The Industry's Smallest* Transistor Package

Ultra-compact VML0806 package contributes to increased miniaturization and improved performance in smartphones

Kyoto/Japan - Willich-Münchheide/Germany, (PresseBox) - ROHM Semiconductor recently announced the development of the smallest transistor package on the market optimized for thin, compact portable devices. The VML0806 measures just 0.8mm×0.6mm, with a height of only 0.36mm.

As portable devices such smartphones and digital cameras get smaller and more sophisticated, thinner, more compact components are required. However, until now, problems related to internal element miniaturization, bonding stability, package process accuracy, and surface mount technology limit the smallest conventional transistors to the 1006 size (1.0mm×0.6mm, t=0.37mm).

ROHM was able to overcome these challenges by utilizing a smaller element and high-precision package process technology, resulting in an unprecedentedly compact form factor. In addition, optimized external and terminal dimensions improve mountability while facilitating mass production.

ROHM will initially offer this new package for small-signal MOSFETs, reducing mounting area and thickness by 67% and 28%, respectively, compared with conventional 1212-sized (1.2mm×1.2mm, t=0.5mm) products while still maintaining characteristics and performance. Future implementations will include bipolar and digital transistors, which are expected to contribute to end-product miniaturization and higher-density designs for circuit applications of all types.

Key Features
- Industry-small size minimizes mounting area - Compared to the smallest conventional small-signal transistor available (1212 size: 1.2mm×1.2mm, t=0.50mm), mounting area is reduced 67% and thickness 28%.
- Bottom-terminal design supports high-density mounting
- Reduced MOSFET ON resistance - Low ON resistance (2.6Ω) is enabled in an ultra-compact form factor.

ROHM Semiconductor GmbH

ROHM Semiconductor is a global company of 304,6 billion yen (3,8 Billion $) revenue with 21,295 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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