Part No.: FT-4800
Resonance Frequency (kHz) : 3.2±0.5
Resonance Impedance(Ω)≤500
Capacitance(pF) 30000±30%
Dielectric Loss ≤5%
Input Voltage (Vp-p) ≤30
Operating Temperature(℃) -20~+70
Storage Temperature(℃) -30~+80
Metal Material Brass
Metal Plate Diameter(mm) D=φ31.8±0.2
Ceramic Disc Diameter(mm d=φ30±0.5
Metal Plate Thickness(mm) t=0.1±0.02
Total Thickness(mm) T=0.6±0.05
Diâmetro 31.8milímetros elemento cerâmico piezo de lado duplo verde com diafragma de 48milímetros
3.2±0.5
140
Ø30.0
0.1
What glue is used to bond piezo buzzer element?
The glue applied to the piezo diaphragm on the security alarm is generally UV glue, but the glue combined with epoxy + acrylic acid comes out, which can replace UV glue with high toughness and can withstand 260 ℃ high temperature for 10 seconds and 120 ℃ for 90 min
It is a kind of epoxy adhesive with high heat resistance, moderate curing strength, high impact resistance, and high humming resistance; It has toughness, impact resistance, displacement resistance and ultra-low linear expansion coefficient, excellent temperature resistance and simple operation.
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