SUNSTAR is a high-tech enterprise integrating research and development, production, engineering, sales, agent distribution, technical consultation and information service. It focuses on industrial control, consumer electronics, security, medical, automotive electronics, wireless communication and other fields of sensors, ICs, optical products, solutions and related technical services. It is a national high-tech enterprise and a member of China Electronic Components Association and Guangdong Electronic Information Industry Association.
The SC0025 is a 225 kHz ultrasonic transducer designed for short‑range level detection, proximity sensing, and process control. It provides a detection zone of up to 2.5 m and is available with leads or circuit‑board mounting pins.
Key specifications include a best operating frequency of 228 kHz ± 4 %, transmit sensitivity of 101 dB re 1 µPa/V, receive sensitivity of –180 dB re 1 V/µPa, and a maximum driving voltage of 500 Vpp (2 % duty cycle). The device operates from –40 °C to 90 °C, weighs 4 g, and features a glass‑filled polyester housing with a glass‑reinforced epoxy acoustic window.
| Best Operating Frequency | 228 kHz ± 4 % |
|---|---|
| Min. Transmit Sensitivity | 101 dB re 1 µPa/V at 1 m |
| Min. Receive Sensitivity | -180 dB re 1 V/µPa |
| Min. Parallel Resistance | 400 Ω ± 30 % |
| Free (1 kHz) Capacitance | 450 pF ± 100 pF |
| Beamwidth (-3 dB full angle) | 15° ± 2° |
| Maximum Driving Voltage | 500 Vpp (2 % duty cycle tone burst) |
| Operating Temperature | -40 °C to 90 °C |
| Weight | 4 g |
| Housing Material | Glass filled polyester |
| Acoustic Window Material | Glass reinforced epoxy |
The SC0025 provides a detection range of up to 2.5 meters.
It operates as a 225 kHz ultrasonic transducer, with a best operating frequency of 228 kHz ± 4 %.
The maximum driving voltage is 500 Vpp with a 2 % duty‑cycle tone burst.
It can operate from –40 °C up to 90 °C.