datasheets.com EBN.com EDN.com EETimes.com Embedded.com PlanetAnalog.com TechOnline.com   UBM Tech
UBM Tech

Components & Packaging

Rich Pell
Editor
A resource and community for engineers involved in the design, selection and application of electronic components and hardware, including resistors, capacitors, inductors, transistors, diodes connectors, switches, relays, cabling, IC and system packaging, enclosures, circuit protection devices and thermal management. The Center includes in-depth technical design articles, blogs, regulatory and industry updates, technical papers, webinars, product updates and reviews, design ideas, forums, commentary and Q&A.

Remembrance of chips past

A look at some ICs from a kinder, simpler time. Read More...

Piling functionality and its impact on packaging manufacturing and reliability

Packaging engineers must understand the dynamics of development, qualification, and HVM of FCBGA packages to keep pace with the ever-changing demands of industrial and automotive applications. Depending on the approach, the drive for higher performance can lead packaging engineers to either great rewards or great pains. Read More...

Guarding chips against "electric floods"

Composed of minute charged particles, electrical current naturally flows from the higher voltage to lower; like a river flowing from the mountains to the sea. Read More...

Product how-to: Selection of reliable, small form-factor passives for medical devices

Learn about some of the factors to consider when selecting tiny hybrid & PCB-capable passives for medical designs. Read More...

Embedding components within PCB substrates

Embedding components within a PCB substrate offers a range of benefits in terms of space and performance. But this alternative approach to product design demands support from the entire supply chain, including EDA vendors. Read More...

The Invention and Evolution of The World’s Most Precise Resistor

In 1962, the physicist Dr. Felix Zandman, world-renowned for his work in stress analysis, took his ideas for uniquely isolated strain gages and applied them to the electronics industry with the introduction of the most precise and stable resistor ever developed. Read More...

The Circuit Designer's Companion: Grounding and wiring

Part 1 of an excerpt from the book "The Circuit Designer's Companion, 3rd Ed." begins a look at grounding: when to consider it, how chassis materials affect it, and the problem of ground loops. Read More...

Linearize thermistors with new formula

Optimize thermistor performance at any preferred temperature. Read More...

Battery & connector diversity: Sensible design, or casual engineering?

Whether your power comes via an AC/DC adapter plug or button cell, there are so many slightly different ones in use, with the result of often needless frustration. Read More...

The last half-century: Wirewound resistors Part two

In Part one of this two-part article we left off just as the investigation began for a flaw in the Navy’s Trident I, Mark 5 program possibly related to the construction of some precision resistors. This article starts with the examination of spools of Moleculoy. Read More...

LVPECL terminations - A circuit approach

Looking at LVPECL terminations from a circuit perspective shows how the important factors, output transistor currents and minimizing component count and power, account for the LVPECL termination topologies and component values of common terminations. Read More...

Create resistor ratios with this spreadsheet

The age old problem of finding a resistor pair in a desired ratio is solved by this ingenious spreadsheet tool. Read More...

PCIe and storage devices get connected

SATA Express and NVM Express now use PCI Express as a physical layer to connect to SSDs, which include new connectors. Read More...

Embedded scanning: The next step in ESD detection

By building ESD detectors right into a chip, the device can report when it encounters ESD and its severity. Such capability lets you find out what system-level ESD can do to a device. Read More...

The last half-century: Wirewound resistors Part one

Pettis gives a little behind the scenes look regarding this paper: “Initially, when this paper was written, it was intended mainly as a record of the resistor industry’s attempts at making as good a resistor as possible. Over time, we gradually changed it into the paper it is today. Read More...

Gross causes of PCB failures

Michelle Woolley shares examples of cleanliness issues found at the factory and in the field that were discovered during her work in failure analysis. Read More...

>> SEE ALL

Design Notes: Matched Resistor Networks for Precision Amplifier Applications

The actual performance of precision amplifiers and ADCs is often difficult to achieve since data sheet specifications assume ideal components. Carefully matched resistor networks can enable precision matching orders of magnitude better than discrete components, ensuring data sheet specifications are met for precision ICs. Read More...

Circuit's RMS output is linearly proportional to temperature over wide range

In this design idea the concept of the p-n diode driven at constant current is extrapolated, potentially eliminating voltage references and op amps. The result is a unique implementation of a simple but highly accurate temperature proportional circuit. Read More...

Photo meter assesses ambient light

When most PN-junction diodes are reverse biased, they will produce a small photovoltaic output as the light level is increased. Read More...

Quasistatic Spice model targets ceramic capacitors with Y5V dielectric

Run more accurate Spice simulations by accounting for the capacitance variation versus applied voltage. Read More...

Complementary-pair dc/dc converter simultaneously doubles, inverts supply voltage

Change a single positive supply into twice its positive and equal negative voltages. Read More...

Obtain a gain of 450 from one vacuum tube

Combine sand (silicon) with vacuum tube technology to get the best of both. Read More...

Simple solenoid driver is adaptable and efficient

Use capacitive reactance to save energy while holding a solenoid in the energized position. Read More...

Read 10 or more switches using only two I/O pins of a microcontroller

Use a decoded counter to easily read one or multiple switch closures. Read More...

Rotary encoder with absolute readout offers high resolution and low cost

This Design Idea attempts to combine the advantages of the potentiometer with the endless operation of the mechanical-optical rotary encoder. Read More...

Technique maximizes converter efficiency

Run a switching voltage regulator from its own low-voltage output after it starts up. Read More...

>> SEE ALL

Power connector provides 60A to backplane line cards

Molex' EXTreme OrthoPower design solves a high-current delivery problem; the orthogonal direct-power connector configuration uses split-blade technology to deliver 60.0A total power to backplane line cards. Read More...

Current transducers measure to 25A, in PCB-mount format

LEM has added to its range a series of open-loop Hall-effect ASIC based devices measuring up to 25A DC, AC or pulsed Read More...

650V IGBTs claim 40% lower turn-off energy losses

ST's HB series of IGBTs claim up to 40% lower turn-off energy losses than competing high-frequency devices while reducing conduction losses by up to 30%. Read More...

Broadband capacitors provide DC blocking over 16 kHz to 40 GHz

GX0S series ultra-broadband capacitors are available with X5R characteristics; they exhibit extremely low insertion loss and excellent return loss Read More...

MOSFETs target high-current motor control and power designs

Texas Instruments’ latest NexFET mid-voltage power MOSFETs include lowest on-resistance 80-V and 100-V devices in TO-220 packages. Read More...

Power film capacitors suit PFC and AC filtering

Featuring a dual safety system, FLB Series capacitors from AVX exhibit high contact reliability, high ripple current, and extremely high dielectric strength, as well as offering higher rated voltages than comparable technologies Read More...

Safety glass comes to automotive display screens

With display screens in cars growing bigger and bigger, the risk of injury through sharp splinters resulting from an accident is rising sharply. Read More...

ST schedules high-temp SiC MOSFETs for volume production

STMicroelectronics will soon begin production of the first in a family of SiC high-voltage MOSFETS with a 200°C rating for more efficient, simplified designs. Read More...

High-power TVS diodes for AC/DC power line applications

Bourns has added to its high power TVS diodes for use in DC bus protection applications. The new models deliver high current bidirectional port protection that meets IEC 61000-4-5 8/20 µsec current surge requirements and are RoHS compliant. Read More...

1.8-mm thin speaker delivers 80 dB

Transducers USA’s piezo ceramic MLCT (Multilayer Ceramic Transmitter) series thin speaker features a unique simple acoustic multi-layer ceramic construction that produces a high output of 80 dB from only 16V. Read More...

Energy harvesting switch is KNX-RF ready

Cherry’s energy harvesting KNX-RF wireless switch module can directly be integrated into switches with customized control units or design-parts and requires no wires or batteries. Read More...

V-Lock compatible power connector integrates 10A fuses

Schurter’s KEA series power entry module, with 1- or 2-pole fuseholder, now mates with V-Lock cord sets. Read More...

It's an oscilloscope and...

Tektronix MDO3000 is an oscilloscope and as many as five other instruments. Now if it only had a power supply. Read More...

Lithium coin cell holder rises only 2mm above PCB

Keystone Electronics offers an ultra-low-profile holder for the #2032 lithium coin cells, rising only 2mm above the PCB surface, yet retaining cells securely under shock and vibration in high-density applications. Read More...

Small robust 650- and 800-V MOSFETs

STMicroelectronics is expanding three of its advanced high-voltage power MOSFET families with the introduction of two new power packages. Read More...

1.0mm-pitch shielded connectors support over 25 Gbps

ERNI Electronics announced that its MicroSpeed high-speed connectors conservatively specified for data rates up to 20 Gbps (differentially), have been proven to 25Gbps data rates (with a -2dB insertion loss and a 5mm board-to-board spacing). Read More...

>> SEE ALL

Currently no Items

Piling functionality and its impact on packaging manufacturing and reliability

Packaging engineers must understand the dynamics of development, qualification, and HVM of FCBGA packages to keep pace with the ever-changing demands of industrial and automotive applications. Depending on the approach, the drive for higher performance can lead packaging engineers to either great rewards or great pains. Read More...

The Circuit Designer's Companion: Grounding and wiring

Part 1 of an excerpt from the book "The Circuit Designer's Companion, 3rd Ed." begins a look at grounding: when to consider it, how chassis materials affect it, and the problem of ground loops. Read More...

LVPECL terminations - A circuit approach

Looking at LVPECL terminations from a circuit perspective shows how the important factors, output transistor currents and minimizing component count and power, account for the LVPECL termination topologies and component values of common terminations. Read More...

Avionics lightning protection design GUI

To select the appropriate components for a lightning protection circuit, the transient experienced during the lightning test must be transformed into the transients used to rate the components, as shown in their datasheets. This paper introduces a free tool that performs these transformations. Read More...

ESD target levels: Impacting ESD from components to systems

The Industry Council on ESD Target Levels can help the industry progress by addressing the semiconductor electronics technology roadmap in parallel with the necessary but realistic ESD roadmap. Read More...

Resistor datasheets: Reading between the lines

Many component datasheets should come with a warning label to the effect that terms such as "tolerance" and "TCR" are being used loosely. Read More...

Connect passive components to logic gates

By adding a few passive components to logic gates, you can make circuits such as level converters, frequency multipliers, phase detectors, line drivers, and pulse changers. Read More...

Resistors aren't resistors

At high frequencies, inductance and capacitance add reactance to what you think of as purely resistive components. Read More...

Bad crimp, bad news

Crimp those connectors properly, using the right equipment, or risk failures - or worse. Read More...

When wires become components

There are some electronic products that just have to be made by hand. Read More...

Resistor combinations: How many values using 1kohm resistors?

How many resistor values can you make using serial and parallel combinations of resistors with a single value? Read More...

BCDMOS evolves to handle wide range of ultra-high-voltage applications

While we have recently witnessed the effectiveness of optimizing DR-LDMOS transistors for breakdown voltages up to 900V for demanding industrial applications, another evolution of this process now enables a broader range of product designs that specify breakdown voltages of only up to 750V. Read More...

New circuit board technologies meet the challenge of digital power

New generations of miniaturised power packages require thermal and electrical pathways into the board. This article gives some background on these developments and presents a design example using a new and innovative printed circuit approach for a 150 - 300A light electric vehicle powerpack. Read More...

Component obsolescence: Is your process up to the challenge? (Part 2)

Obsolete end-of-life (EOL) components can be a challenge for design engineers. Having the right processes in place to deal with them doesn't have to be. Read More...

>> SEE ALL

FEATURED RESOURCES