Part Number Hot Search : 
STUB511 39162 BD9897FS MAX4436 64JFP WM8200 C330K 1N476
Product Description
Full Text Search
 

To Download NE552R479A-T1A-A Datasheet File

  If you can't view the Datasheet, Please click here to try to view without PDF Reader .  
 
 


  Datasheet File OCR Text:
  nec' s 3.0 v, 0.25 w l&s-band medium power silicon ld-mosfet features ? low cost plastic surface mount package ? high output power: +26 dbm typ at v ds = 3.0 v ? high linear gain: 11 db typ @ 2.45 ghz ? single supply: 2.8 to 6 v ? surface mount package: 5.7 x 5.7 x 1.1 mm max ne552r479a outline dimensions (units in mm) package outline 79a notes: 1. dc performance is tested 100%. several samples per wafer are tested for rf performance. w afer rejection criteria for standard devices is 1 reject for several samples. electrical characteristics (t a = 25c) part number ne552r479a package outline 79a symbols characteristics units min typ max test conditions p out output power dbm 24.0 26.0 g l linear gain db 11.0 add power added ef?ciency % 35 45 i d drain current a 230 i gss gate-to-source leakage current na 100 v gs = 5.0 v i dss saturated drain current na 100 v ds = 6.0 v (zero gate voltage drain voltage) v th gate threshold voltage v 1 1.4 1.9 v ds = 3.5 v, i ds = 1 ma g m transconductance s 0.4 v ds = 3.5 v, i ds = 100 ma bv dss drain-to-source breakdown voltage v 15 18 i dss = 10 a r th thermal resistance c/w 10 channel-to-case functional characteristics electrical dc characteristics f = 2.45 ghz, v ds = 3.0 v, i dsq = 200 ma (rf off) p in = 19 dbm, except pin = 10 dbm for linear gain description nec's ne552r479a is an n-channel silicon power laterally diffused mosfet specially designed as the transmission power ampli?er for mobile and ?xed wireless applications. die are manufactured using nec's newmos2 technology (nec's 0.6 m wsi gate lateral mosfet) and housed in a surface mount package. ? digital cellular phones: 3.0 v gsm1900 pre driver ? analog cellular phones: 2.4 v amps handsets ? others: w-lan short range wireless retail business radio special mobile radio applications california eastern laboratories 0.90.2 0.20.1 (bottom view) 3.60.2 1.50.2 1.2 max. 0.8 max. 1.0 max. source gate drain 0.40.15 5.7 max. 5.7 max. 0.60.15 0.80.15 4.4 max. 4.2 max. source gate drain a w 0 x 0 0 1
absolute maximum ratings 1 (t a = 25 c) symbols parameters units ratings v ds drain supply voltage v 15.0 v gs gate supply voltage v 5.0 i ds drain current ma 300 i ds drain current (pulse test) 2 ma 600 p t total power dissipation w 10 t ch channel temperature c 125 t stg storage temperature c -55 to +125 recommended operating limits symbols parameters units typ max v ds drain to source voltage v 3.0 6.0 v gs gate supply voltage v 2.0 3.0 i ds drain current 1 ma 200 500 p in input power 2 dbm 19 25 notes: 1. operation in excess of any one of these parameters may result in permanent damage. 2. duty cycle 50%, ton 1 s. ne552r479a drain current, i d (a) typical performance curves (t a = 25c) total power dissipation, p d (w) drain current vs. drain voltage drain voltage, v d (v) total power dissipation vs. case temperature case temperature, t c (c) 25 20 15 10 5 0 150 100 50 75 0 2 5 r th = 10 c/w 125 10.0 0.00 2.0 4 .0 6.0 8 .0 0.0 0. 6 0. 4 0. 2 1.0 0. 8 3.75 1.75 2.20 2.25 2.50 2.75 3.00 3.25 3.50 gate v oltage (v ) notes: 1. duty cycle 50%, ton 1 s. 2. f = 2.45 ghz, v ds = 3.0 v . part number qty NE552R479A-T1A-A ? 12 mm wide embossed taping. ? gate pin faces the perforation side of the tape. ? 5 kpcs/reel ordering information frequency (ghz) z in ( ) z ol ( ) 1 2.45 2.96 ? j7.78 3.36 ? j8.42 note: 1. z ol is the conjugate of optimum load impedance at given voltage, idling current, input power and frequency. large signal impedance (v ds = 3.0 v, i d = 200 ma, f = 2.45 ghz, p out = 400 mw)
output power, p out (dbm) typical performance curves (t a = 25c) output power, drain current efficiency vs. gate to source voltage gate to source voltage, v gs (v) ne552r479a drain ef?ciency, d (%) power added ef?ciency, add (%) output power, p out (dbm) output power, drain current efficiency vs. input power input power,p in (dbm) imd,(dbc) imd vs. two tone output power average two tone output power, p out (dbm) drain ef?ciency, d (%) power added ef?ciency, add (%) output power, p out (dbm) output power, drain current efficiency vs. input power input power,p in (dbm) drain ef?ciency, d (%) power added ef?ciency, add (%) output power, p out (dbm) output power, drain current efficiency vs. gate to source voltage gate to source voltage, v gs (v) drain ef?ciency, d (%) power added ef?ciency, add (%) 0 25 50 75 10 0 1250 p out i ds d 1000 750 50 0 25 0 0 5 10 15 20 25 0 30 25 20 15 10 5 i ds (ma) a dd frequency = 2.45 ghz v ds = 3.0 v i dq = 100 ma 0 25 50 75 10 0 1250 p out i ds d a dd 1000 750 50 0 25 0 0 1 2 3 4 0 30 25 20 15 10 5 frequency = 2.45 ghz v ds = 3.0 v p in = 19 db m i ds (ma) 0 25 50 75 10 0 1250 p out i ds d 1000 750 50 0 25 0 0 5 10 15 20 25 0 30 25 20 15 10 5 i ds (ma) a dd frequency = 2.45 ghz v ds = 3.0 v i dq = 200 ma im 3 im 5 10 15 20 25 30 5 -10 -2 0 -3 0 -4 0 -5 0 -7 0 -6 0 frequency = 2.45 ghz ? frequency = 1 mhz v ds = 3.0 v i dq = 200 ma 0 25 50 75 10 0 1250 p out i ds d a dd 1000 750 50 0 25 0 0 5 1 0 15 20 25 0 30 25 20 15 10 5 i ds (ma) frequency = 2.0 ghz v ds = 3.0 v i dq = 150 ma 0 25 50 75 10 0 1250 p out i ds d a dd 1000 750 50 0 25 0 0 1 2 3 4 0 30 25 20 15 10 5 frequency = 2.0 ghz v ds = 3.0 v p in = 19 dbm i ds (ma) output power, p out (dbm) output power, drain current efficiency vs. input power input power,p in (dbm) drain ef?ciency, d (%) power added ef?ciency, add (%)
ne552r479a typical scattering parameters (t a = 25c) coordinates in ohms frequency in ghz v d = 2.4 v, i d = 50 ma note: this ?le and many other s-parameter ?les can be downloaded from www.cel.com mag = maximum available gain msg = maximum stable gain note: 1. gain calculation: j50 j25 j10 0 10 25 -j10 -j25 -j50 -j10 0 j100 0 50 10 0 s 22 s 11 frequency s 11 s 21 s 12 s 22 k mag 1 ghz mag ang mag ang mag ang mag ang (db) 0.10 0.877 - 70.3 13.863 135.4 0.042 46.6 0.452 -104.4 0.05 25.15 0.20 0.806 -108.8 9.339 111.6 0.057 23.4 0.569 -132.8 0.05 22.13 0.30 0.775 -129.7 6.708 97.4 0.061 9.6 0.614 -145.1 0.07 20.43 0.40 0.764 -142.5 5.130 87.2 0.062 0.6 0.641 -151.6 0.09 19.17 0.50 0.760 -151.0 4.102 79.2 0.061 - 7.0 0.663 -155.4 0.12 18.24 0.60 0.765 -157.3 3.378 72.3 0.060 - 13.0 0.681 -158.2 0.14 17.49 0.70 0.771 -162.3 2.846 66.1 0.059 - 18.2 0.699 -160.3 0.17 16.85 0.80 0.781 -166.4 2.437 60.6 0.057 - 23.0 0.717 -161.9 0.20 16.32 0.90 0.792 -170.0 2.113 55.5 0.055 - 27.3 0.734 -163.4 0.22 15.86 1.00 0.805 -173.2 1.854 50.6 0.053 - 31.4 0.751 -164.8 0.23 15.46 1.10 0.816 -176.0 1.644 46.2 0.051 - 34.8 0.770 -166.0 0.23 15.11 1.20 0.829 -178.7 1.458 41.7 0.048 - 38.5 0.781 -167.7 0.27 14.80 1.30 0.838 178.6 1.304 37.5 0.046 - 41.8 0.793 -169.1 0.31 14.53 1.40 0.848 176.4 1.172 33.7 0.044 - 44.9 0.806 -170.4 0.33 14.29 1.50 0.855 174.2 1.057 30.0 0.041 - 47.6 0.818 -171.7 0.38 14.07 1.60 0.861 172.2 0.958 26.5 0.039 - 50.3 0.830 -173.1 0.43 13.89 1.70 0.866 170.3 0.871 23.3 0.037 - 52.4 0.841 -174.5 0.49 13.72 1.80 0.872 168.5 0.795 20.3 0.035 - 54.4 0.851 -175.9 0.56 13.61 1.90 0.877 166.8 0.729 17.3 0.033 - 56.7 0.861 -177.4 0.61 13.49 2.00 0.883 165.2 0.671 14.6 0.031 - 58.7 0.870 -178.8 0.65 13.39 2.10 0.889 163.8 0.619 11.9 0.029 - 60.2 0.878 179.7 0.68 13.29 2.20 0.895 162.3 0.572 9.3 0.027 - 62.1 0.885 178.2 0.74 13.22 2.30 0.901 161.1 0.531 6.9 0.026 - 63.8 0.892 176.8 0.76 13.14 2.40 0.905 159.8 0.493 4.5 0.024 - 65.6 0.898 175.2 0.82 13.07 2.50 0.909 158.8 0.459 2.2 0.023 - 67.3 0.903 173.8 0.89 13.05 2.60 0.909 157.8 0.427 0.1 0.021 - 68.8 0.909 172.3 1.02 12.11 2.70 0.911 157.0 0.399 - 1.9 0.019 - 71.4 0.914 170.8 1.19 10.52 2.80 0.910 156.3 0.373 - 3.8 0.018 - 74.0 0.919 169.1 1.41 9.38 2.90 0.912 155.7 0.350 - 5.5 0.016 - 74.2 0.924 167.5 1.55 8.93 3.00 0.912 155.1 0.329 - 7.2 0.015 - 74.8 0.927 166.0 1.82 8.26 3.10 0.915 154.8 0.311 - 8.8 0.014 - 75.5 0.932 164.4 1.90 8.13 3.20 0.916 154.2 0.294 - 10.4 0.012 - 77.4 0.935 162.9 2.19 7.63 3.30 0.919 153.8 0.278 - 11.9 0.011 - 77.8 0.939 161.3 2.41 7.39 3.40 0.920 153.4 0.263 - 13.4 0.010 - 79.9 0.943 159.6 2.77 7.11 3.50 0.922 153.1 0.251 - 14.8 0.008 - 80.8 0.948 157.9 3.15 6.98 3.60 0.923 153.0 0.239 - 16.1 0.007 - 78.5 0.951 156.1 3.72 6.76 3.70 0.924 153.0 0.228 - 17.4 0.006 - 75.4 0.953 154.1 4.29 6.58 3.80 0.924 153.1 0.217 - 18.7 0.005 - 73.6 0.957 152.1 4.86 6.47 3.90 0.925 153.5 0.208 - 19.9 0.004 - 70.4 0.960 149.6 6.62 6.36 4.00 0.925 154.1 0.200 - 21.2 0.003 - 50.4 0.961 146.8 9.58 5.98 ne552r479a v d = 2.4 v, i d = 50 ma s 21 s 12 120? 90 ? 60? 30 ? 150 ? 180? -150? -120? -90? -60? -30? 0?
frequency s 11 s 21 s 12 s 22 k mag 1 ghz mag ang mag ang mag ang mag ang (db) 0.10 0.881 - 80.4 17.975 132.9 0.030 44.0 0.490 -134.7 0.06 27.71 0.20 0.833 -119.4 11.643 110.6 0.039 22.1 0.623 -151.5 0.06 24.72 0.30 0.813 -139.1 8.264 98.2 0.042 10.8 0.666 -159.4 0.08 22.98 0.40 0.805 -151.0 6.317 89.6 0.042 3.3 0.689 -163.6 0.11 21.78 0.50 0.800 -158.9 5.073 82.9 0.042 - 1.9 0.704 -166.2 0.14 20.83 0.60 0.801 -164.7 4.206 77.2 0.042 - 6.9 0.714 -168.1 0.17 20.04 0.70 0.802 -169.3 3.577 72.1 0.041 - 10.8 0.725 -169.4 0.21 19.42 0.80 0.807 -173.1 3.093 67.4 0.040 - 14.2 0.735 -170.5 0.24 18.89 0.90 0.812 -176.3 2.711 63.1 0.039 - 17.7 0.744 -171.5 0.26 18.42 1.00 0.820 -179.2 2.405 58.9 0.038 - 20.7 0.754 -172.3 0.28 18.03 1.10 0.827 178.4 2.158 55.1 0.037 - 23.6 0.767 -173.0 0.29 17.66 1.20 0.836 175.9 1.936 51.1 0.036 - 26.4 0.773 -174.2 0.32 17.37 1.30 0.840 173.6 1.752 47.4 0.034 - 28.9 0.781 -175.1 0.37 17.06 1.40 0.847 171.8 1.592 43.9 0.033 - 30.9 0.790 -176.0 0.41 16.86 1.50 0.851 169.8 1.452 40.4 0.032 - 33.7 0.799 -176.9 0.45 16.63 1.60 0.854 168.1 1.331 37.3 0.030 - 35.5 0.808 -177.8 0.51 16.44 1.70 0.857 166.4 1.223 34.2 0.029 - 37.3 0.817 -178.8 0.58 16.28 1.80 0.861 164.9 1.127 31.3 0.027 - 39.0 0.824 -179.9 0.66 16.15 1.90 0.865 163.5 1.044 28.4 0.026 - 40.7 0.833 178.9 0.69 15.97 2.00 0.870 162.1 0.969 25.8 0.025 - 41.6 0.841 177.8 0.76 15.91 2.10 0.875 160.9 0.902 23.1 0.024 - 43.3 0.849 176.7 0.81 15.82 2.20 0.880 159.6 0.841 20.5 0.023 - 44.3 0.855 175.5 0.85 15.69 2.30 0.885 158.5 0.786 18.0 0.022 - 45.3 0.862 174.2 0.88 15.62 2.40 0.889 157.5 0.736 15.6 0.020 - 46.9 0.869 172.9 0.96 15.60 2.50 0.892 156.6 0.689 13.3 0.019 - 48.5 0.875 171.6 1.03 14.40 2.60 0.893 155.7 0.646 11.0 0.018 - 49.6 0.881 170.3 1.17 13.05 2.70 0.895 155.0 0.607 9.0 0.017 - 50.5 0.886 169.0 1.32 12.20 2.80 0.894 154.5 0.571 6.9 0.015 - 53.1 0.891 167.5 1.61 11.19 2.90 0.895 153.9 0.540 5.0 0.014 - 52.4 0.897 166.1 1.81 10.71 3.00 0.896 153.5 0.511 3.2 0.013 - 50.3 0.902 164.7 2.08 10.17 3.10 0.899 153.2 0.485 1.5 0.012 - 50.7 0.907 163.2 2.11 10.09 3.20 0.900 152.8 0.460 - 0.3 0.011 - 51.9 0.911 161.7 2.44 9.58 3.30 0.903 152.4 0.438 - 1.9 0.010 - 49.9 0.915 160.3 2.77 9.33 3.40 0.904 152.0 0.417 - 3.6 0.009 - 47.2 0.920 158.7 3.09 9.09 3.50 0.906 151.9 0.398 - 5.1 0.008 - 44.6 0.925 157.0 3.35 8.98 3.60 0.907 151.8 0.381 - 6.7 0.007 - 38.1 0.928 155.3 3.93 8.65 3.70 0.909 151.8 0.365 - 8.3 0.006 - 33.2 0.932 153.4 4.17 8.53 3.80 0.908 152.1 0.350 - 9.7 0.005 - 26.9 0.936 151.5 4.98 8.21 3.90 0.910 152.5 0.337 - 11.2 0.005 - 15.3 0.940 149.0 4.88 8.20 4.00 0.910 153.1 0.325 - 12.8 0.005 - 4.5 0.941 146.3 4.94 7.84 ne552r479a v d = 3.5 v, i d = 200 ma ne552r479a typical scattering parameters (t a = 25c) coordinates in ohms frequency in ghz v d = 3.5 v, i d = 200 ma note: this ?le and many other s-parameter ?les can be downloaded from www.cel.com mag = maximum available gain msg = maximum stable gain note: 1. gain calculation: j50 j25 j10 0 10 25 -j10 -j25 -j50 -j10 0 j100 0 50 10 0 s 22 s 11 s 21 s 12 120? 90 ? 60? 30 ? 150 ? 180? -150? -120? -90? -60? -30? 0?
ne552r479a application circuit (2.40-2.48 ghz) p.c.b. layout (units in mm) 79a package 4.0 1.7 6.1 0.5 0.5 source drain gate 5.9 1.2 1.0 0.5 through hole 0.2 33 note: use rosin or other material to prevent solder from penetrating through-holes. j1 c6 c4 c14 c7 rf input +v g j3 c5 ne552r479a r1 c13 c11 c9 c3 c2 c8 c10 c1 j2 rf outpu t c12 +vd j4 1 600s3r3cw c14 0603 3.3 pf cap atc 17 1 tf-100637 test circuit blk 15 4 2-56 x 3/16 phillips pan head 14 2 mch185a101jk c2,c3 0603 100pf cap rohm 13 1 mcr03j200 r1 0603 20 ohm resistor rohm 12 2 600s2r7bw c4,c7 0603 2.7pf cap atc 11 2 600s5r6cw c1,c5 0603 5.6pf cap atc 10 1 600s1r5cw c6 0805 1.5pf cap atc 9 2 tajb475k010r c12, c13 case b 4.7 uf cap avx 8 2 mch215f104zp c10, c11 0805 .1uf cap rohm 7 2 0805cg102j9bb04 c8, c9 0805 1000 pf cap phil 6 1 ne552r479a u1 ic nec 5 1 703401 p1 ground lug concord 4 1 1250-003 j3, j4 feedthru murata 3 2 2052-5636-02 j1, j2 flange mount jack receptacle 2 1 fd-500855b pcb s-band module fabrication drawing 1 ne552r479a parts list j3 j4 p1 gnd +v g +v d rf in rf out c14 c7 tab er=4. 2 t=0.028 in ou 500855b c13 c12 c10 c8 c2 c3 c9 c11 c1 j 2 j1 r1 u1 c4 c5 c6 a w 0x001
ne552r479a typical application circuit performance (t a = 25c) output power, p out (dbm) output power vs. input power input power, p in (dbm) im3 vs. output power output power, p out (dbm), each tone 8 10 1 2 34 f = 2.44 ghz 32 30 28 26 24 22 20 18 14 16 18 20 22 24 3.6 v , 100ma 3.6 v , 300ma 5 v , 100ma 5 v , 300ma 8 v , 100ma 8 v , 300ma im3 (dbc) 6 8 10 -1 5 -10 -2 0 -2 5 -3 0 -3 5 -4 0 -4 5 -5 0 -6 0 -55 12 14 16 18 20 22 24 26 3.6 v, 100ma 3.6 v, 300ma 5 v, 100ma 5 v, 300ma 8 v, 100ma 8 v, 300ma f = 2.44 ghz
life support applications these nec products are not intended for use in life support devices, appliances, or systems where the malfunction of these prod ucts can reasonably be expected to result in personal injury. the customers of cel using or selling these products for use in such applications do so at their own risk and agree to fully indemnify cel for all damages resulting from such improper use or sale. a business partner of nec co m p ound semiconductor devices, ltd . 08/11/2003 recommended soldering conditions this product should be soldered and mounted under the following recommended conditions. for soldering methods and conditions other than those recommended below, contact your nearby sales of?ce. ne552r479a soldering method soldering conditions condition symbol infrared re?ow peak temperature (package surface temperature) : 260 c or below time at peak temperature : 10 seconds or less time at temperature of 220 c or higher : 60 seconds or less preheating time at 120 to 180 c : 120 30 seconds maximum number of re?ow processes : 3 times maximum chlorine content of rosin ?ux (% mass) : 0.2%(wt.) or below ir260 vps peak temperature (package surface temperature) : 215 c or below time at temperature of 200 c or higher : 25 to 40 seconds preheating time at 120 to 150 c : 30 to 60 seconds maximum number of re?ow processes : 3 times maximum chlorine content of rosin ?ux (% mass) : 0.2%(wt.) or below vp215 wave soldering peak temperature (molten solder temperature) : 260 c or below time at peak temperature : 10 seconds or less preheating temperature (package surface temperature) : 120 c or below maximum number of ?ow processes : 1 time maximum chlorine content of rosin ?ux (% mass) : 0.2%(wt.) or below ws260 partial heating peak temperature (pin temperature) : 350 c or below soldering time (per pin of device) : 3 seconds or less maximum chlorine content of rosin ?ux (% mass) : 0.2%(wt.) or below hs350-p3 caution do not use different soldering methods together (except for partial heating).
4590 p a t r ick he n r y drive sa n t a c l ara , c a 950 5 4 - 18 1 7 telep h o n e : ( 408 ) 919 - 2 5 0 0 facsi m ile : ( 40 8 ) 988 - 02 7 9 subject : compliance with eu dir e ctive s cel certifies, to its kn o w ledge, that semicond u ctor and laser products detailed below are compliant with the requirements of european union (eu) directive 2002/95/ec restriction o n use of hazardous substance s in electrical and electro n ic equipmen t (rohs) a n d the requi r e ments of eu directive 2003/11/ec restriction o n penta and octa bde. cel pb-fre e products h a ve the sam e base part n u mber with a suffix added. the suffix Ca indicates that the device is pb-fr e e. the Caz suffix is us e d to design a te devices containing p b which are exempted from the requirement of r o hs directive (*). in all cases the d e vices have pb-free terminals. all devices with these suffixes meet the requir e ments of the rohs directive. this stat u s is based on cels understanding of t he eu directives and k n owledge of the materials that go into its p r oducts as o f the date of discl o s ure o f this infor m ation . r e s t ric t e d s u bs t a n c e per rohs con c e n tratio n limit per rohs (value s are n o t yet fixed) con c e n t ra t io n con t ai ned in cel devices - a - a z lead ( p b ) < 10 0 0 ppm no t de t e c t ed (*) mercury < 100 0 ppm not dete cted cadmi u m < 100 ppm not dete cted hexavale nt chromi um < 100 0 ppm not dete cted pbb < 1000 ppm not detec t ed pbde < 1000 ppm not detec t ed if you should have any additional q uestions re g a rding our d e vices and compliance t o environm e n ta l standards, p l ease do no t hesitate to contact your local representative. i mpor t ant i nf orm a t ion and disclaimer : i n f or m atio n provided b y ce l on its w ebsite or i n other commun i cations concerti n g the sub s tanc e content of its pr o ducts represents kno w ledg e and b elief as of t he date that it is provided. cel bases its kno w ledge a n d belief on in f orm a tion p r o v ided b y t h i r d part ies and m a k e s no r ep r e s en t a tion o r w a rr an t y a s t o t he acc u r ac y o f s u c h in f orm a t ion . eff orts a r e u nder w a y to b ette r in t eg r a t e in f orm a tion fr om t hi r d pa rt ies. c e l has t a k en and c ont inu e s to take reason a ble steps t o p r o v ide r epr e s en t a t i v e and ac cu r a t e information but m a y not h ave conducted destructive testing or c hemi c al anal y s is on in c oming m a terials and chemicals. cel and c e l s upplie rs c on s id er c ert ain in f o r m a t ion t o be p r o p r i e t ar y , and thus c as numbers an d other limited information m a y not be availa b le for release . in no event shall cels liabilit y ar i s ing out of such information e x ce e d the total purc h ase price of the cel par t ( s) at issue s old by c e l t o customer on an annual basis. see cel t e rms and conditions f or additional c l arification of w a rra n ties and liabilit y .


▲Up To Search▲   

 
Price & Availability of NE552R479A-T1A-A

All Rights Reserved © IC-ON-LINE 2003 - 2022  

[Add Bookmark] [Contact Us] [Link exchange] [Privacy policy]
Mirror Sites :  [www.datasheet.hk]   [www.maxim4u.com]  [www.ic-on-line.cn] [www.ic-on-line.com] [www.ic-on-line.net] [www.alldatasheet.com.cn] [www.gdcy.com]  [www.gdcy.net]


 . . . . .
  We use cookies to deliver the best possible web experience and assist with our advertising efforts. By continuing to use this site, you consent to the use of cookies. For more information on cookies, please take a look at our Privacy Policy. X