Changzhou Ruitian Electronics Co., Ltd.

Products

Piezoelectric buzzer

FT-20T-4.0A1


Detail

Part Number


FT-20T-4.0A1

Resonance Frequency

kHz

4.0±0.5

Resonance Impedance

Ω

≤300

Free Capacitance

pF

25000 ±30% (at 100Hz)

Coaxial degree

mm

0.6

Insulation Resistance

≥100 (at50V DC)

Input Voltage

Vp-p

<30

Operating Temperature

-20 ~ +70

Storage Temperature

-30 ~ +80

Metal Plate Diameter

D--mm

20±0.2

Ceramic Disc Diameter

d--mm

15±0.5

Metal Plate Thickness

t--mm

0.14±0.02

Total Thickness

T--mm

0.26±0.03

Metal Material


Brass

SHAPE:

QQ截图20220213212038.jpg