Piezoelectric Elements Piezo Diaphragm for Ultrasonic Tweeter
Product Description
Piezoelectric Elements Piezo Diaphragm for Ultrasonic Tweeter
WuHan Piezohannas Tech.Co .,Ltd is a manufactuer of piezoelectric ceramics ,ultrasonic transducers with strong technology force.With a quality management system and research & development sector,our products are extensively used in most applications.
PIEZO ELEMENT SPECIFICATION
一、Configuration |
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Appearance and dimension: see the drawing |
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Material |
Piezoelectric |
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Configuration |
1:plane√ 2:discal |
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Electrode form |
A: fullness √ B: feedback |
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Metal material |
B: brass √ S: stainless steel N: nickel |
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二，Electrical specification |
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Resonant frequency (kHz) |
Fs=4.0±0.5 |
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Resonant impedance (Ω) |
Rr≤800 |
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Capacitance at 120Hz (nF) |
Co =100±30% |
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Standard Test Conditions |
Temperature：25±1℃ Humidity ：45%～75% Air Pressure：86～106kPa |
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Operating temperature (℃) |
-20～+60 |
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Storage temperature (℃) |
-30～+70 |
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Piezoelectric elements Manual Soldering process |
Soldering Parameter |
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Temp.( ℃) |
Time(Sec.) |
Times |
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Lead Free |
★ |
silver electrode |
300±10 |
2 second or less. |
1~2 |
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★ |
metal plate |
320±10 |
3 second or less. |
1~2 |
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Solder Dot: Diameter MAX 3.0mm, High MAX 1.5mm, Soldering sequence: 1 、 silver electrode 2 、 metal plate |
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Remark: ★Represent important parameter APPEARANCE UNIT：mm
Specification and Test Data