Sierra Circuits, Inc.
America's Complete PCB Resource!

Serving over 20,000 PCB Designers
and Engineers since 1986.

ISO 9001:2008 & ISO 13485:2003
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Sierra Circuits PCB Assembly Services
Sierra Circuits, Inc. has been a leading manufacturer of PCBs for over 25 years. We also provide PCB Assembly Services, so our customers can get the one-stop convenience and single point of support for both PCB Manufacturing and Assembly.

Our satisfied assembly customers include
Boeing, PATS Aircraft, Apogee Labs, Neophotonics, WICAB, Arasan Chip Systems, OQO, E. H. Wachs, UCLA, Stanford University, Ricoh, Sharp Labs and Sony.
PCB Assembly Services
Introducing Small Quantity, Quick Turn PCB Assembly online! Fantastic Prices, Amazing Service-- perfect for your prototyping projects. Sierra's new Web Assembly.
Please review our PCB Assembly Capabilities below.
To get a PCB quote please contact your Sierra sales rep directly or call 800-763-7503.




Save time by formatting your BOM correctly!




PCB Assembly Capability Summary

 
  • ISO 9001:2008 certified.
  • ISO 13485:2003 (Medical Devices) certified.
  • SMT and Through Hole.
  • Single or double-sided mixed technology PCB assembly.
  • Simple to very complex PCB assemblies.
  • Capability to handle virtually any device including all types of BGAs, CGAs, QFNs, DFNs, CSPs and SONs.
  • Small quantities and quick turns available.
  • Consigned Components or Turnkey.
  • RoHS & Lead-Free Assembly.
  • BGA and Micro-BGA installation and rework with 100% X-Ray Inspection.
  • Automated Optical Inspection.

We use state of the art assembly equipment

 
  • State of the art surface mount and through hole equipment including automatic Pick & Place, BGA rework and X-Ray equipment, Reflow Ovens etc.
  • Optimized reflow processes to protect the PCB laminate and components from temperature excesses and achieve highly reliable solder bonds.

Assembly Rework including BGA rework

 
  • Rework as per customer needs - Simple to highly complex
  • BGA rework using state of the art BGA rework stations equipped with X-Ray machines.
  • We also offer BGA Reballing for BGAs that are desoldered and need to be reused.

ROHS Compliance Services

 
  • We offer fully ROHS compliant PCB assembly services
  • We provide a complete transition path from existing Tin-lead solder based assembly to ROHS compliant assembly
  • Our ROHS design conversion services span from BOM modifications to Board level design modifications as required by specific types of parts used in the existing design

Turnkey Assembly and Consigned Assembly (both available)

 
  • You may send us your components as a kit (consigned), or you may ask us for Turnkey assembly, i.e., we source the components.
  • Ability to source components from virtually any vendor/component manufacturer / component distributors around the globe
  • Strong relationships with component suppliers
  • Remove all the customer’s pains in sourcing components from various vendors, in planning, leadtime issues, and in kitting.

Testing Services

 
  • Testing of PCB assemblies as per customer requirements.
  • We also offer Test Plan design services in specific cases.

Design for Manufacturability (DFM) feedback

 
  • We offer comprehensive relevant DFM analysis feedback to the customer regarding the assemblies that are either in the design stage or are currently under manufacture.
See our Assembly Kitting guidelines here.
See some Frequently Asked Questions about PCB Assembly
  Why choose PCB assembly services from Sierra Circuits?
We offer strong value in our PCB assembly services as shown below. The foremost benefit is that we manufacture the PCBs as well as do the PCB Assembly, thus making it a single source option for you.

PCB Assembly Services from Sierra speeds up your project timeline, saves you money, and reduces your administrative/logistical hassles.
  • Fast to standard turnaround times for assembly - from 1 day to standard 5 or 10 days or scheduled turns.
  • Assembly with customer-supplied parts (consigned assembly) or with parts procured by us (turnkey assembly) or a combination of the two
  • Process oriented assembly
  • ESD discipline
  • On time delivery and single point of customer service
  • Repeatability

 
 
?Sierra Assembly was proactive with suggestions about our assembly and extremely quick to help us out.

Your efforts are greatly appreciated as we were able to continue with our product development-- which was huge.

J.H.
Director, Engineering
Product Development Technologies
   
 
 
Introducing Small Quantity, Quick Turn PCB Assembly online! Fantastic Prices, Amazing Service-- perfect for your prototyping projects. Sierra's new Web Assembly.
  FAQ: About Sales Tax on Assembly NRE services? Click here.
  To get a quote please contact your Sierra sales rep directly or call 800-763-7503.
Also you may bookmark this Assembly Services webpage: www.protoexpress.com/assembly