Last Updated on November 23, 2021 by You Ling
We know that lots of electrical products need speakers. Piezo buzzer is a kind of voice for different kinds of electrical product applications. It can be used for the sounding and warning of various electronic products. such as electronic watches, household appliances, electronic toys, instruments and meters, and remote control appliances. It can also be used as an acoustic sensor for voice-controlled electronic products.
Thickness (Resonance frequency) Series:
- Common ( About 0.4mm Thickness)
- Thin (About 0.2mm Thickness)
- Ultra-Thin ( About 0.05mm- 0.1m Thickness)
Piezo Buzzer Shapes Series:
- Wafer
- Semilune
- Oval
- Plate
- Ring
- Others
How do we name the model?
FT 20 T 2.7 A 1
FT Means: Piezo ceramic buzzer disc
20 Means: Out diameter
T Means: T- Copper； G- Stainless steel； H- Iron-nickel alloy
A Means: Electrode shape, A- Full electrode type； B-Negative feedback electrode type
1Means: 1-Plane structure；2-Disc structure
Dimension and Specification :
| Piezo Disc Picture | Model NO. | Frequency （KHz） |
Impedance （Ω） |
Capacitance （pF） |
Plate | Piezo Diameter (mm） |
Ceramic Diameter (mm） |
Total Thickness (mm） |
Piezo Thickness (mm） |
Carton
Size |
Quantity/
Carton |
 |
FT-10H-12.0A1 | 12.0±2.0 | ≤500 | 9000±30% | Ni | φ10.0±0.2 | φ8.0±0.5 | 0.18±0.03 | 0.1±0.02 | 51.5×42×26 | 20 |
|
FT-10H-15.0A1 | 15.0±3.0 | ≤500 | 6000±30% | Ni | φ10.0±0.2 | φ8.25±0.3 | 0.23±0.03 | 0.1±0.02 | 51.5×42×26 | 20 |
 |
FT-10.5T-7.5A1 | 7.5±0.5 | ≤500 | 12000±30% | Cu | φ10.5±0.2 | φ8.0±0.5 | 0.13±0.03 | 0.075±0.02 | 28×15×18 | 30 |
|
FT-11T-8.5A1 | 8.5±1 | ≤500 | 12000±30% | Cu | φ11.0±0.2 | φ9.0±0.5 | 0.17±0.04 | 0.095±0.03 | 28×15×18 | 30 |
|
FT-12T-6.0A1 | 6.0±0.5 | ≤500 | 15000±30% | Cu | φ12.0±0.2 | φ9.0±0.5 | 0.135±0.03 | 0.06±0.02 | 28×15×18 | 30 |
|
FT-12T-8.0A1 | 8.0±1 | ≤500 | 15000±30% | Cu | φ12.0±0.2 | φ9.0±0.5 | 0.19±0.03 | 0.11±0.02 | 28×15×18 | 20 |
|
FT-12T-8.0A1W253 | 8.0±0.5 | ≤500 | 15000±30% | Cu | φ12.0±0.2 | φ9.0±0.3 | 0.19±0.03 | 0.11±0.02 | 37.5×23.5×31.5 | 40 |
 |
LFT-12T-9.0A1W352 | 9.0±0.5 | ≤500 | 12000±30% | Cu | φ12.0±0.2 | φ9.0±0.5 | 0.23±0.03 | 0.12±0.02 | 37.5×27.5×24.5 | 40 |
|
FT-15T-4.0A1 | 4.0±0.7 | ≤500 | 28000±30% | Cu | φ15.0±0.2 | φ12.0±0.5 | 0.14±0.03 | 0.08±0.02 | 30×20×15 | 20 |
|
FT-15T-6.0A1 | 6.0±0.5 | ≤500 | 15000±30% | Cu | φ15.0±0.2 | φ11.0±0.5 | 0.225±0.03 | 0.115±0.02 | 30×20×15 | 20 |
|
FT-20T-3.6A1 | 3.6±0.5 | ≤400 | 20000±30% | Cu | φ20.0±0.2 | φ15.0±0.5 | 0.205±0.03 | 0.1±0.02 | 30.5×18.5×20.5 | 10 |
|
FT-20T-3.9A1 | 3.9±0.5 | ≤400 | 27000±30% | Cu | φ20.0±0.2 | φ15.0±0.5 | 0.24±0.03 | 0.13±0.02 | 30.5×18.5×20.5 | 10 |
|
FT-20T-6.0A1 | 6.0±0.5 | ≤400 | 15000±30% | Cu | φ20.0±0.2 | φ15.0±0.5 | 0.385±0.05 | 0.205±0.03 | 30.5×18.5×20.5 | 10 |
|
LFT-20T-4.0A1W303 | 4.0±0.5 | ≤400 | 20000±30% | Cu | φ20.0±0.2 | φ15.0±0.5 | 0.26±0.05 | 0.15±0.03 | 37.5×23.5×31.5 | 10 |
|
FT-20T-6.5A1W152 | 6.5±0.5 | ≤400 | 15000±30% | Cu | φ20.0±0.2 | φ15.0±0.4 | 0.43±0.05 | 0.2±0.03 | 37.5×23.5×31.5 | 10 |
|
FT-20G-6.4A1 | 6.3±0.8 | ≤1000 | 13000±30% | Stainless Steel | φ20.0±0.2 | φ14.2±0.5 | 0.38±0.05 | 0.2±0.03 | 30.5×18.5×20.5 | 10 |
|
FT-27T-3.2A1 | 3.2±0.4 | ≤400 | 35000±30% | Cu | φ27.0±0.2 | φ20.0±0.5 | 0.36±0.05 | 0.2±0.03 | 43.5×17.5×19 | 3 |
|
FT-27T-4.0A1 | 4.0±0.5 | ≤400 | 20000±30% | Cu | φ27.0±0.2 | φ20.0±0.5 | 0.46±0.05 | 0.24±0.03 | 43.5×17.5×19 | 3 |
|
FT-31T-1.4A1 | 1.4±0.5 | ≤500 | 45000±30% | Cu | φ31.0±0.2 | φ20.0±0.5 | 0.23±0.04 | 0.11±0.02 | 43.5×17.5×19 | 3 |
|
FT-35T-3.0A1 | 3.0±0.3 | ≤500 | 25000±30% | Cu | φ35.0±0.2 | φ25.0±0.5 | 0.56±0.06 | 0.29±0.04 | 29.5×19.5×25 | 1.6 |
|
FT-35G-3.0A1 | 3.0±0.3 | ≤500 | 45000±30% | Stainless Steel | φ35.0±0.2 | φ25.0±0.5 | 0.525±0.06 | 0.3±0.04 | 29.5×19.5×25 | 2 |
|
FT-41T-1.0A1 | 1.0±0.5 | ≤1000 | 70000±30% | Cu | φ41.0±0.2 | φ25.0±0.5 | 0.23±0.04 | 0.11±0.02 | 29.5×19.5×25 | 2 |
 |
FT-12H-6.0B1 | 6.0±0.5 | ≤500 | 13000±30% | Ni | φ12.0±0.2 | φ9.0±0.5 | 0.12±0.03 | 0.05±0.02 | 28×15×18 | 30 |
 |
FT-20T-3.9B1 | 3.9±0.5 | ≤400 | 18000±30% | Cu | φ20.0±0.2 | φ15.0±0.5 | 0.23±0.03 | 0.11±0.02 | 30.5×18.5×20.5 | 10 |
 |
FT-20T-4.0B1-1W372 | 4.0±0.5 | ≤400 | 18000±30% | Cu | φ20.0±0.2 | φ15.0±0.4 | 0.25±0.05 | 0.125±0.03 | 37.5×23.5×31.5 | 10 |
|
FT-20N-3.9B1 | 3.9±0.5 | ≤400 | 19000±30% | Ni | φ20.0±0.2 | φ15.0±0.5 | 0.24±0.04 | 0.1±0.02 | 30.5×18.5×20.5 | 10 |
|
FT-20T-6.5B1 | 6.5±0.5 | ≤400 | 12000±30% | Cu | φ20.0±0.2 | φ15.0±0.5 | 0.4±0.05 | 0.2±0.03 | 30.5×18.5×20.5 | 10 |
|
FT-21T-3.7B1 | 3.7±0.5 | ≤400 | 18000±30% | Cu | φ21.0±0.2 | φ15.0±0.5 | 0.26±0.06 | 0.14±0.04 | 30.5×18.5×20.5 | 10 |
|
FT-27T-3.8B1 | 3.8±0.4 | ≤400 | 18000±30% | Cu | φ27.0±0.2 | φ20.0±0.5 | 0.42±0.05 | 0.205±0.03 | 43.5×17.5×19 | 3 |
|
FT-32T-3.2B1 | 3.2±0.3 | ≤300 | 26000±30% | Cu | φ32.0±0.2 | φ25.0±0.5 | 0.45±0.05 | 0.25±0.03 | 43.5×17.5×19 | 3 |
|
FT-35G-3.25B1 | 3.25±0.3 | ≤300 | 26000±30% | Stainless Steel | φ35.0±0.2 | φ25.0±0.5 | 0.57±0.06 | 0.35±0.04 | 29.5×19.5×25 | 1.6 |
 |
FT-32T-2.3A6 | 2.3±0.5 | ≤500 | 250000±30% | Cu | φ32.0±0.2 | 31.5±0.5 | 0.47±0.06 | 0.1±0.02 | 43.5×17.5×19 | 2.5 |
