HF / VHF power LDMOS transistor
BLF974P
HF / VHF power LDMOS transistor
Rev. 1 — 26 March 2020 Product data sheet 1. Product profile
1.1 General description
A 500 W LDMOS power transistor for broadcast applications and industrial applications in
the HF to 700 MHz band.
Table 1. Application information Test signal f VDS PL Gp D (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 BLF974P
HF / VHF power LDMOS transistor 2. Pinning information
Table 2. Pinning Pin Description 1 drain1 2 drain2 3 gate1 4 gate2 5 Simplified outline
1 Graphic symbol
1 2
5 3
3 4 5
4 [1] source 2
sym117 [1] Connected to flange. 3. Ordering information
Table 3. Ordering information Type number
BLF974P Package …
