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PCB Assembly

TURNKEY, CONSIGNED & PARTIALLY CONSIGNED ASSEMBLY

Frequently Asked Questions About PCB Assembly

Hours

Sierra Circuits is a 24/7 manufacturing PCB company. Sales representatives are available from 8:00 AM -- 6:00 PM.

SHIPPING

Standard UPS and FedEx rates apply. To change your shipping address, call 800-763-7503.

BEFORE QUOTING

When requesting a quote, make sure that the quantity, turn time, and whether it's RoHS/Non-RoHS are specified. To receive a quote, the following files are required: Gerbers and BOM. Need help setting up your BOM? View our BOM Example.

ONLINE TURNKEY QUOTING

Our instant quoting is based on general factors and statistics -- quote online now Use our online form to submit a custom quote.

PLACING AN ORDER

All orders must be quoted separately. After quoting, make sure you have all your files using our PCB File Checklist.

AFTER ORDER IS PLACED

After receiving your order, Sierra Circuits will:
  • Verify your design for PCB assembly feasibility and contact you.
  • Email instructions regarding consigned or partial turnkey packaging orders.
  • Locate and procure all necessary components for turnkey or partial turnkey orders. For all consigned parts, we require extra parts for assembly attrition. Learn more in our PCB Component Kitting Guidelines.
  • Assemble your PCB using pick and place machines to ensure accuracy
  • Conduct quality testing in accordance with IPC-A-610 assembly standards.
  • Inspect PCB component using X-ray inspection.

RECYCLING & LEFTOVER COMPONENTS

Turnkey does not have leftover components. Consigned components are shipped back to customers. Stencils used are recycled after the order is completed.

EXISTING INVENTORY

Sierra Circuits stores several components on-site. We checks multiple sources for components, including Digikey and Mouser.

QUANTITY

From 1 to several hundred, Sierra Circuits produces all quantities of boards.

BUYING PCB COMPONENTS FROM SIERRA

Sierra Circuits has specialized buyers and component engineers who will buy your components for you. We will procure the components that are not stored on our on-site facilities, saving you time and shipping charges. It will also eliminate kitting costs.

REQUIREMENTS FOR SENDING PCB COMPONENTS

When sending components to Sierra Circuits, follow our PCB Component Kitting Guidelines. Packages must be shipped to 306 Portrero Ave. Sunnyvale, CA 94085

MAXIMUM COMPONENTS

There is no limitation on SMT placement, as long as the spacing rules between two adjacent components are being followed.

MAXIMUM COMPONENT THICKNESS

Our SMT machines are able to process components up to 1" in thickness. If components are thicker than 1" we can hand-solder after the SMT process.

FREE OF CHARGE

We work to save you money and hassle. This includes no charge for AOI, pinwork, stencils, or tooling.

ASSEMBLY FIXTURE CHARGES

Assembly Fixture charges may apply -- applicable in the following cases:
  • If we have to make fixtures, a charge may apply and your turn time will increase by two days.
  • If the PCB or array does not meet the minimum 3" dimensions.
  • If the SMT components are closer than 1/4" to any of the edges
  • Press fit connectors require press fit fixtures

CANCELLATION CHARGES

Immediately contact your account representative by phone and email. Once orders are placed, they are immediately subject to cancellation charges. Charges include cost incurred up to the time of cancellation. We will return any partial work or remaining parts. Shipping charges will apply.

REWORK & PROBLEMS

We have a Customer Service Ticket System available. Click here to contact us.