Sierra Circuits, Inc. (dba Sierra Proto Express) has been a leading manufacturer of PCBs for over 20 years. Since 2003, we have also provided Assembly Services so our customers can get the one-stop convenience and single point of support for both PCBs 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.
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Introducing Quick Turn Assembly! Download our flier here. |  |
Please review our Assembly Capabilities below.
To get a quote
please contact your Sierra sales rep directly or call Ron Jamorabon at 408-328-4024. |
| PCB Assembly Capability Summary |
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- SMT and Through Hole
- One-sided as well as double-sided 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 BGAs Placement and Reflow. X-Ray equipment available.
- Automated Optical Inspection
- In-circuit Tests
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We use state of the art assembly equipment |
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- 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.
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Assembly Rework including BGA rework |
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- 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.
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ROHS Compliance Services |
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- We offer fully ROHS
compliant 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
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Turnkey Assembly and Consigned Assembly (both available) |
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- 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.
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Testing Services |
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- Testing of PCB
assemblies as per customer requirements.
- We also offer Test Plan
design services in specific cases.
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Design for Manufacturability (DFM) feedback |
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- 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.
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Why choose PCB Assembly from Sierra Assembly Services?
We offer strong value in our 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
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