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Bench Talk for Design Engineers

Bench Talk

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Bench Talk for Design Engineers | The Official Blog of Mouser Electronics


Reinventing Overvoltage Protection Bourns
High reliability is paramount in our always on, hyper-connected world. Application downtime or failure runs the gamut from frustrating to incredibly expensive. That is why overvoltage protection remains a consistent requirement.

Keeping the Lights On: ESD and Thermal Protection for LED Lighting Systems TDK Corporation
There are several factors that can affect solid-state lighting including stress, packaging-related, and component-related issues. Discover the key threats that affect the reliability of LED lighting systems.

Pull Up Your Pins: How to Size Pull-up Resistors Mike Parks
Whether to prevent floating I/O pins on an MCU or to provide an interface between two circuits, pull-up resistors are a necessity. But what size resistor should you use?

Protect Embedded Interfaces with These Clamps and Crowbars Bourns
Protecting interface connections from overvoltage conditions and transient events is more important than ever with the proliferation of embedded electronics. Bourns clamp and crowbar protection is effective at protecting circuit interfaces in silicon and ceramic electronic components.

Advanced Ceramic Resistors Yield Higher Power System Density Bourns
Engineers today are asked to design applications with increasing power densities, which directly correspond to the demand for resistors. Leading manufacturers of these mighty passive components are answering current application requirements with new power resistor designs that can tolerate higher amounts of power in small and smaller form factors.

No Sulfur Corrosion Here: Sulfur Resistant Film Resistors Bourns
High sulfur environments play havoc with everything from IT industry server farms and data/storage centers and telecommunication base stations to industrial control equipment and rubber, paper, and oil manufacturing plants. In standard film resistors, their internal silver (Ag) or silver palladium (AgPd) terminal is only protected by the epoxy passivation layer making the device very susceptible to sulfur-based gases. Realizing how sulfur gases can affect the reliability of its film resistors, Bourns developed a specialized Palladium (Pd) layer that removes the chance for corrosion and the formation of silver sulfide.

K-SIM Improves Capacitor Datasheets and Simulates Multiple Parameters KEMET Electronics
Capacitor datasheets are notorious for omitting performance details, typically only including individual performance parameters in each graph or only including "typical" performance of combined parameters. KEMET’s capacitor parameter simulator, called K-SIM, solves this problem by combining multiple parameters into a single graph.

Protect USB Ports From Nefarious “USB Killers" Paul Pickering
USB ports supply both data communications and charging power to portable and wearable devices, so it’s become more and more critical to protect ports against abuse. Fortunately, there are design techniques that reduce power surge risks to USB ports.

Will You Please Be My Heat Sink? Bill Schweber
Any heat sink must undergo an evaluation to consider both the directional flow of the heat it expels (if a temperature differential is sufficient) and other sources that may be using the same cooling zone to expel excess heat. Let’s examine the reason why.

Don’t Ignore Current Sense Resistor TCR Bill Schweber
Unless you are in the milliamp or microamp current range, where any self-heating is acceptably small, a responsible designer must perform an analysis of resistance change using the vendor-supplied data for the temperature coefficient of resistance (TCR).

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