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TDK Electronics Europe
Piezoelectric Receiver RU

Piezoelectric Receiver RU

Product catalog summary

Overview: The document details the specifications and characteristics of the RU series Piezoelectronic Receiver Units, specifically designed for mobile and personal handy-phone systems (PHS). These units are lead type and do not include an oscillation circuit.

Specifications: The RU series features a compact and thin sounding body utilizing a unimorph piezoelectric vibration plate, which is ideal for mobile telephone and PHS use. The design ensures no leakage flux, unlike magnetic types.

Compliance: The units conform to the RoHS Directive (EU Directive 2002/95/EC), ensuring that hazardous substances like lead, cadmium, mercury, hexavalent chromium, and certain bromine-based flame retardants are not used, except in exempted applications.

Applications: These receiver units are suitable for use in cellular and cordless phones, as well as personal handy-phone systems.

Shapes and Dimensions: The document provides detailed dimensions for the RU2334L50N1 and RU2334L50N2 models, with measurements in millimeters.

Electrical Characteristics: Both models, RU2334L50N1 and RU2334L50N2, have a sound pressure level of 108±3 dB, capacitance of 60±30% nF, and a maximum input voltage of 5 Erms(V) [Ep-p:14V]. They operate within a temperature range of -20 to +70°C and a humidity range of 10 to 80% RH.

Sound Pressure vs. Frequency: Graphs illustrate the relative sound pressure levels across various frequencies for both models, highlighting the improved low noise region in the RU2334L50N2 type.

Testing Methods: The document outlines the test setup, including the use of a signal generator, volt-meter, ear-piece artificial (IEC-318), amplifier, recorder, and microphone, with a synchronous signal cable and 1kΩ resistor.

Catalog excerpts

Piezoelectronic Receiver Units Lead type Without oscillation circuit RU series Issue date: • All specifications are subject to change without notice. • Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.

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Receiver Units Lead RU Series Conformity to RoHS Directive FEATURES • Compact, thin sounding body using unimorph piezoelectric vibration plate is best suited for mobile telephone and PHS use. • No leakage flux is expected in contract to magnetic type. APPLICATIONS Cellular and cordless phones, personal handy-phone systems (PHS) Maximum input voltage Erms(V) 5[Ep-p:14V] 5[Ep-p:14V] Operating temperature range (°C) –20 to +70 –20 to +70 Operating humidity range∗ (%)RH 10 to 80 10 to 80 Terminal construction Lead wire Lead wire Without dewing. TYPICAL ELECTRICAL CHARACTERISTICS SOUND PRESSURE vs....

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