Power LDMOS transistor

A 450 W LDMOS RF power transistor for broadcast Doherty, class-AB transmitter and industrial applications. The excellent ruggedness of this device makes it ideal for digital and analog transmitter applications in the frequency range from 400 MHz to 860 MHz.

Features and benefits

  • Designed for broadband and Doherty operation
  • High efficiency
  • Integrated double sided ESD protection
  • Excellent ruggedness
  • High power gain
  • Excellent reliability
  • Easy power control
  • Excellent stability
  • For RoHS compliance see the product details on the Ampleon website

Applications

  • Broadcast transmitter applications in the UHF band
  • Digital and analog broadcasting
  • Industrial, scientific and medical applications
  • Applicable at frequencies from 400 MHz to 860 MHz

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 400 860 MHz
PL(1dB) nominal output power at 1 dB gain compression 450 W
Test signal: DVB-T (8k OFDM), class-AB operation
VDS drain-source voltage [0] 50 V
IDq quiescent drain current per section [0] 325 mA
PL(AV) average output power f = 700 MHz [0] 78.4 80 81.6 W
Gp power gain f = 700 MHz [0] 21.8 22.5 dB
ηD drain efficiency f = 700 MHz [0] 31 34 %
ACPR adjacent channel power ratio f = 700 MHz [0] -30 -27 dBc
PAR peak-to-average ratio f = 700 MHz [0] 7.2 8 8.4 dB

Package / Packing

Type number Package Outline version Reflow-/Wave
soldering
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF984P CDFM4
(SOT1121A)
sot1121a_po Bulk Pack Active Standard Marking BLF984PU
(9349 603 09112)

Pinning info

Pin Symbol Description Simplified outline Graphic symbol
1 D1 drain1
2 D2 drain2
3 G1 gate1
4 G2 gate2
5 S source

Quality

Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLF984P BLF984PU BLF984P Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF984P 9349 603 09112 BLF984PU RFMW Buy Request samples
DigiKey Buy

Design support