San Francisco Circuits

One-Stop PCB Manufacturing & Assembly - our specialty is delivering advanced prototypes from intricate layouts & advanced technologies.

[San Francisco Circuits @sfcircuits]

San Francisco Circuits is CMMC Level 2 certified (C3PAO-validated), confirming compliance with NIST SP 800-171 Rev. 2 for CUI protection in the Defense Industrial Base.
Now listed in SPRS with 110 verified cybersecurity requirements.
🔗 https://t.co/9rwzsgk3xc

[San Francisco Circuits @sfcircuits]

Flying Probe Testing enables fixtureless PCB validation for prototypes, low-volume builds, and dense designs.
Programmable probes test continuity and components directly from CAD data.
Flexible, cost-efficient, and ideal for fast design changes.
Read more: https://t.co/r9DfOlhr6l

[San Francisco Circuits @sfcircuits]

Double-sided BGA assembly increases PCB density without enlarging the board, supporting compact, high-performance electronics. This process places BGAs on both sides, boosting component density by up to 50% and enabling more complex designs.

🔗Read more: https://t.co/1M0stDTgLw

[San Francisco Circuits @sfcircuits]

Press fit connectors drive high-density PCB designs, but unmanaged strain can cause hidden failures.
Our guide covers strain limits, common failure modes, and tips to boost PCBA reliability.
🔗Read the full guide: https://t.co/ozWm8mh0VY

[San Francisco Circuits @sfcircuits]

🔒System integrators face unique challenges: protecting sensitive design data while delivering high-reliability PCBs. San Francisco Circuits supports secure R&D with NIST & CMMC-compliant manufacturing and rapid prototyping.
Learn more: https://t.co/fK7uHziC8W

[San Francisco Circuits @sfcircuits]

⚙️Heavy copper PCBs use copper weights from 4 to 10 oz per square foot to boost current capacity and heat management. These boards power high-demand systems in defense, aerospace, and industrial electronics.
Learn more about heavy copper boards here: https://t.co/NJOSIlSN3s

[San Francisco Circuits @sfcircuits]

Our new PCB Stackup Calculator lets you build and visualize stackups from 4 to 14 layers in just a few clicks.

Start experimenting with your next design today:
https://t.co/iMw2qDJVLC

[San Francisco Circuits @sfcircuits]

Check out our latest guide covering via types for multilayer circuit boards.
Understand how different vias enable compact layouts and efficient signal routing.
🔗 Read the full guide: https://t.co/0k2WaY6WHi

[San Francisco Circuits @sfcircuits]

Check out our updated Flex PCB Capabilities page, covering:
💡 Ultra-thin flex (as slim as 12.5 microns)
📲 Streamlined designs without bulky wiring or connectors
🔗 Turn times, materials, layer stacks and more: https://t.co/Bc0JNujiXg

[San Francisco Circuits @sfcircuits]

🔩 Thru-hole technology ensures strong PCB connections and durability. When placing connectors or diodes, check orientation for reliable soldering. Mark the cathode on the silkscreen to avoid assembly errors.💡
Learn more: https://t.co/6MWA4WjyQJ

[San Francisco Circuits @sfcircuits]

Our article on PCB line spacing, clearance, and creepage has been featured in the latest issue of PCD&F. In the article, we dive into the crucial aspects of clearance and creepage in PCB design, especially for high-voltage applications.
https://t.co/NIbuiezzLi

[PCEA Printed Circuit Engineering Association @PCEAssociation]

Our January edition is now available https://t.co/X77bxAadj7 – check out this month's coverage on #PCBdesign #PCBtraces #DfM #DfA #electronicsassembly #stencilprinting #EDA #designcareers #AI #additivemanufacturing #PCBbuying #leanmanufacturing

Brought to you by @PCEAssociation.

[San Francisco Circuits @sfcircuits]

Explore High-Speed Circuit Design with tips for speeds from 1MHz to gigabit levels and advanced signal integrity techniques. Optimize your PCB layouts for I2C, PCIe, and Ethernet.
Learn more: https://t.co/8PHO7HCpw8

[San Francisco Circuits @sfcircuits]

New! Just added to our PCB Material Reference Guide - a section on Flex materials:
Differences between Flexible Polyimide, Rigid Polyimide, and FR4
Read it here: https://t.co/wGXJFsMLTG

[San Francisco Circuits @sfcircuits]

New in PCB School: PCB Line Spacing: A Comprehensive Breakdown for High Voltage Applications. As PCBs become more complicated, more precise measurements and spacing are required. This article explains PCB line spacing, tracing, clearance, and creepage.

https://t.co/00MBhcLLQW

[Unmanned Systems Technology @UnmannedSystem]

.@sfcircuits takes an in-depth look at Via Tenting, the practice of using a soldermask layer to cover the via holes on a Printed Circuit Board (PCB).

Learn more: https://t.co/aSYauj97jp

#circuitboard #engineering #tech #circuit

[San Francisco Circuits @sfcircuits]

Tenting vias with a soldermask layer, or leaving them untented, has its own set of advantages & disadvantages that designers should consider for each project. 

Check out our new article on Via Tenting Principles in PCB design here: https://t.co/lW4pe0Oxx3 

#PCBdesign

[San Francisco Circuits @sfcircuits]

Video of Component Mount on PCB by Reflow Soldering Oven

Read more about Reflow Soldering: https://t.co/1r3RS2Qypd

[San Francisco Circuits @sfcircuits]

New! The Essential Guide to PCB Assembly Drawings: Understanding Polarities, Pin1 Marking, and Anode/Cathode Markings

https://t.co/Qmcvx1uokf

[San Francisco Circuits @sfcircuits]

Check out the new capabilities page on our website dedicated to PCB reflow soldering. 🛠️ Dive into the entire process, pitfalls+considerations, plus common issues that can arise when done without the proper processes. Check it out here: https://t.co/CDtGDK5Xvc
#PCBAssembly

[San Francisco Circuits @sfcircuits]

San Francisco Circuits CEO Alex Danovich was interviewed by @Sustainmenttech & @companyweek where he discusses what led him to start SFC, why customers keep coming back after trying other PCB service providers, and more.
https://t.co/b0dq1tvgHV

Profile by @sarahbrodsky