printed circuit board design pdf

{"title":"High Frequency ROGERS Multilayer HDI PCB Printed Circuit Prototype Board PCB","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/74\/56\/254ee7696a7b69ab9a29016e64a1-200x200-1.jpg","attrs":{"Price":"USD 1-30 piece","Brand Name":"HighLeap","Model Number":"PCB Board","Minimum Order Quantity":"1pcs","Delivery Time":"1-15 working days","Certification":"ISO9001\/Iso14001\/CE\/ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10000 piece per week","Packaging Details":"Vacuum Package","Copper Thickness":"0.5oz-5oz.","Surface Finishing":"immersion Gold\\ENIG.","Certificate":"ROHS.","Base Material":"ROGERS.","Board Thickness":"0.2mm-5.0mm.","MOQ":"one."}}

{"title":"Grace FENGHUA Brand PCB Mount CMF NTC SMD Thermistor 1005 1608 2012 3216","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c8\/b9\/11079d7863ab569a6dbcaf1484ca-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"FENGHUA","Model Number":"CMF","Minimum Order Quantity":"1 Reel","Delivery Time":"2 weeks","Certification":"ROHS,REACH","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"10 Billion per year","Packaging Details":"Tape in reel","Type":"CMF SMD NTC Thermistor","Size":"0402 0603 0805 1206","Resistance tolerance":"1%,2%,3%,5%,10%","Beta value":"3435,3950,3970,3977,3470,4100,4200,3935,3600,4300,4500","Operating Temperature":"-40\u2103\uff5e+120\u2103","Resistance range":"3.3K ~ 560K Ohm"}}