link to page 1 BLF974P HF / VHF power LDMOS transistorRev. 1 — 26 March 2020Product data sheet1. Productprofile1.1 General description A 500 W LDMOS power transistor for broadcast applications and industrial applications in the HF to 700 MHz band. Table 1.Application informationTest signalfV DSPLGpD(MHz)(V)(W)(dB)(%) CW pulsed [1] 225 50 500 25.7 76 CW 225 50 500 25.3 77 [1] tp = 100 s; = 10 %. 1.2 Features and benefits Easy power control Integrated ESD protection Excellent ruggedness High efficiency Excellent thermal stability Designed for broadband operation (10 MHz to 700 MHz) For RoHS compliance see the product details on the Ampleon website 1.3 Applications Industrial, scientific and medical applications Broadcast transmitter applications Document Outline 1. Product profile 1.1 General description 1.2 Features and benefits 1.3 Applications 2. Pinning information 3. Ordering information 4. Limiting values 5. Thermal characteristics 6. Characteristics 7. Test information 7.1 Ruggedness in class-AB operation 7.2 Impedance information 7.3 Test circuit 7.4 Graphical data 7.4.1 1-Tone CW pulsed 7.4.2 1-Tone CW 7.4.3 2-Tone CW 8. Package outline 9. Handling information 10. Abbreviations 11. Revision history 12. Legal information 12.1 Data sheet status 12.2 Definitions 12.3 Disclaimers 12.4 Trademarks 13. Contact information 14. Contents