step down constant current pcb pcba

{"cid":"91219651","title":"Jmx202 15-24 Inch LED Display Power Supply Board 12V3A Built-In Step-Down Constant 9V Current PCB PCBA Product Type","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/71\/32e579348a2b06ff9cb64f0c215f-200x200-1.jpg","attrs":{"Price":"$1.53-2.04","Brand Name":"creatall","Model Number":"JMX-202","Minimum Order Quantity":"100","Functional Application":"Lcd tv","Min. Hole Size":"0.2mm(0.01in)","Board Size":"8cm*4cm(3.15in*1.57in)","Min. Line Spacing":"4mil","Base Material":"Fr4.","Surface Finishing":"Hasl","Board Thickness":"1.6mm(0.06in)","Product size":"8cm*4cm","Applicable products":"LCD TV, monitor","Product weight":"56g(KG)","Min. Line Width":"4mil","Copper Thickness":"1 oz","Type":"Pcb","Material":"Pcb, PCB","Place of Origin":"Guangdong, China","Item No":"000059"}}

{"cid":"91211323","title":"FZB06602 Running Indicator Escalator Traffic Light 24 VDC with UV-stabilized PC Housing and IP54 Sealing OTIS-Compatible","imgUrl":"https:\/\/img.chinax.com\/nimg\/c8\/64\/17631f038e0d019793df69b5f87d-200x200-1.jpg","attrs":{"Brand Name":"OTIS","Model Number":"FZB06602","Minimum Order Quantity":"1","Delivery Time":"3-5 Working Days","Payment Terms":"D\/A,D\/P,T\/T,Western Union","Type":"FZB06602","Product name":"FZB06602 Running Indicator","Applicable":"elevator parts,Elevator Equipment,General for escalator parts,Passenger Lift,Passenger Elevator","Transportation":"Air Transportation,Sea Transportation,Clients' Requestment,DHL TNT FEDEX UPS,Sea Delivery","Packing":"Packed in carton"}}