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7BB-35-3C Datasheet(PDF) 25 Page - Murata Manufacturing Co., Ltd. |
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7BB-35-3C Datasheet(HTML) 25 Page - Murata Manufacturing Co., Ltd. |
25 / 35 page Piezoelectric Sound Components Piezoelectric Ringers (PIEZORINGER r) As the result of rapid development of ICs in telephones, demand for piezoelectric sounders as telephone ringers has also rapidly increased. To effectively satisfy this rising demand, Murata provides a suitable piezoelectric sounder called "PIEZORINGER" with the following features. c Features 1. Extremely clear sound 2. Since it is voltage driven, the power consumption is negligible. 3. It can be driven directly from ICs. 4. Thin and lightweight 0.4 R18.5 120˚ (in mm) Tol.: ±0.5 Part Number PKM33EPH1201C PKM33EPH1202C 5.0 0 33 +0 –0.4 PKM33EPH1201C ø34.5 3.3 40.0 46.0 ø2.8 (in mm) Tol.: ±0.5 PKM34EWH1101C/1201C 61.0 52.0 2–ø3.5 (in mm) Tol.: ±0.5 PKM44EWH1001C Pin Type Part Number Sound Pressure Level (dB) Sound Pressure Level (Ref. only) (dB) Operating Voltage Range Capacitance (nF) Operating Temp. Range (°C) Storage Temp. Range (°C) PKM33EPH1201C 68 min. [30Vp-p,1.2kHz,square wave,1m] 65 min. [1Vrms,1.2kHz,sine wave,10cm] 40.0Vp-p max. 40.0 ±30% [120Hz] -20 to +70 -30 to +80 P37E.pdf Feb.1,2012 23 !Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please review our product specifications or consult the approval sheet for product specifications before ordering. 6 Lead Wire Type Part Number Sound Pressure Level (dB) Sound Pressure Level (Ref. only) (dB) Operating Voltage Range Capacitance (nF) Operating Temp. Range (°C) Storage Temp. Range (°C) PKM34EWH1101C 70 min. [30Vp-p,1.1kHz,square wave,1m] 60 min. [1Vrms,1.1kHz,sine wave,10cm] 40.0Vp-p max. 40.0 ±30% [120Hz] -20 to +70 -30 to +80 PKM34EWH1201C 70 min. [30Vp-p,1.2kHz,square wave,1m] 60 min. [1Vrms,1.2kHz,sine wave,10cm] 60.0Vp-p max. 32.0 ±30% [120Hz] -20 to +70 -30 to +80 PKM44EWH1001C 75 min. [30Vp-p,1kHz,square wave,1m] 70 min. [1Vrms,1kHz,sine wave,10cm] 30.0Vp-p max. 68.0 ±30% [120Hz] -20 to +70 -30 to +80 |
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