The STMicroelectronics Transistors - FETs, MOSFETs - RF PD55015S-E is a high-performance FET designed for RF applications. It features a 40V drain-source voltage rating and a 500MHz frequency rating, making it ideal for use in high-frequency, high-power applications. The device is housed in a PWRSO-10 package, which provides excellent thermal and electrical performance. It also features a low on-resistance of 0.2 ohms, making it suitable for use in high-current applications. The device is also RoHS compliant, making it an environmentally friendly choice. With its high performance and reliable operation, the STMicroelectronics Transistors - FETs, MOSFETs - RF PD55015S-E is an ideal choice for RF applications.