(+86) 0755-27211556info@sentakpcb.com
Home>Quality > PCBA PCBA

Ⅰ、Quality policy

Thoroughly tempered well-seasoned severe training and hammering to make competitive products!

Ⅱ、Quality Strategy

Continue improvements, and improve quality constantly. Record all issues for each batch sample and mass production, and seek out precautionary measures. Simultaneously delve into quality hidden trouble, and take relevant measures as precaution.

Ⅲ、Quality specifications:

1. Quality System: ISO-9001:2000 Quality System Standard

2. Quality Standard: IPC-610-D class 2,

3. Soldering Standard: J-STD-001 class 1,2,3

4. ESD Standard: ESD-MIL-STD-1686

5. Workshop management:5S

6. FAI-first article inspection

7. In process visual inspection

8. AOI inspection

9. Machine calibration and preventative maintenance

10. ERP material and process management ( ERP=enterprise resource planning computer system)

Ⅳ、Quality standards


Ⅴ、RoHS management

Product compliant: RoHS

RoHS prohibited substances list :

NO.     Name                       The upper limit(ppm=mg/kg)

1        Pb                                0.1%(1000ppm)

2        Hg                                0.1%(1000ppm)

3        Cd                                0.001%(100ppm)

4        Cr VI+                           0.1%(1000ppm)

5        PBB                              0.1%(1000ppm)

6        PBDE                            0.1%(1000ppm)

Ⅵ、ESD protection

1. Related testers for ESD protection:


Surface Resistance Meter

Detector Digital Static Tester

Anti-Static Wrist Strap 

2.ESD process protection:

3. ESD delivery protection

Ⅶ、Components Control

1. Components selection:

    a. Customer assigned brand:use the appointed brand and model only

    b. not assigned parts:

        Resistor、capacitor: YAGEO

        Tantalum Capacitor: AVX、 KEMET

        Electrolytic capacitor: CAPXON、 Panasonic

        Film capacitors: Surong、 KORCHIP

        Inductor: MURATA、 TDK、 Sunlord 




        Semiconductor:national、Linear Technology、NXP、philips、siemens、ON、ZETEX、TI、ST





 2. Procurement policy:

    a. Standard part mass order, like IC, will only use authorized agents from original manufacturer's official website


    b. Standard part low volume or rush order: digikey、 element

    c. Unique part like PCB, will choose top 10 suppliers in Shenzhen, likeHuaxiang Circuit Tech, etc.

    d. Compare price from 8 suppliers, to make use we get reasonal best price.

    e. Use alternative parts after customer's approval, and on the premise that no compromise of quality.

 3. Components inspection:

    a. Sample stageWhen there is new part, product engineer will strictly inspect every part according to component datasheet.

    b. Mass order procurement:IQC inspection according MIL-STD-105E sampling inspection class II standard

    c. Materials inpection equipments:

Ⅷ、Test capacity:

More Links:

PCB Assembly Equipment show: pls. click here.

PCB Equipment show: pls. click here.

PCB quality control : pls. click here.

Stencil Machine: pls. click here.