Langevin Transducers for Ultrasonic Cleaning STC
Sunnytec (Suzhou) Co., Ltd. [China] 
Detailed Product Description
Main Features
- High Mechanical Quality factor and excellent electro-acoustic conversion efficiency, providing high output amplitude.
- Piezoelectric element offer a high speed of vibration. Through bolt-on presstress, mechanical and amplitude have been improved.
- Having steady output amplitude even under markedly changed loads.
- Extended temperature use, ensuring good amplitude linearity. Low resonant impedance ensuring high conversion efficiency.
- Bolt-on pre-stressed design provides fast and easy installation with high reliability.
Transducers for Ultrasonic Cleaning Selection Chart
| Part Number | Res Freq | Res Imp | Cap | Diam | Span | Power | |
| Units | kHz | Ohm | pF | mm | mm | W | |
STC-4AH-2080 | 80±2 | <25 | 1800±10% | 24 | 26 | 25 | |
STC-4AH-3050 | 50±1 | <20 | 3400±10% | 38 | 40 | 40 | |
STC-4SS-3528 | 28±1 | <20 | 3800±10% | 45 | 80 | 50 | |
STC-4SH-3528 | 28±1 | <20 | 4000±10% | 55 | 68 | 50 | |
| STC-8SH-3528 | 28±1 | <20 | 2900±10% | 55 | 68 | 50 | |
STC-4AH-3540 | 40±1 | <20 | 3800±10% | 45 | 54 | 50 | |
STC-4SH-3540 | 40±1 | <20 | 4000±10% | 45 | 50 | 50 | |
| STC-8SH-3540 | 40±1 | <20 | 2900±10% | 45 | 50 | 50 | |
| STC-8SH-3560 | 60±2 | <20 | 2900±10% | 40 | 38 | 50 | |
STC-4SH-3825 | 25±1 | <20 | 4800±10% | 59 | 72 | 60 | |
STC-4SH-3828 | 28±1 | <20 | 4800±10% | 59 | 67 | 60 | |
| STC-8SH-3828 | 28±1 | <20 | 3200±10% | 59 | 68 | 60 | |
STC-4SH-3833 | 33±1 | <20 | 4800±10% | 48 | 60 | 60 | |
| STC-8SH-3833 | 28±1 | <20 | 3200±10% | 48 | 60 | 60 | |
| STC-8SH-3838 | 38±1 | <20 | 3200±10% | 48 | 54 | 60 | |
STC-4SH-3840 | 40±1 | <20 | 4800±10% | 48 | 50 | 60 | |
| STC-8SH-3840 | 40±1 | <20 | 3400±10% | 48 | 50 | 60 | |
STC-4SS-38130 | 130±2 | <20 | 4800±10% | 40 | 54 | 60 | |
STC-8SS-38130 | 130±2 | <20 | 3200±10% | 38 | 57 | 60 | |
| STC-8SH-4525 | 25±1 | <20 | 5100±10% | 67 | 72 | 80 | |
| STC-8SH-4528 | 28±1 | <20 | 5100±10% | 67 | 68 | 80 | |
STC-4SS-4530 | 30±1 | <20 | 7200±10% | 45 | 82 | 80 | |
| STC-8SS-4530 | 30±1 | <20 | 5100±10% | 45 | 82 | 80 | |
STC-4SH-5025 | 25±1 | <20 | 9000±10% | 67 | 77 | 100 | |
| STC-8SH-5025 | 25±1 | <20 | 6500±10% | 67 | 77 | 100 | |
STC-4SH-5028 | 28±1 | <20 | 9000±10% | 67 | 70 | 100 | |
| STC-8SH-5028 | 28±1 | <20 | 6500±10% | 67 | 70 | 100 |
