This product is not recommended for design-in.

Power LDMOS transistor

400 W LDMOS power transistor for base station applications at frequencies from 716 MHz to 960 MHz.

Features and benefits

  • Excellent ruggedness
  • Device can operate with the supply current delivered through the video leads
  • High efficiency
  • Low thermal resistance providing excellent thermal stability
  • Designed for broadband operation
  • Lower output capacitance for improved performance in Doherty applications
  • Decoupling leads to enable improved video bandwidth (45 MHz typical)
  • Designed for low memory effects providing excellent pre-distortability
  • Internally matched for ease of use
  • Integrated ESD protection
  • Design optimized for gull-wing
  • Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)


RF power amplifiers for base stations and multi carrier applications in the 716 MHz to 960 MHz frequency range


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Design tool

RF Power Lifetime Calculator


Power LDMOS transistor



Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 716 960 MHz
PL(1dB) nominal output power at 1 dB gain compression 400 W
Test signal: 2-c W-CDMA
Gp power gain PL(AV) = 95 W; VDS = 28 V 18.8 20.6 dB
RLin input return loss PL(AV) = 95 W; VDS = 28 V; IDq = 3400 mA -19 -11 dB
ηD drain efficiency PL(AV) = 95 W; VDS = 28 V; 716 MHz < f < 728 MHz; IDq = 3400 mA 26 30 %
ACPR5M adjacent channel power ratio (5 MHz) PL(AV) = 95 W; VDS = 28 V; 716 MHz < f < 728 MHz; IDq = 3400 mA -35 -32 dBc

Package / Packing

All type numbers in the table below are not recommended for design-in.

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
sot1242b_po Reel 13" Q1/T1 Active Standard Marking BLF8G09LS-400PWJ
(9340 680 61118)
Bulk Pack Active Standard Marking BLF8G09LS-400PWU
(9340 680 61112)

Pinning info

Pin Symbol Description Simplified outline Graphic symbol
1 D1 drain1
2 D2 drain2
3 G1 gate1
4 G2 gate2
5 S source
6 DC1 decoupling1
7 DC2 decoupling2
8 n.c. not connected
9 n.c. not connected


All type numbers in the table below are not recommended for design-in.

Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLF8G09LS-400PW BLF8G09LS-400PWJ BLF8G09LS-400PW Always Pb-free 1 1
BLF8G09LS-400PW BLF8G09LS-400PWU BLF8G09LS-400PW Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF8G09LS-400PW 9340 680 61118 BLF8G09LS-400PWJ DigiKey Buy Request samples
BLF8G09LS-400PW 9340 680 61112 BLF8G09LS-400PWU DigiKey Buy Request samples

Design support

Title Type Date
PCB Design BLF8G09LS-400P(G)W (Data sheet) Design support 2014-02-24
BLF8G09LS-400PW ADS-2016 Simulation model 2017-03-28