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October 29, 2012

ROHM Introduces Smallest Zener Diodes

ROHM announced the development of its claimed smallest Zener diodes in the industry ideal for high-density mounting in portable devices such as smartphones. Size is reduced by 55% over conventional 0603-size (0.6x0.3mm) products. The ultra-compact form factor (0.4x0.2mm) contributes to increased miniaturization and sophistication in devices requiring greater compactness and minimal thickness, including mobile phones and digital cameras.

In recent years, the increasing sophistication and functionality of smartphones requires a greater number of components, necessitating ultra-compact parts that support high-density mounting to maintain or even decrease overall set size. Although passive products such as resistors and capacitors are already available in the 0402 size, the smallest discrete products, including transistors and diodes, offered until now are in the 0603 size due to the relatively increased complexity.

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Key Features

Related: Avnet Launches Power Solutions Video Series

* Original process technology results in the industry's smallest package size: 0402 (0.4mmx0.2mm)

* Dimensional precision improved significantly, from ±20µm to ±10µm

Opinion: Intelligent (Active Inverter) Eco-Mode Approach can Provide UPS Efficiency without Availability Concerns

* Gold electrode surface enhances solder wettability and reliability

Availability

Samples are available, OEM quantities will be available as of April 2013

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Design Features

October 22, 2012

Energy Efficiency with Class D Amplifier Modules

Class-D switching amplifiers are helping audio designers create personal multimedia devices and home audio/visual systems that demonstrate how compact and stylish equipment can also deliver high sound quality and high audio output power. The key to this breakthrough, providing freedom from the large and bulky boxes housing traditional audio products, lies in the class-D amplifier’s high energy efficiency, which is typically around 90%. This allows designers to reduce or eliminate heatsinks as well as using smaller-sized PCBs and smaller components such as transformers, connectors and power supplies.

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Design Features

October 8, 2012

The Role of Hall Effect Sensors in Power Distribution Infrastructure

Power distribution units (PDUs) form an essential part of modern computing and data communications hardware. They provide multiple outputs for transferring electrical power with maximum efficiency, controlling the power capacity and safeguarding against the possible causes of supply interruption. With an ever increasing need from tech savvy consumers for higher data throughput and greater quantities of data storage capacity, as well as tough international legislation now governing CO&sub2; emissions, the demands being placed on these units are proving challenging for engineering teams to satisfy.

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Product Focus

August 13, 2012

The Year in AC-DC Power Supply Technology

The past year witnessed significant new product releases, technological developments, and industry news related to the field of AC-DC Power Supply technology.

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