7 - 2 vibration the transducer shall be measured after being applied vibration of amplitude of 1.5 mm with 10 to 55 hz band of vibration f requency to each of 3 perpendicular directions for 2 hours. ( 5 minutes ? ? ? ? ? ? ? ? ? ? ? part stick pcb 45 45 10 20 r10 ? 5 supporter ? 1 off - center 1 unit: mm load deflection reference only p. 5 / 15 murata manufacturing co., ltd table 1 . wash cleaning solvent item alcohol (iso - propanol) water (tap water, demineralized water) cleaning water solution (cleanthrough 750h, pine alpha 100s ) silicon (techno care frw) temperature differe nce: ? t *1 [ ? t = component - solvent] ? t ? 100 ? c condition (1) ultrasonic wash 1 minute max. in above solvent at 60 ? c max. ( frequency : 28 khz, output : 20 w/l ) (2) immersion wash 5 minutes max. in above solvent at 60 ? c max. (3) shower or rinse wash 5 minutes max. in above solvent at 60 ? c max. (4) drying 1 to 5 minutes. by air blow at 80 ? c max. *1 ex. in case the component at 90 ? c immerses into cleaning solvent at 60 ? c, then ? t = 30 ? c. note(wash) 1.ple ase insure the component is thoroughly evaluated in your application circuit. 2.the component may be damaged if it is washed with alkali cleaning solvent. 3.flux should be washed out before use. reference only p. 6 / 15 murata manufacturing co., ltd 8 . environmental characteristics test item conditio n of test performance requirements 8 - 1 high temperature after being placed in a thermal chamber with at +85 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? reference only p. 7 / 15 murata manufacturing co., ltd 9. dimensions and indication figure 2. dimensions i ndication contents part number code ? ? ? ? ? ? ? ? g monthl y code ? ? ? ? ? ? ? ? monthly code based on eiaj - 0901 3.8 ? ? ? ? ? ? ? reference only p. 8 / 15 murata manufacturing co., ltd 10 . appearance criteria 10 - 1. crack, chip and partial lack of electrode ? if crack or chip exist at corners, apply the above b - part standard. ? in case crack or chip reaches i nternal cavity, it is judged as failure even if length [b] , [ d] and width [ a], [ c] are met this specification. ? if there are two or more chips on b part, total length of [d] should be < 1.2mm criteria table for a part unit [mm] 0 < b < 0.4 0.4 < b 0 < a < 1.2 g g 1.2 < a g ng criteria table for b part unit [mm ] 0 < d < 0.4 0.4 < d < 1.2 1.2 < d 0 < c < 0.4 g g g 0.4 < c < 1.2 g g ng 1.2 < c g ng ng a - part (along with long edge) b b - part (*1) (along with short edge) c d a electrode electrode for polarity marking corner (*1) any chips which is covered by electrode are judge d as good. reference only p. 9 / 15 murata manufacturing co., ltd 10 - 2. electrode peeling and delamination ? apply a - part standard to top and bottom electrode including polarity marking. ? apply b - part standard to two - end elec trode. criteria table for a part unit [mm] 0 < b < 0.4 0.4 < b < 0.85 0.85 < b 0 < a < 0.4 g g g 0.4 < a < 1.0 g g ng 1.0 < a g ng ng cr iteria table for b part unit [mm] 0 < d < 0.4 0.4 < d 0 < c < 1.0 g g 1.0 < c g ng a - part (top, bottom, polarity marking) b b - part (two - end) c d a reference only p. 10 / 15 murata manufacturing co., ltd 10 - 3. electrode protrude and bridge [a - part] ? if electrode protrude reaches opposite electrode, it should be failure. ? the same criteria are applied on the bottom electrode. criteria table for a part unit [mm] 0 < b < 0.4 0.4 < b 0 < a < 1.2 g g 1.2 < a g ng [b - part] criteria table for b part unit [mm] c < h h < c g (*1) ng (*1) in case electrode protrude reaches to polar ity marking, it should be good. [c - part] criteria table for c part unit [mm] d < m+ 1.2 m+ 1.2 reference only p. 11 / 15 murata manufacturing co., ltd 10 - 4. center layer lack ? lack of center layer which facing side surface shoul d be less than center layer thickness. ? in case center layer lack reaches internal cavity, it is judged as failure. 10 - 5. position of connection electrode ? it is judged as good regardless of the position of connection electrode unit [mm] a > 0 g 10 - 6. partition of center layer ? no judgement on center - layer partition. top view a connection electrode partition side view center layer a k a < k (center layer thickness) side view center layer center layer l ack reference only p. 1 2 / 15 murata manufacturing co., ltd 11 . taping method 11 - 1 the tape for transducer shall be would clockwise. the feeding holes shall be to the right side as the tape is pulled toward the user. 11 - 2 a reel shall contain 3 ,000 pcs of transducers and be clearly marked with part number , quantity , inspection number. figure.3 dimension of plastic tape figure.4 dimension of plastic reel 12.5 C ? ? C ? ? ? ? ? ? (1.45 ? ? 5 .5 ? 12.0 ? 4.0 ? ? ? ? ? 300mm/min. cover tape 10 ? reference only p. 13 / 15 murata manufacturing co., ltd 12 . caution (application, fail - safe) 12 - 1. application limitations this product , the pkgs type shock sensor, has been designed for hard - disk drive applications, use d in personal computers and consumer audio - vi sual equipments . please contact murata before using this product in the applications listed below, which require especially high reliability for the prevention of defects which might directly cause damage to the third party's life, body or property , or whe n this product is intended for use in applications other than those specified in this data sheet. we shall not be liable for any claims on the product in case it is used in the listed applications below, without contacting us. (1) cellular phone (2) auto motive equipment other than the above mentioned (3) outside use equipment (4) aircraft, avionics equipment (5) aerospace equipment (6) under sea equipment (7) power plant control equipment (8) medical equipment (9) transportation equipment ( vehicles , train s, ships, etc. ) (10) industrial equipment (11) traffic signal equipment (12) disaster prevention / crime prevention equipment (13) safety device / system (14) military equipment (regardless of direct/indirect use) (15) applications of similar complexity a nd/ or reliability requirements to the applications listed in the above . 12 - 2.fail - safe be sure to provide an appropriate fail - safe function on your product to prevent damage that may be caused by the abnormal function or the failure of our product. 13. caution (h andling ) 1) this product may be degraded by electrostatic discharge. we would suggest countermeasures against electrostatic discharge, before handling this product. 2) please evaluate this product in your product ; with it mounted to a printed circuit board (pcb) or similar . we recommend that this product not be repeat edly mounted on or remov ed from a pcb by soldering, because of the possibility of degradation due to excessive heating to this product or electrostatic discharge ( in case electrostatic discharge is not guarded against). 14. caution (storage condition and usage environment ) 1) maximum storage period is for 6 months under the condition of 30 c and 70%rh before pcb mounting. if this product is kept in a n espec ially high humidity environment, th e product may degrade because of decreased insulation resistance value due to such condition s . 2) please do not store and do not use this product in condition s that differ greatly from atmospheric pressure, such as a vacuum space, a high mountain, water, and so on. a p ressure cooker test is not applicable for this product. 3) please do not expose this product to dust, oil, corrosive gas, acid, or alkali. this product may be degraded if exposed. 15. caution (de sign) 1) please use a charge amplifier circuit. this specification is only valid for use with charge amplifier s . for instance, if you use a voltage amplifier circuit that is used with this product , we shall not be liable for any claims. 2) please do not apply dc bias voltage to this product, because it causes degradation of insulation resistance value. please try to keep minimizing the input bias current at front - end of amplifier circuit as well. 3) please thoroughly evaluate this product for noise immunity. nois e, coming from the product (emi) and/or generated by signal line s on pcb or other mechanical device ( like a spindle motor ), may result in the miss - operation or the non - operation of this product . 4) please thoroughly evaluate this product in terms of mechanica lly accelerated transmission system, because this product may detect unexpected acceleration that is transmitted through pcb and/or through the frame of your product. mechanical resonance on your product or individual vibration frequency of installed comp onents/devices may create mutual interference, and it may result in incorrect measurement by the sensor . reference only p. 14 / 15 murata manufacturing co., ltd 5) please do not apply excessive strain force or shock to this product that deviates from the conditions in this specification, because mechanical failur e or damage could occur. 6) please thoroughly evaluate this product in your manufacturing if you will use any conformal coating or potting process. these processes (for instance, in case resin type of material is used) could result in package break s, due to h eat shrink. also , humidity that remains inside of the case, may affect circuit operation due to decreased insulation resistance value. 7) physical and environmental characteristics for this product are described in this specification. please consider these characteristics in evaluating this part in your product. 8) please carefully design the applications housing to minimize dew and humidity . a n amplifier circuit would have high impedance, 50m ohm for instance, but this value may decrease under a high humid en vironment . d ue to this; you may not be able to see the intended performance from your circuit design, unless you consider theses factors in your product design. 9) please do not use this product in the presence of radiation rays or cosmic rays. 10) please do not use this product in the presence of high electromagnetic field s . 11) please consider the possibility of unexpected output signal - level generated by sharp temperature change . please evaluate this product under all expected environmental condition s . we recommen d a fail - safe function to compensate for any unexpected signal levels. 12) pyroelectric noise may be seen on the output signal of this product , where there is a temperature variation (delta - t) around the product. delta - t may likely occur by airflow that is ge nerated by a cooling fan that is often used in a computer. if your application requires a very small acceleration resolution , l ess than 0.1g with 50hz or less for instance, we would suggest shutting off the airflow for increased accuracy in sensor detecti on. 13) this product is very sensitive to bending stress occurring on pcb, therefore please locate the sensor in an area on the pcb that is unaffected by bending stress es . 16. caution (mounting) 16 - 1 reflow soldering 1) please use the standard fo otprint as shown in the specification. if you use a different one, we shall not be liable for any claims. 2) please follow soldering condition s described in the specification. this product can permanently stop operating if the piezoelectric characteristic i s decreased due to excessive heating. 3) please follow the recommended washing condition s, as described in the specification . 4) please make sure to evaluate the soldering condition with this product mounted on your pcb. reference only p. 15 / 15 murata manufacturing co., ltd 17. note 1) please make sure that the final product has been evaluated to all your products specifications, w ith this product mounted inside. 2) a ll the items and parameters in this product specification have been prescribed on the premise that our product is used for the purpose, under the conditions, and in the environment agreed upon between us. you are requested not to use our product deviating from this product specification . 3) we consider it inappropriate to include any terms or conditions with regard to the bus iness transactions in the products specification, drawing, or other technical document. therefore, if your technical document includes any of the above items, such as warranty clause, product liability clause, or intellectual property infringement liabili ty clause, they will be deemed to be invalid. |
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