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HF / VHF power LDMOS transistor
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BLF978P
HF / VHF power LDMOS transistor
Rev. 1 — 3 April 2020 Product data sheet 1. Product profile
1.1 General description
A 1200 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 1200 25.5 80.0 CW pulsed [2] 352 50 1150 25.0 79.6 CW [2] 352 50 1150 23.6 76.7 CW [3] 500 45 800 22.3 71.6 CW [4] 650 50 1000 20.0 66.2 [1] On production test circuit tp = 100 s; = 10 %. [2] AR191160. [3] AR191195. [4] AR201049. 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 BLF978P
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
BLF978P Package …
