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PCB Knowledge

Practical explanations of PCB design, fabrication, assembly and testing.

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PCB Knowledge02

PCB Ruler: A Comprehensive Guide

What is a PCB Ruler? A PCB ruler is a functional tool made from the same materials as a printed circuit board (PCB). Typically crafted from FR4 (a flame-retardant fiberglass epoxy), it features copper traces, measurement scales, and reference charts etched directly onto its surface. Unlike traditional rulers, PCB rulers

March 26, 2025Read  →
PCB Knowledge03

Thermal Vias: A Comprehensive Guide for PCB Heat Management

Why Heat Management Matters in PCBs Before diving into thermal vias, let’s understand why heat is such a big deal: Component Reliability: High temperatures degrade semiconductors, capacitors, and other parts. For example, every 10°C rise can halve a component’s lifespan. Performance: Heat increases electrical resistance, leading

March 26, 2025Read  →
PCB Knowledge04

PCB Testing Guide: Everything You Need to Know

This guide will walk you through the essentials of PCB testing, including why it matters, common testing methods, step-by-step processes, and best practices to ensure your boards work flawlessly. Why PCB Testing Matters PCB testing isn’t just a box to check—it’s a safeguard. Here’s why it’s non-negotiable:

March 26, 2025Read  →
PCB Knowledge05

What Is A Rogers PCB?

If you’ve ever used a smartphone, connected to Wi-Fi, or marveled at satellite communication, you’ve indirectly interacted with a technology that relies on specialized printed circuit boards (PCBs).  Among these, Rogers PCBs stand out as a critical component in high-performance electronics. But what exactly are they, and why do engineers

March 11, 2025Read  →
PCB Knowledge06

Through-Hole (TH) Technology: An Ultimate Guide

What is Through-Hole Technology? Through-Hole Technology (THT) involves mounting electronic components onto a PCB by inserting their leads through drilled holes and soldering them to pads on the opposite side. This method, which predates SMT, was the industry standard until the 1980s. While SMT now dominates mass production, THT

February 25, 2025Read  →
PCB Knowledge07

PCB Assembly Process: A Comprehensive Guide

What is PCB Assembly? PCB assembly (PCBA) is the process of mounting and soldering electronic components onto a printed circuit board. This transforms a bare board into a functional unit ready for integration into devices. The complexity of PCBA depends on the design, component types, and application requirements. Whether it’s

February 25, 2025Read  →
PCB Knowledge08

PCB Potting: The Ultimate Guide in 2025

PCB potting is an interesting and important process that helps protect electronic components from damage. Whether you’re working on a hobby project or a professional electronic device, understanding PCB potting can help you make better choices for your products. Let’s dive into what PCB potting is, why it

January 14, 2025Read  →
PCB Knowledge09

PCB Thickness: Everything You Need to Know

PCB thickness is a crucial aspect of printed circuit board design and manufacturing that impacts board performance, durability, and compatibility. Understanding the factors that influence PCB thickness and how to choose the right thickness for your application is essential for successful electronics projects. This comprehensive guide will explore

October 8, 2024Read  →
PCB Knowledge10

SMT Stencil: A Comprehensive Guide

Surface Mount Technology (SMT) has revolutionized the electronics manufacturing industry, enabling the production of smaller, more efficient, and cost-effective printed circuit boards (PCBs). At the heart of this process lies the SMT stencil, a crucial tool that ensures precise and consistent application of solder paste onto PCB pads. This comprehensive

October 8, 2024Read  →
PCB Knowledge11

Latching Relays: A Complete Guide

Latching relays are specialized electromechanical devices that maintain their switched position even after the control signal is removed. This unique characteristic makes them invaluable in various applications where power conservation and state retention are crucial. In this comprehensive guide, we’ll explore the intricacies of latching relays, their types, working principles,

October 8, 2024Read  →
PCB Knowledge12

Trends and Challenges in PCB Manufacturing for 2024

As we move into 2024, the printed circuit board (PCB) manufacturing industry continues to evolve rapidly, driven by technological advancements and changing market demands. This article explores the key trends and challenges shaping PCB manufacturing in the coming year, with insights from industry leaders like PCBPit.com. Advanced

June 23, 2024Read  →
PCB Knowledge13

What is PCB in AC?

Air conditioning has become an essential part of our daily lives, providing comfort and a conducive living environment regardless of the weather conditions outside. At the heart of every air conditioner’s efficient operation lies a crucial component known as the Printed Circuit Board (PCB). This article delves into what PCB

March 14, 2024Read  →
PCB Knowledge14

What Is an SMT Line? An Ultimate Guide

Surface Mount Technology (SMT) has transformed the electronics manufacturing industry by enabling the mass production of high-quality, compact devices. At the heart of this revolution lies the SMT line, a sophisticated assembly setup designed to accurately place and solder electronic components onto the surface of printed circuit

March 13, 2024Read  →
PCB Knowledge15

What Is Solder Bridge? An Ultimate Guide

Soldering is a fundamental skill in the electronics manufacturing and repair industry, serving as the backbone for creating durable and reliable connections between components. However, even the most experienced technicians can encounter a common issue known as a solder bridge. This guide delves into what solder bridges are,

March 13, 2024Read  →
PCB Knowledge16

What Is Solder Flux? A Comprehensive Guide

In the intricate world of soldering, whether it’s electronics assembly or intricate metalwork, solder flux plays a pivotal role that often goes unnoticed by the uninitiated. This essential substance is crucial for achieving clean, reliable solder joints, which are fundamental to the functionality and longevity of electronic devices

March 13, 2024Read  →
PCB Knowledge17

What is LED PCB: An Ultimate Guide

What is LED PCB? Understanding LED PCB An LED PCB is specially designed to support and connect LED components in various electronic devices. Unlike traditional PCBs, LED PCBs are engineered to manage the higher heat output of LEDs, ensuring optimal performance and longevity. They are pivotal in enabling the efficiency and reliability of LED lighting

March 8, 2024Read  →
PCB Knowledge18

Bare PCB Board: Everything You Must Know

Introduction to Bare PCB Boards A bare PCB board is a piece of material—typically fiberglass or composite epoxy—laminated with conductive pathways, pads, and other features etched from copper sheets. These boards provide the physical platform for mounting and interconnecting electronic components like resistors, capacitors, and integrated circuits through

March 8, 2024Read  →
PCB Knowledge19

PCB Plating: A Comprehensive Guide

Printed Circuit Boards (PCBs) are the backbone of electronic devices, providing electrical connections and mechanical support for various components. A critical aspect of PCB manufacturing that significantly influences its performance, durability, and functionality is plating. PCB plating involves the coating of the board’s surface and its holes with a metal

March 8, 2024Read  →
PCB Knowledge20

PCB Photoresist: Everything You Have to Know

In the intricate world of Printed Circuit Board (PCB) manufacturing, the use of photoresist plays a pivotal role in defining the pathways that form the heart of electronic devices. This article unfolds the layers of PCB photoresist, exploring its types, how it’s applied, and why it’s indispensable in

March 8, 2024Read  →
PCB Knowledge21

Battery PCB: A Comprehensive Guide

Understanding Battery PCBs A Battery PCB is a specialized type of printed circuit board designed to integrate with and manage battery systems. It hosts the electronic components and circuitry necessary for charging, discharging, and overall management of the battery pack, ensuring optimal performance and longevity. These PCBs are critical in

March 7, 2024Read  →
PCB Knowledge22

What is Wiring Harness Assembly?

In the intricate world of electrical systems, the wiring harness assembly stands out as a fundamental component that plays a critical role in the efficient and organized transmission of electrical power and signals. This article delves into the nuances of wiring harness assembly, offering insights into its definition, components, types,

March 6, 2024Read  →
PCB Knowledge23

PCB Glue: An Ultimate Guide in 2024

In the world of electronics manufacturing, Printed Circuit Board (PCB) assembly plays a pivotal role in ensuring the durability and functionality of electronic devices. As technology continues to evolve, the materials and methods used in PCB assembly also advance. One such critical component in the assembly process is

March 6, 2024Read  →
PCB Knowledge24

What is Ball Grid Array (BGA) on a PCB Board?

In the intricate world of electronics, the evolution of packaging technologies has been pivotal in the miniaturization and performance enhancement of circuit boards. Among these technologies, Ball Grid Array (BGA) stands out as a game-changer in the realm of Printed Circuit Board (PCB) design and

February 29, 2024Read  →
PCB Knowledge25

Understanding PCB Teardrops: A Comprehensive Guide

What are PCB Teardrops? PCB teardrops are small, teardrop-shaped enlargements at the junction where a track (or trace) meets a pad or via on a circuit board (see Figure 1). These are not randomly placed but are carefully designed to enhance the physical and electrical connection between these components.

January 30, 2024Read  →
PCB Knowledge26

What Are PCB Gold Fingers?

What is PCB Gold Finger? Printed Circuit Boards (PCBs) are the backbone of most electronic devices, connecting components with a series of electrical paths. One crucial but often overlooked component is the PCB Gold Finger. These gold-plated connectors play a vital role in ensuring reliable and efficient connections between the PCB and other components. The

January 29, 2024Read  →
PCB Knowledge27

Why are Printed Circuit Boards Green?

Printed Circuit Boards (PCBs) are the unsung heroes of the modern electronics industry. They play a vital role in almost every electronic device we use today, from smartphones to laptops, and even the most complex supercomputers. But have you ever wondered why PCBs are typically green in color? It’s

January 29, 2024Read  →
PCB Knowledge28

What is Cavity PCB?

Printed Circuit Boards (PCBs) are the foundation of electronic devices, providing a platform for components to be connected and integrated. Cavity PCBs, also known as recessed PCBs, refer to a specific type of PCB design that incorporates cavities or cutouts that do not completely penetrate the board. These cavities create recessed

January 24, 2024Read  →
PCB Knowledge29

What are Mounting Holes?

Understanding Mounting Holes in PCBs Mounting holes are a fundamental aspect of printed circuit boards (PCBs). They are drilled through the PCB to facilitate mounting the board to a chassis or enclosure. These holes are typically larger than other holes on the PCB and are strategically located, often at the board’s

January 17, 2024Read  →
PCB Knowledge30

What is a Backplane PCB?

A backplane PCB (Printed Circuit Board) is a crucial component in modern electronics, acting as the backbone for connecting multiple electronic devices within a system. Its primary function is to provide a central interface, facilitating communication and data transfer among various components or subsystems. Design and Architecture Backplane PCBs

January 17, 2024Read  →
PCB Knowledge31

Everything You Need to Know About Stitching Vias

When it comes to designing printed circuit boards (PCBs), one essential concept to understand is stitching vias. These tiny holes play a crucial role in ensuring your PCB works correctly. In this article, we’ll cover everything you need to know about stitching vias, from what they are

December 28, 2023Read  →
PCB Knowledge32

What is PCB Tombstone? Exploring the Common Manufacturing Defect

What is PCB Tombstone? When it comes to electronic devices and circuit boards, precision and reliability are paramount. Any deviation from perfection in the manufacturing process can lead to performance issues or even complete system failure. One such manufacturing defect that can plague printed circuit boards (PCBs) is known as “PCB Tombstone.” In this article,

December 28, 2023Read  →
PCB Knowledge33

What Are PCB Stiffeners?

PCB stiffeners act as additional components applied to circuit boards, which aren’t part of the core PCB design. They play vital roles in bolstering particular regions of the PCB and streamlining the board’s handling process. Stiffeners bolster the robustness of PCBs to combat various operational and manufacturing difficulties. In instances involving

December 28, 2023Read  →
PCB Knowledge34

What is In-Circuit Testing (ICT)?

In-Circuit Testing (ICT) is a pivotal method for ensuring the functionality of electronic components and connections on printed circuit boards (PCBs) early in the production process. ICT employs specialized testing machinery with probes to measure parameters like resistance, capacitance, and inductance, as well as detect shorts. It verifies correct component

December 28, 2023Read  →
PCB Knowledge35

Understanding PDN Fundamentals in Circuit Board Design

Understanding PDN Fundamentals in PCB The consequences of a poorly designed PDN are significant, ranging from intermittent issues to complete system failures. We invite you to peruse the information we’ve compiled on this subject. Join us as we explore the crucial aspects of PDN design in PCBs through our guide. The Significance of PDN in

December 22, 2023Read  →
PCB Knowledge36

What Is PCB Insertion Loss?

PCB Insertion Loss What Is PCB Insertion Loss? “Insertion loss” commonly denotes the diminution of signal intensity occurring as the signal traverses through the components and cabling at the system level, as well as the traces on printed circuit boards (PCBs) within systems operating at high speeds of 3GHz or more, including optical fibers and

December 22, 2023Read  →
PCB Knowledge37

What Is Thieving In PCBs?

| PCBPit Copper thieving refers to the strategic inclusion of non-functional copper geometries, such as dots, squares, or continuous planes, to areas of a PCB’s surface which lack copper features. This additional copper serves to balance the overall distribution without being electrically connected to the circuit, ensuring it does not

December 21, 2023Read  →
PCB Knowledge38

What Is A Rigid-Flex PCB

? Rigid-Flex PCBs are the synergy of flexible and rigid circuit technologies, creating boards that incorporate attributes of both in a single application. These hybrid boards typically merge several flexible circuit layers with one or more rigid boards, which are combined either inside or on the exterior, as dictated by the

December 14, 2023Read  →
PCB Knowledge39

Via in PCB Pad | PCBPit

What Is Via in Pad? In the ever-evolving landscape of electronic devices, which are becoming smaller, more complex, and carry an increased functionality demand, PCBs are obliged to facilitate greater routing densities. To address this need, the via-in-pad design is frequently utilized. This approach positions a via directly beneath

December 8, 2023Read  →
PCB Knowledge40

What are PCB Pads?

| Understanding Types of PCB Pads What Is A PCB Pad? A PCB pad refers to the exposed copper area on a circuit board, where the component lead is soldered. All electrical connections of the components are established through the pads. The design and placement of pads play a critical role

December 1, 2023Read  →
PCB Knowledge41

What is a PCB?: A Detailed Illustration

What is a PCB? A printed circuit board (PCB) is an essential component in electronic assemblies, providing mechanical support for electronic components and facilitating electrical connections between them. The intricate design of PCBs involves the use of copper conductors to create various features like traces, pads, and conductive

November 26, 2023Read  →
PCB Knowledge42

What is a PCB Fiducial Mark?

Introduction to PCB Fiducial Mark Fiducial marks play a crucial role in PCB assembly, functioning as reference points for automated machines and ensuring precise placement of components on the board.  These marks, usually in the form of circular pads surrounded by clearance areas, are detected by computer vision systems,

November 26, 2023Read  →
PCB Knowledge43

Types of Circuit Boards: Ultimate Guide to PCB Boards

Understanding Circuit Boards Demystifying the world of electronics might feel like attempting to decode an alien language. But once you explore the basics, it becomes less daunting and more intriguing—much like unraveling a complex, interesting puzzle. Among the fundamentals of electronics, one stands out—Printed Circuit Boards

November 24, 2023Read  →
PCB Knowledge44

What is SMT Assembly?: A Must-read Guide

What Is SMT Assembly? The escalating complexity and downsizing of modern electronic designs have seen an increase in reliance on surface mount technology. Post the 1980s, this technology gained domination over printed circuit board (PCB) assembly in electronics manufacturing—and rightfully so. Your smartphone, regardless if it’s an iPhone

November 24, 2023Read  →
PCB Knowledge45

What is a Flex PCB?: A Comprehensive Guide

Introduction Flexible printed circuit boards (PCBs), commonly referred to as flex circuits, offer unique capabilities beyond traditional rigid PCB technologies. Their flexible construction allows them to bend, fold, and flex dynamically in use, making them essential in modern electronic devices and products due to increasing miniaturization and

November 23, 2023Read  →
PCB Knowledge46

What Is A PCB Via?

: An Ultimate Guide Introduction In the engineering world, particularly in the design and manufacturing process of multi-layer Printed Circuit Boards (PCBs), the term “via” has become widespread and essential. A via, a Latin word which means “way”, forms an integral part in the functionality of PCBs. Specifically, it forms the

November 23, 2023Read  →
PCB Knowledge47

PCB Manufacturing Process — A Comprehensive Guide

Understanding PCB Manufacturing Process Essential to all major electronic devices, Printed Circuit Boards (PCBs) are found in an array of digital products, including simple items like clocks, calculators and such. For those unfamiliar, PCBs control electrical signals within electronic products to meet the device’s electrical and mechanical circuit

November 3, 2023Read  →