Datasheet BLF974P (Ampleon) - 3

BLF974P HF / VHF power LDMOS transistor
amp01214 0.2 Zth(j-c) t Z h(j-c) th(j-c) (K/W) (K/W) (K/W) 0.16 (7) (7) (7) (6) (6) (6) (5) (5) (5) (4) (4) (4) 0.12 (3) (3) (3) (2) (2) (2) (1) (1) (1) 0.08 0.04 0 10-7 10-6 10-5 10-4 10-3 10-2 10-1 1 10 tp (s) (1)  = 1 % (2)  = 2 % (3)  = 5 % (4)  = 10 % (5)  = 20 % (6)  = 50 % (7)  = 100 % (DC)
Fig 1. Transient thermal impedance from junction to case as a function of pulse duration 6. Characteristics Table 6. DC characteristics
Tj = 25 C; per section unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
V(BR)DSS drain-source breakdown voltage VGS = 0 V; ID = 1.97 mA 108 - - V VGS(th) gate-source threshold voltage VDS = 10 V; ID = 197 mA 1.5 2.0 2.5 V IDSS drain leakage current VGS = 0 V; VDS = 50 V - - 1.4 A IDSX drain cut-off current VGS = VGS(th) + 3.75 V; 27.3 35.6 - A VDS = 10 V IGSS gate leakage current VGS = 11 V; VDS = 0 V - - 140 nA RDS(on) drain-source on-state resistance VGS = VGS(th) + 3.75 V; - 0.11 - ID = 6.895 A
Table 7. AC characteristics
Tj = 25 C; per section unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Crs feedback capacitance VGS = 0 V; VDS = 50 V; f = 1 MHz - 0.74 - pF Ciss input capacitance VGS = 0 V; VDS = 50 V; f = 1 MHz - 193 - pF Coss output capacitance VGS = 0 V; VDS = 50 V; f = 1 MHz - 52.2 - pF BLF974P All information provided in this document is subject to legal disclaimers. © Ampleon Netherlands B.V. 2020. All rights reserved.
Product data sheet Rev. 1 — 26 March 2020 3 of 18
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