PCBA Audio Bluetooth FM Radio Kit Diagram Micro SD Card Mini PCB USB MP3 Player Circuit Board

Company Information

Shenzhen Redboard Tech Co., Ltd.

CN Manufacturer, Trading Company, Distributor/Wholesaler
Response Time
Response Rate:
2 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: shenzhen
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,paypal
Supply Ability: 50000 Piece/Pieces per Day
Place of Origin: china
Model Number: Red0042
Silkscreen Color: white,black,yellow,blue...
Silkscreen Min size: 0.006&#39;&#39;(0.15mm)
Solder mask color: Green,white,black,red,blue...
Number of layers: 1-48
E-test: X-ray,AOI Test,Functional test
Sub-assembly: Plastic,metal,screen
PCB outline: Square,circle,irregular(with jigs)
Board thickness 1: Single/Double:0.008 &plusmn; 0.004&quot;
Board thickness 2: 4layer:0.01&plusmn; 0.008&quot;
Board thickness 3: 8layer:0.01 &plusmn; 0.008&quot;
Brand Name: OEM &amp; ODM
Base Material: Laminate materials
Copper Thickness: 18~150um
Board Thickness: (0.1-5mm&plusmn;10%)
Min. Hole Size: 0.1mm&plusmn;0.075mm(4mil&plusmn;3mil)
Min. Line Width: 3mil&plusmn;10%
Min. Line Spacing: 3mil&plusmn;10%
Surface Finishing: HASL,ENIG,immersion silver
Packaging Detail: QFN, BGA, SSOP, PLCC, LGA

PCBA Audio Bluetooth FM Radio Kit Diagram Micro SD Card Mini PCB USB MP3 Player Circuit Board

Delivery time

ItemsSample Lead time (Days)Big order lead time (Days)

Single sided PCB

12 hours5-6 days
Double sided PCB12 hours5-7 days
Multilayer PCB36-48 hours7-12 days
PCB Assembly24-36 hours12-15 days
OthersAccording the designsAccording the designs





Product Description




SerciveOEM / ODM
MaterialLaminate materialsFR4, high TG FR4, high frequency, alum, FPC
Board cuttingNumber of layers1-58
Min.thickness for inner layers0.003”(0.07mm)
(Cu thickness are excluded)
Board thicknessStandard(0.1-4mm±10%)
Bow and twist7/1000
DrillingMin size0.0078”(0.2mm)
Drill deviation±0.002″(0.05mm)
PTH  hole  tolerance±0.002″(0.005mm)
NPTH  hole  tolerance±0.002″(0.005mm)
Solder maskColorGreen,white,black,red,blue…
Min solder mask clearanace0.003″(0.07mm)
Copper weightOuter Cu weight0.5-4  0z
Inner Cu weight0.5-3  0z
E-testPCBA TestingX-ray,AOI Test,Functional test
Function Test100% Functional test
Min size0.006″(0.15mm)
Tolerance of pcb±5%
Max size of finish board45*45mm
MOQ1 pcs
Surface FinishHASL,ENIG,immersion silver,immersion tin,OSP…
PCB outlineSquare,circle,irregular(with jigs)






Company Information


About Redboard


Shenzhen Redboard Tech Co., Ltd is a professional PCB and SMT manufacturer located in Shenzhen China. Providing to worldwide with High quality products which including FR4 PCB, Aluminum PCB,HDI PCB, Multilayer PCB and Rogers PCB. Focus on PCB Assembly first-class service. OEM / ODM Service.



Our Services


FREE SAMPLES  if everything confirmed!!!!

PCBA manufacturer from shenzhen SMT assembly PCB board circuit board factory one step shopping

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We can do 12 hours for PCB board samples delivery, and 24 hours for PCBA samples delivery.



Packaging & Shipping










Q1: Can i get a sample to test your quality ?
ANSWER: Yes, it is reasonable to get a sample to test quality at first
FREE sample if everything confirmed

Q2: How do you ensure that product's information is not compromised ?
ANSWER: We are willing to sign NDA effect by customer side local law and promising to keep customers data in high confidential level.

Q3: What service do you have?
ANSWER: We provide turnkey solution with PCB, SMT, Components etc. OEM and ODM

Q4: How long does it take for PCB and PCBA quote?
ANSWER:  2 hours for PCB, 8 hours for PCBA

Q5:What files required to get quotation from you for PCB?
ANSWER: For PCB, please provide the Gerber data/files and indication of related technical requirements as well as any special requirement if you have.

Q6:What files required to get quotation from you for PCBA?
ANSWER: For PCBA, please provide Gerber data/ files and also BOM (bill of materials), and if you            need us to do function test, please also provide the test instruction/procedure.

Q8: What are the main products of your PCB/PCBA services?
ANSWER: Medical, Automotive, Communication etc.

Q9: Is Redboard a factory or trade company?
ANSWER: we are a factory with PCB and SMT factory located in Shenzhen