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New EPCOS Piezo Actuators from TDK Raise the Bar on Performance

TDK EPCOS Piezo Actuators | In Compliance Magazine

TDK Corporation announced the third generation of EPCOS piezo actuators with copper internal electrodes, which offer both improved performance and higher cost-effectiveness.  These innovative actuators are characterized by outstanding stability and reliability.  They can operate a billion switching cycles without failures at 170° C.  Silver-palladium actuators already exhibit significant failure rates under these extreme conditions.  The new copper piezo actuators set a new standard for operating life.  The maximum number of cycles even under harsh operating conditions such as high temperature and humidity is one of the most important criteria for use of piezo actuators in energy-efficient fuel injection systems for automobiles.

The third generation of EPCOS piezo actuators with copper electrodes is designed with a minimum proportion of inactive zones in the multilayer actuator and is thereby able to achieve the highest possible volume efficiency.  As a result, actuator performance is 20 percent higher than conventional designs of the same size.  The basis for this is a ceramic material newly developed by TDK, whose piezoelectric coupling – conversion of electrical power into mechanical power – is higher than 75 percent.  With this innovative material in combination with volume efficient actuator design, the new copper piezo actuators have a significantly higher performance than predecessor models and competing products.

- Partner Content -

A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part Two

Maxwell’s Equations are eloquently simple yet excruciatingly complex. Their first statement by James Clerk Maxwell in 1864 heralded the beginning of the age of radio and, one could argue, the age of modern electronics.

For more information, visit www.epcos.com.

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