3B20+3.87TSA 20mm Thin self drive Piezo Diaphragm Piezoelectric Ceramic Element

3B20+3.87TSA 20mm Thin self drive Piezo Diaphragm Piezoelectric Ceramic Element      PIEZO ELEMENT SPECIFICATION  

Customer: Navion				Part No:
Product: Piezoelectric elements				SWT Part No: 3B20+3.8TSA
Configuration
Appearance and dimension: see the drawing
Material				Piezoelectric
Configuration				1:plane√            2:discal
Electrode form				A: fullness         B: feedback√
Metal material				B: brass √  S: stainless steel  N: nickel
Electrical specification
Resonant frequency (kHz)				Fs=3.8±0.5
Resonant impedance  (Ω)				Rr≤500Ω
Main electrode static capacity (NF)				CM =21±30%
Feedback electrode static capacity (NF)				CF =2.6±30%
Standard Test Conditions				Temperature:25±1℃ Humidity :45%~75% Air Pressure:86~106kPa
Operating temperature (℃)				-20~+70
Storage temperature (℃)				-30~+80
Piezoelectric elements  Manual Soldering process			Soldering  Parameter
			Temp.(℃)		Time(Sec.)	Times
Lead Free		silver electrode	300±10		2 second or less.	1~2
		metal plate	320±10		3 second or less.	1~2
Solder Dot:   Diameter MAX 3.0mm,   High MAX 1.5mm,  Soldering sequence:   1, silver electrode      2, metal plate

  Our Services   FAQ   Company Information SWT provides high quality products with competitive prices, short lead time and considerate service. We have won the favor and recognition of many famous customers. SWT company was established in 1991. We are a professional enterprise specialized in researching, producing and selling various piezoelectric components, including piezoelectric ceramic elements, buzzers, atomizers, ultrasonic transducers, piezoelectric actuators, sensors, SAW touch panel, alarm siren and micro speakers. Our monthly output is 35 million pieces.  Nowadays, we have over 500 employees, a 24,000-square-meters manufacturing plant, and 300 sets of testing facilities and instruments, involving large scale automatic tunnel furnaces.  OEM&ODM are also welcome!


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