March 9, 2012

Integrated Relay Driver from Diodes Incorporated Optimizes Inductive Load Control

Plano, Texas – March 9th, 2012 – By integrating a complete solid-state relay driver into a single, surface-mount package, DRDC3105 from Diodes Incorporated minimizes the PCB footprint, reduces the component count and improves the reliability of inductive load control circuits.

Providing a rugged interface between standard logic and 3V to 6V DC inductive loads, the relay driver is designed to handle relays, solenoids, incandescent lamps and small motors in a wide range of applications.  From a 5V supply rail, DRDC3105 has the capability to drive coils rated at up to 2.5W.

The relay driver is offered in single and dual driver configurations, housed respectively in SOT23 and SOT26 packages, and can replace between 3 and 6 discrete components.  With a Zener diode included across the device’s bipolar transistor output, the need for an external free-wheeling diode is removed, and by clamping at 6.6V the Zener also sinks inductive currents to ground, thereby reducing noise due to EMI.

Integrating robust pre-biased transistor technology delivering high transient isolation between input and output, DRDC3105 will protect sensitive input circuitry and guarantee to put its output into a safe off-state condition when the input is lost or disconnected.  The bipolar’s low saturation characteristic means the device will drive current up to 0.5A through the coil when on and achieve near-zero current consumption in the off-state.

In 10k quantities, the DRDC3105 relay driver is priced at $0.09 USD each for the single driver package and $0.15 USD each for the dual driver package.  For further information visit http://www.diodes.com

PR ref: DI0687

About Diodes Incorporated

Diodes Incorporated (Nasdaq: DIOD), a Standard and Poor’s SmallCap 600 and Russell 3000 Index company, is a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic, and analog semiconductor markets.  Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.  Diodes' products include diodes, rectifiers, transistors, MOSFETs, protection devices, functional specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors; power management devices, including LED drivers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.  The Company’s corporate headquarters, logistics center, and Americas’ sales office are located in Plano, Texas.  Design, marketing, and engineering centers are located in Plano; San Jose, California; Taipei, Taiwan; Manchester, England; and Neuhaus, Germany.  The Company’s wafer fabrication facilities are located in Kansas City, Missouri and Manchester, with two manufacturing facilities located in Shanghai, China, another in Neuhaus, and a joint venture facility located in Chengdu, China.  Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; and Munich, Germany; with support offices located throughout the world.  For further information, including SEC filings, visit the Company's website at http://www.diodes.com.

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