The Industry's Smallest* Zener Diodes

Ultra-compact 0402 size contributes to smaller sets

Kyoto/Japan, Willich-Münchheide/Germany, (PresseBox) - ROHM recently announced the development of the 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.

In October of 2011 ROHM introduced the smallest chip resistors on the market, in the 03015 size, which represented a significant breakthrough. The same proprietary ultra-precision technology was used for diode production, along with an original chip device structure and ultra-fine process technology, resulting in an ultra-compact, ultra-thin form factor that maintains the same electrical characteristics as conventional 0603-size products. ROHM will first offer Zener diodes in the 0402 size, then expand to include Schottky barrier diodes and other diode products.

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

Key Features
1) Original process technology results in the industry's smallest package size: 0402 (0.4mmx0.2mm)
2) Dimensional precision improved significantly, from ±20μm to ±10μm
3) Gold electrode surface enhances solder wettability and reliability

*ROHM October survey

ROHM Semiconductor GmbH

ROHM Semiconductor is a global company of 304,6 billion yen (3,8 Billion $) revenue with 21,300 employees in the last fiscal year ending March 2012. ROHM Semiconductor develops and manufactures a very large product range from the Ultra Low Power Microcontroller, Power Management, Standard ICs , SiC Diodes, Mosfets and Modules , Power Transistors and Diodes, LEDs to passives components such as Resistors, Tantalum Capacitors and LED display units, thermal Printheads in state-of-the-art manufacturing plants in Japan, Korea, Malaysia, Thailand, the Philippines, China and Europe.

Lapis Semiconductor (former OKI Semiconductor), SiCrystal AG and Kionix are companies of ROHM Group.

ROHM Semiconductor Europe has its head office near Dusseldorf serving the EMEA region (Europe, Middle East and Africa). For further information please contact www.rohm.com/eu

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