TDK Corporation introduces the new B78302A a series of EPCOS compact transformers with innovative E5 cores for ultrasonic applications. It consists of three types with transformation ratios between 1:1:10.8 and 1:1:15.3. Depending on the type, the new transformers in SMD design offer inductance values between 2 mH and 4 mH and are suitable for frequencies from 50 kHz to 300 kHz. The AEC-Q200 compliant components have very compact dimensions of only 8.1 x 7.0 x 7.0 mm and are shielded by a counter coil for better interference suppression. The permissible temperature range is between -40 °C and +125 °C.
Transformers are used in ultrasonic applications for optimal impedance matching between the driver IC and the ultrasonic transmitter or receiver. Typical applications include parking assistance, industrial robots, drones, logistics robots, automated guided vehicles (AGVs) and level measurement systems.
Compact shielded transformers excel in ultrasonic applications
