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


All documentation

All documents

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))
sot1242c_po Horizontal, Rail Pack Active Standard Marking BLF8G09LS-400PGWQ
(9340 680 59127)
Reel 13" Q1/T1 Active Standard Marking BLF8G09LS-400PGWJ
(9340 680 59118)

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-400PGW BLF8G09LS-400PGWQ BLF8G09LS-400PGW Always Pb-free 1 1
BLF8G09LS-400PGW BLF8G09LS-400PGWJ BLF8G09LS-400PGW Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF8G09LS-400PGW 9340 680 59127 BLF8G09LS-400PGWQ DigiKey Buy Request samples
BLF8G09LS-400PGW 9340 680 59118 BLF8G09LS-400PGWJ DigiKey Buy Request samples

Design support

Title Type Date
PCB Design BLF8G09LS-400P(G)W (Data sheet) Design support 2014-02-24