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Sierra Circuits
Best-in-Class PCB Fabrication, Assembly, & Components.
Industry Leading PCB Designer's Tools.

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Sierra Circuits has advanced PCB industry standards since 1986. Our engineers can fabricate complex technology that the others won't even try.

Sierra Circuits is ITAR certified
Sierra Circuits is Mil-PRF-55110 and MIL-PRF-31032 certified by the US Dept of Defense
Sierra Circuits is AS9100D certified for Military and Aerospace PCBs
Sierra Circuits is ISO 9001:2015 certified for Military and Aerospace PCBs
Sierra Circuits is ISO 13485:2016 certified Medical Device PCBs
Sierra Circuits is IPC-6012, IPC-6013, IPC-6015, IPC-6018, and IPC-A-600 certified
Sierra Circuits is NIST Certified
Sierra Circuits PCBs are RoHS Compliant
Sierra Circuits PCBs are Reach Compliant

From standard PCBs to advanced technology made from exotic metals. Choose the PCB that's right for you.

Turnkey PRO

Fabrication, Procurement, & Assembly. PCBs fully assembled in as fast as 5 days.

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Standard PCBs

Fabrication. Procurement & Assembly optional. Flexible and transparent for advanced creators.

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Advanced PCBs

Complex technology, with a dedicated CAM Engineer. Stack-up assistance included.

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Board Type Quick-turn Rigid PCB prototypes Standard Rigid PCBs Rigid, Flex & Rigid-Flex, HDI, Aerospace & Mil-Spec
Assembly & Components Components Included Assembly to IPC-A-610-Class 2 specs Components & Assembly Optional Components & Assembly Optional
Layer Count 2, 4, 6, 8-layer boards Up to 12 layer boards Up to 30 layer boards
Turn Time 5, 7, and 10 business days 1 , 2, 3, 4, 5 and 10 business days Same Day Available - up to 4 Weeks
Materials FR-4 lead-free FR4, FR4-06, FR4-lead free FR-4 / High-Temp. FR4 / Rogers / Polyimide / Aluminum Clad / Metal Core / Highspeed / Others
Plate Finish ENIG / HASL ENIG / HASL / Electrolytic Hard Gold / Electrolytic Soft Gold / Immersion Silver Electrolytic Hard Gold / Soft Gold / Selective Gold / ENIG / OSP (Shikoku F2) / OSP (Entek) / Immersion Silver / Leaded & Lead-Free HASL
Qualifications Built to IPC-6012 Class 2 Specs No microsection certs or IPC coupons Built to IPC-6012 Class 2 Specs No microsection certs or IPC coupons IPC-6012 Class 1, 2, 3, 3D / IPC-6013, Class 1, 2, 3 / MIL-PRF-31032 / MIL-PRF-55110 /ISO 9001:2015 / ISO 13485:2016 / Others
Board Thickness 0.031″ / 0.062″ / 0.093″ 0.125” / 0.093″ / 0.062″ / 0.047″ / 0.040″ / 0.031″ / 0.020” / 0.014” / 0.010” Full Range Available
Copper Weight Inner layer copper: 1 oz. Outer layer (finished) copper: 1 oz or 2 oz. Inner layer copper: 1 oz. Outer layer (finished) copper: 1 oz or 2 oz. Inner layer copper: .33oz, up to 6oz. Outer layer (finished) copper: 1oz, up to 6oz.
Minimum Trace / Space 4 mil (0.004″) trace / space 2 mil (0.002″) trace / space 1.5 mil (0.0015″) trace / space
Zero Defect Guarantee Reduce Re-Spins. Zero Defects, Guaranteed! Reduce Re-Spins. Zero Defects, Guaranteed! Reduce Re-Spins. Zero Defects, Guaranteed!
Our Pitch

Turnkey PRO is the Best Value for MOST PCBA Customers.

Turnkey PRO sources the whole package, creating a thread from design to delivery. Fabricating PCBs. Procuring parts. Assembling your boards.

Order Zero-Defect PCBs entirely online and get to market faster.

Order the most reliable PCBs, entirely online.

Get an instant online quote with expanded options for edge plating, gold fingers, additional materials, and surface finishes. Component Procurement and In-house Assembly optional.

Order Zero-Defect PCBs a-la carte for maximum flexibility.

The world's most advanced PCBs, proudly made in The United States.

Exotic materials, blind, buried, and micro-vias, built-up laminations, and the highest signal integrity in the industry.

Engineers at the world's most innovative companies choose Sierra Circuits for the most reliable PCBs, made in America.

Get an Instant Online Quote Get an Instant Online Quote Get a Custom Quote
+ Full Specifications for Turnkey PRO + Full Specifications for Standard PCBs + Full Capabilities for Advanced PCBs

Not sure which boards are right for you?

Upload your Design Files and Get a Custom Quote.

Trusted by innovators since 1986

In the race to build tomorrow, Sierra Circuits engineers and PCB designers continually patent new technologies, crossing design barriers—to help innovators bring new products to market.

Other Ways Sierra Circuits Can Help

We have many resources designed to help you, no matter where you are in your journey to becoming a PCB expert.

PCB Manufacturing & Assembly Processes

Knowing how your boards are manufactured and assembled will help you design boards that are cost-effective and technically robust.

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Support  

Need help with your Stackup? Want to find out what our chip stock looks like? Have questions about your order? We're here to help.

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Share Project with your Engineers

Access Sierra Circuits Project Access (SPX) Portal. Just like our Customer Portal, SPX is encrypted and fully protected.

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24 hours a day, 7 days a week.