www.protoexpress.com

• charset: UTF-8
• equiv: refresh content: 1800
• name: viewport content: width=device-width, initial-scale=1, shrink-to-fit=no
• name: robots content: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
• name: description content: Since 1986, Sierra Circuits has been an industry leader in PCB prototype manufacturing, optimization, and assembly.
• property: og:locale content: en_US
• property: og:type content: website
• property: og:title content: PCB Fabrication, Assembly, and Components | Sierra Circuits
• property: og:description content: Sierra Circuits Canada was established in 2022 to service the PCB manufacturing and assembly needs of our Canadian and worldwide customers.
• property: og:url content: https://www.protoexpress.com/
• property: og:site_name content: Sierra Circuits
• property: article:publisher content: https://www.facebook.com/sierracircuits/
• property: article:modified_time content: 2026-03-13T17:33:12+00:00
• property: og:image content: https://www.protoexpress.com/wp-content/uploads/2021/04/product-turnkey_pro-2.webp
• property: og:image:width content: 716
• property: og:image:height content: 550
• property: og:image:type content: image/webp
• name: twitter:card content: summary_large_image
• name: google-site-verification content: 6A9PeS6KJ_t_2QLpQ8eVF69Wx5bPPHZ85MrtUbtxGA8
• name: generator content: WP Rocket 3.20.5 features: wpr_delay_js wpr_defer_js wpr_lazyload_images wpr_lazyload_iframes wpr_minify_css wpr_preload_links wpr_desktop

• Skip to main content
• https://www.protoexpress.com
• +1 (800) 763-7503
• Get an Instant, Itemized Quote
• Facility Tour
• PCB Products
• https://www.protoexpress.com/products/turnkey-pro/
• https://www.protoexpress.com/products/online-pcb-manufacturing/
• No Touch PCB
• KiCad Quote Plugin
• Rigid PCBs
• Flex and Rigid-Flex PCBs
• HDI PCBs
• Microelectronics PCBs
• Aerospace & Defense PCBs
• Controlled Impedance
• RF & Microwave PCBs
• PCB Mass Production
• PCB Assembly
• Component Sourcing and Stocking
• Flying Probe Testing
• PCB Design Support
• Solutions by Industry
• Tools for Designers
• Stackup Designer
• Material Selector
• Component Selector
• Impedance Calculator
• Via Impedance Calculator
• Trace Width, Current Capacity and Temperature Rise Calculator
• Via Current Capacity Calculator
• Signal & Plane Layer Estimator
• https://www.protoexpress.com/tools/pcb-conductor-spacing-and-voltage-calculator/
• Via Thermal Resistance Calculator
• Transmission Line Reflection Calculator
• Bandwidth Rise Time and Critical Length Calculator
• RLC Resonant Frequency and Impedance Calculator
• Maximum Via Stub Length Calculator
• PDN Analyzer
• Better DFM
• BOM Checker
• Compare 2 BOMs
• About Sierra Circuits
• Join Our Team Now
• http://www.protoexpress.com/#
• Capabilities
• PCB Certifications
• Quality
• Webinars & Seminars
• Webinars
• FAQ
• Knowledge Base
• Design Guides
• Blog
• Start an Online Quote
• through our Customer Care form
• Sign In
• Create an Account
• http://www.protoexpress.com/#video-inline
• https://www.protoexpress.com/event/webinar-medtech-pcb-design-mistakes/
• https://www.protoexpress.com/webinars/characterization-of-high-frequency-transmission-lines-for-signal-integrity-optimization/
• https://www.protoexpress.com/webinars/how-good-is-my-shield/
• https://www.protoexpress.com/webinars/practical-techniques-power-integrity/
• Aerospace & Defense
• Automotive
• Healthcare & Medical Devices
• Consumer & Wearables
• Universities & Research Institutions
• Industrial Manufacturing
• Start Instant Online Quote
• Start Instant Online Quote
• Start Quote
• + Full Specifications for Turnkey PRO
• + Full Specifications for Standard PCBs
• + Full Capabilities for Advanced PCBs
• Categories
• Learn PCB Manufacturing
• Visit the SPX Portal
• RoHS / REACH Compliance
• ITAR Registered
• JCP Certification Approval Letter
• Learn More
• Customer Portal
• Terms & Conditions
• Company
• Contact Us
• Shared Portal Access (SPX)
• http://www.protoexpress.com/#video-footer-inline
• http://www.protoexpress.com/tel:8007637503
• (408) 735-1408
• Privacy Policy
• CCPA Compliance
• http://www.protoexpress.com//www.securitymetrics.com/site_certificate?id=1275886&tk=a874f0b5fea9c6abe864d7c2a500be80
• Turnkey PCBs
• Standard PCBs
• Advanced PCBs

• Community
• https://sierraconnect.protoexpress.com/c/events/ask-me-anything/74?utm_source=protoexpress.com&utm_medium=display&utm_campaign=home%2Bjan%2B2024
• https://sierraconnect.protoexpress.com/t/kicad-quote-plugin/93
• https://sierraconnect.protoexpress.com/c/manufacturing/23
• https://sierraconnect.protoexpress.com/c/design-and-layout/5
• https://sierraconnect.protoexpress.com/c/assembly-and-components/31
• https://sierraconnect.protoexpress.com/c/events/71
• https://sierraconnect.protoexpress.com/c/pcb-glossary/77
• https://sierraconnect.protoexpress.com/c/signal-and-power/17
• https://sierraconnect.protoexpress.com/c/general/4
• https://sierraconnect.protoexpress.com/c/sierras-calculators-and-other-tools/50
• https://sierraconnect.protoexpress.com/c/giveaway-zone/76
• https://sierraconnect.protoexpress.com/c/design-guides/75
• https://sierraconnect.protoexpress.com/c/staff/3
• Book a Meeting
• ISO 9001:2015 Certificate
• IPC-A-600 Inspectors
• UL Certification - Flex & Rigid Flex PCBs
• UL Certification - Rigid PCBs
• ISO 13485:2016
• MIL-PRF-31032 Certificate
• National Minority Supplier Development Council.
• https://www.facebook.com/sierracircuits/
• https://www.linkedin.com/company/sierra-circuits-inc/
• https://twitter.com/SierraCircuits?
• https://www.youtube.com/channel/UCz-QzCLZPbBov9MmTQ7zJlg

            Domain Name: PROTOEXPRESS.COM
Registrar: Network Solutions, LLC
Domain Status: client transfer prohibited
Creation Date: 1997-07-07T04:00:00Z
Registry Expiry Date: 2028-07-06T04:00:00Z
Updated Date: 2026-06-09T19:16:48Z
Name Server: AUTH1.DNS.COGENTCO.COM
Name Server: AUTH2.DNS.COGENTCO.COM
REGISTRAR Contact: Network Solutions, LLC
>>> Last update of RDAP database: 2026-07-31T18:52:09Z         

			User-agent: *

Disallow: /wp-admin/
Disallow: /customer-portal/
Disallow: /cis/ 
Disallow: /tools/sierra-design-portal/

Sitemap: https://www.protoexpress.com/post-sitemap.xml
Sitemap: https://www.protoexpress.com/page-sitemap.xml
Sitemap: https://www.protoexpress.com/solutions-sitemap.xml
Sitemap: https://www.protoexpress.com/products-sitemap.xml
Sitemap: https://www.protoexpress.com/tools-sitemap.xml
Sitemap: https://www.protoexpress.com/design-guides-sitemap.xml
Sitemap: https://www.protoexpress.com/webinars-sitemap.xml
Sitemap: https://www.protoexpress.com/faq-sitemap.xml
Sitemap: https://www.protoexpress.com/knowledge-base-sitemap.xml        

Teknik SEO

Sayfa İçi SEO

İçerik ve Kullanıcı Deneyimi