Online PCB Manufacturing and Assembly Quotes

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Online PCB Fabrication, Component Procurement, and Assembly (Optional)

Get an online quote for manufacturing and assembly of standard PCBs.
Sierra Circuits provides flexible and transparent pricing for fast and easy ordering.

Start an Online Quote

Why choose Sierra Circuits for your PCB manufacturing and assembly
needs?

With our online quoting and ordering system, you can seamlessly procure standard rigid
boards up to 14 layers with 4 mil trace and space
Our DFM engineers will carefully review your design to ensure hassle-free
manufacturing.
You can track and manage your orders in real time through our customer portal.
We have extensive experience in laser drilling, routing, and X-ray drill machines for
accurate internal registration, and mechanical vision drill systems with controlled
depth drilling.
We implement a self-learning system for material movement compensation, Seica’s FPT
machines for electrical testing, and AOI for quality control.

Our capability of producing high-quality boards makes us the trusted PCB manufacturer in California, USA

1 – 1, 500 completely assembled boards
Built to IPC 6012 class 2 specs
Complete DFM and DFA checks
UL and RoHS compliant
Lead-free options
Edge plating

We check your design for manufacturability when you place an online PCB fabrication quote.

With our online platform, you can get instant estimations, place orders within minutes, and move seamlessly through DFM checks for a faster and more reliable turnaround.

While the process is faster, we never compromise on quality. Every board undergoes a strict quality check at every stage, including material inspection, AOI, and electrical testing (100% netlist testing).

Production Turnaround and Limits		Production Turnaround and Limits
Supported PCB Production File Formats	Gerber/ODB++/IPC-2581
Turntime	1, 2, 3, 4, 5, and 10 business days from the order date.
Cut-Off Time	5 PM PST
Minimum/Maximum Order Quantity	From 1 to 1500 PCBs

Stack-up		Stack-up
Maximum Number of Layers	Up to 14 layers
Inner Layer Copper Plating	0.5 oz or 1 oz
Outer Layer Copper Plating	1 oz or 2 oz
Maximum Board Area	150 square inches
Maximum Board Dimension	15,900 mil (15.9 in/403.86 mm)
Minimum Board Dimension	500 mil (0.5 in/12.7 mm)
Maximum Finished Board Thickness	125 mil (0.125 in/3.175 mm)
Thickness Tolerance	±10% for boards ≥31 mil (0.031 in/0.787 mm) ±3 mil (0.003 in/0.0762 mm) for <(0.031 in/0.787 mm)
Materials	FR4 and FR4-lead free

Drill and Annular Ring		Drill and Annular Ring
Minimum Finished Hole Size	6 mil (0.006 in/0.1524 mm)
Maximum Plated Hole Size	246 mil (0.246 in/6.248 mm)
Maximum Non-Plated Hole Size	250 mil (0.25 in/6.35 mm)
Maximum Hole Density	100 holes/sq inch
Via in Pad Features	Vias filled with non-conductive material allowed
Minimum Width of Annular Rings	6 mil (0.006 in/0.1524 mm)
Plating on Hole Walls	0.8 mil (0.0008 in/0.020 mm) to 1.2 mil (0.0012 in/0.030 mm) (20 microns to 30 microns)

Trace and Spacing Clearances		Trace and Spacing Clearances
Minimum Trace and Space	4 mil (0.004 in/0.1016 mm)
Minimum Air Gap	4 mil (0.004 in/0.1016 mm) (between copper features)
Minimum Inner Layer Drill-to-Copper Spacing	13 mil (0.013 in/0.3302 mm) (for plated and non-plated holes)
Controlled Impedance Tolerance	±5-10%

Surface Finish and Solder Mask		Surface Finish and Solder Mask
Surface Finish	HASL, Immersion Gold, and Immersion Silver
HASL	25 to over 2000 μin
Immersion Gold Thickness	1.5-2.8 μin
Immersion Silver	5-15 μin
Solder Mask Colors Available	Green, Black, and Black
Solder Mask Minimum Dam Size	3 mil (0.003 in/0.076 mm )-4 mil (0.004 in/0.101 mm) for green 5 mil (0.005 in/0.127 mm) for Black and Blue
Solder Mask Process	LDI
Silkscreen/Legend Colors Available	White and Black
Silkscreen/Legend Minimum Width	5 mil ( 0.005 in/0.127 mm) on both sides
Logo and UL Markings	Vendor markings (company logo, UL marking, flammability, etc) allowed on the bottom silkscreen

Mechanical Parameters		Mechanical Parameters
Gold Fingers	Yes
Counterbores/Countersinks	Yes
Standard Beveling	15 mil (0.015 in/0.381 mm) depth and 45-degree angle
Plated Slots Per Board	Available upon request
Non-Plated Slots Per Board	Available upon request
Cutouts Per Board	Available upon request
Notches Per Board	10
Minimum Inside Radius for Notches, Cutouts, or Slots	20 mil (0.02 in/0.508 mm)
Minimum Width for Notches, Cutouts, or Slots	40 mil (0.04 in/1.016 mm)
Arrays	Arrays are allowed but must be provided as a single-up image

Shipping, Payment, and Additional Information		Shipping, Payment, and Additional Information
Shipping Options	FedEx, UPS, and Will Call. International shipments allowed. Duties/customs are the responsibility of the customer.
Payment Terms	Credit card (purchase orders allowed only for select customers with pre-approved credit terms).
Additional Requirements	For 4-layer or more orders, include stack-up information. Provide a 24-hour contact number for clarifications on discrepancies. Web PCBs are manufactured to IPC 6012 class 2 No coupon specifications (no microsection reports or IPC coupons provided). For mil-spec or class 3 board request a custom quote. ITAR/EAR Export Controlled considerations must be marked upfront. Sierra Circuits is not accountable for any violation if the customer missed mentioning the ITAR or EAR Export Controlled upfront.
Restrictions	Web PCB service is for rigid PCBs only. For flex or rigid-flex PCBs, please get a custom quote. Special features like blind/buried vias, tented vias, and mixed copper layers require a custom quote. Online assembly quotes only for rigid boards. Additional services like wire bonding, conformal coating, underfills, staking, and cable assembly are not included in the online quote and require a separate quote.
Right to Refuse an Order	Sierra Circuits reserves the right to refuse any Web PCB order within 1 business day, if the board design has special complexities that are not commensurate with the price paid online.

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How to Place an Order for Online PCBs

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Trusted by innovators

Engineers at the worlds most innovative companies choose Sierra Circuits for the highest quality online PCB manufacturing and assembly, right here in the USA.

Book a tour with an account manager today!

Let us introduce you to one of the most innovative communities of engineers and designers in the world.

We can help you plan your project from design to assembled board.

Manufacturing Equipment at Sierra Circuits

Our 70,000 sqft state-of-the-art campus in the heart of Silicon Valley contains the most advanced equipment required for the manufacture and assembly of your PCBs. Whether you’re looking for standard quick turn PCBs or boards with the tightest tolerances, made from exotic metals, there’s a reason Sierra Circuits leads the industry in quality and performance.

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