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Toshiba Offers Bidirectional Diodes For ESD Protection For Mobile Phones, Portable Audio Applications And LED Matrices

September 28, 2010

Low leakage, low voltage diodes for electrostatic discharge protection available in three package types


RVINE, Calif., — Toshiba America Electronic Components, Inc., (TAEC)* has added a series of bidirectional diodes in three package types for electrostatic discharge (ESD) protection in mobile phones, portable audio devices and LED matrices. The Toshiba DF2B6.8 series helps protect digital and mobile equipment such as cell phones, smartphones and mobile audio players from electrostatic discharge energy that may be generated from positive or negative signals from displays or audio signals.

ESD Packages

The series of three devices provides a choice of three packages, each with a high bidirectional ESD protection level with a reverse breakdown voltage of 6.8V and high ESD immunity level of + 8kV (min.) @ IEC61000-4-2 (contact discharge). The Toshiba DF2B6.8E is offered in an ESC package that measures 1.6mm x 0.8mm x 0.6mm, and is suitable for LED matrices and exogenous dataline noise rejection. The Toshiba DF2B6.8FS is offered in an fSC package that measures 1.0mm x 0.6mm x 0.48mm, and is targeted for use with LEDs or mobile phone audio lines. For even more space constrained applications, such as portable audio players or audio in thin mobile devices, the Toshiba DF2B6.8CT is offered in an CST2 package that measures 1.0mm x 0.6mm x 0.38mm.

"These low-leakage bidirectional ESD protection devices support AC signals that can be positive or negative, and save space and cost compared to use of two unidirectional diodes," said Talayeh Saderi, business development engineer, RF and small signal devices, for TAEC.

Characteristics

Part Number DF2B6.8E DF2B6.8FS DF2B6.8CT
Package Type ESC fSC CST2
Package Size 1.6 x 0.8 x 0.6mm 1.0 x 0.6 x 0.48mm 1.0 x 0.6 x 0.38mm
Reverse Breakdown Voltage (VR) 6.8V (typ.) @ IR=1mA
Reverse Current (IR) 0.5 m A (max.) @ VRWM=5V
ESD Immunity Level (Min.) =±8kV (min.) @ IEC61000-4-2 ( contact discharge )
Total Capacitance 15pF (typ.) @ VR=0V

Availability

The Toshiba DF2B6.8 series Bidirectional ESD protection diodes are available now. Budgetary pricing begins at $0.05, with volume discounts available.

Application Diagram

Application Diagram

Toshiba's Discrete Products

Since 1986, Toshiba Corp. has ranked as the top discrete supplier on a worldwide basis, based on annual revenue from international shipments of total discrete products. According to the most recent annual report from market research firm Gartner Dataquest (San Jose, CA), Toshiba remained the top discrete semiconductor supplier. (Source: "2009 Worldwide Semiconductor Market Share Report," Gartner, released April 2010). More specifically, Toshiba is a leading supplier in a number of discrete product categories, including power transistors, rectifiers and thyristors, LMOS logic, CMOS logic, photocouplers, Toslinks™, LEDs, small signal diodes and transistors. The company's discrete devices are designed to meet the growing demand for high-performance and lower voltages in today's wireless telecommunications and consumer electronics applications, while emphasizing its strength in the automotive and industrial markets.

*About Toshiba Corp. and TAEC

Through proven commitment, lasting relationships and advanced, reliable electronic components, Toshiba enables its customers to create market-leading designs. Toshiba is the heartbeat within product breakthroughs from OEMs, ODMs, CMs, distributors and fabless chip companies worldwide. A committed electronic components leader, Toshiba designs and manufactures high-quality flash memory-based storage solutions, discrete devices , displays , advanced materials, medical tubes, custom SoCs/ASICs , digital multimedia and imaging products , microcontrollers and wireless components that make possible today's leading cell phones, MP3 players, cameras, medical devices, automotive electronics and more.

Toshiba America Electronic Components, Inc. is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba Corporation, Japan's largest semiconductor manufacturer and the world's third largest semiconductor manufacturer ( Gartner, 2009 WW Semiconductor Revenue, April 2010). Toshiba was founded in 1875, and today operates a global network of more than 740 companies, with 204,000 employees worldwide and annual sales surpassing $68 billion.


Information in this press release, including product pricing and specifications, content of services and contact information, is current and believed to be accurate on the date of the announcement, but is subject to change without prior notice. Technical and application information contained here is subject to the most recent applicable Toshiba product specifications. In developing designs, please ensure that Toshiba products are used within specified operating ranges as set forth in the most recent Toshiba product specifications and the information set forth in Toshiba;'s "Handling Guide for Semiconductor Devices," or "Toshiba Semiconductor Reliability Handbook." This information is available at www.chips.toshiba.com, or from your TAEC representative.

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