Payment & Shipping Terms:
|Product Name:||Pcba Smt Assembly||Size:||Can Be Customized|
Free sample Shenzhen pcba smt assembly,multilayer pcba with ul rohs certification
MJ was founded in 2003,our factory located in Shenzhen.We are an expert at PCB&PCBA, high power led,COB LED, SMD LED, SMT service manufacture, based in Shenzhen, Guangdong, China.
|1||Laminates||Aluminum base ,Copper base, CEM-1 CEM-3 FR4(TG130,TG150,TG170), FPC(Flexible print board) Ceramic base|
|4||Min. thickness||1/2L: 0.40mm, 4L: 0.40mm, 6L:0.60mm,
|5||Finished copper||Inner: 12-175um, outer: 35-175um|
|6||Min. line/spacing||I/L;3/3mil (0.0762/0.0762mm) O/L;
|7||Min. finished hole||6mil (0.15mm)|
|8||hole wall copper||20-25um|
|9||Min. S/M dam||4mil (0.10mm)|
|10||Max. aspect ratio||0.417361111|
|11||Tolerance of hole position||+/-2mil|
|12||Tolerance of outline||normal:+/-5mil, special:+/-4mil|
|13||tolerance of tracks||normal:+/-20%,
|14||Tolerance of PTH||normal: +/-3mil, /special:+/-2mil|
|15||Tolerance of NPTH||+/-2mil|
|17||Twist and bow||<=0.75%|
|18||Surface finish||HAL(Tin-lead/lead free), ENIG, OSP,
Immersion silver, gold plating, gold fingers
1.Merchandising, Exhibition stands/Shop-malls
6.Places where need energy saving or complicated lighting effects.
1.Sample lead-time: 1~4days;
2.Payment: 30%T/T deposit, balance COD
3.Shipping: By Express (EMS,DHL, UPS etc), by air or by sea;
4.Logo: According to your requirements;
5.Others with our confirmations.
1. 2 years warranty,super price,high thermal conductivity,steady quality,good delivery,highly cost effective,high power,super popular high quality,professional design,factory price,the best choice,high standard, high qualified,high efficient,best service with competitive.
2. More than 10 years technical service team
3.professional sales team
4.Customized specification can be accepted in our factory .
5.Aiming at the consult of "high quality,zero defect",give you the best quality,best service.
6.We can offer three categories of products,cob led source, integrated LED source and high power LED source.
7.Your inquiry related to cob led source or prices will be replied within 24 hours.