Pcb Assembly

SI Electronics is capable of two types of printed circuit board assembly services. They are full and partial turn-key services. 
Full Turn-Key covers all aspects of PCB fabrication and assembly, including manufacture of PCBs, parts procurement, tracking of online orders, quality inspections, and final PCB assembly.
In Partial Turn-Key, the customer is responsible for supplying the PCBs and a partial list of parts. SI will order the remaining parts and perform the assembly according to the customer's requirements. We can also kit the parts.
To begin the process of obtaining a quote for SI's electronic PCB assembly services, do the following:
Send your Bill of Materials (BOM) and Gerber files to sales3@si-ltd.com. Within 24 hours, we will e-mail you the official quote. The bill of materials must include: quantities, reference designators, manufacuturer's name, and manufacturer's part number.
Supported Capabilities of our Printed Circuit Board Assembly (PCBA) Services:
Types THD (Thru-Hole Device)
SMT (Surface-Mount Technology)
SMT & THD mixed
2 sided SMT and THD assembly
Quantities 1 – 10,000 PCBs
Parts/Components Passives parts, smallest size 0201
Fine pitch to 8 Mils
BGA, uBGA, QFN,POP and Leadless chips
Connectors and terminals
Component Package Reels
Cut tape
Tube and tray
Loose parts and bulk
Dimensions Smallest: 0.2″ x 0.2″
Largest: 15″ x 20″
Shape of PCBs Rectangular
Slots and Cut outs
Complex and Irregular
Type of PCBs Rigid FR-4
Rigid-Flex boards
Types of Assembly Process Leaded process
Lead-Free (RoHS)
File Format of PCB Design Gerber RS-274X
Bill of Materials (.xls, .csv, . xlsx)
Centroid data file (Pick-N-Place/XY file)
Sales/Support Emails
Online quotes PCB and assembly labor
Electrical testing X-ray Inspection
Automated Optical Inspection
Functional testing
Profile of Ovens Standard
Time to Turn-around 1 to 5 days for only PCB assembly
10 to 16 days for turnkey PCB assembly
How We Test Our Final Automated PCB Assembly
SI Electronics uses a variety of testing methodologies to ensure the assembled boards are functional prior to shipping.
They are:
  • Basic Quality Test: visual inspection.
  • X-ray Inspection: tests for BGAs, QFN and bare PCBs.
  • AOI Checks: tests for solder paste, 0201 components, missing components and polarity.
  • ICT (In-Circuit Test) / Functional test: according to the customer’s testing procedures.

ISO 9001 Quality Certification
SI's production facilities are ISO9001 certified
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