This product is not recommended for design-in.
The recommended type is: BLF2425M9LS140

Power LDMOS transistor

140 W LDMOS power transistor for Industrial, Scientific and Medical (ISM) applications at frequencies from 2400 MHz to 2500 MHz.

The BLF2425M8L140 and BLF2425M8LS140 are designed for high-power CW applications and are assembled in high performance ceramic packages, available in eared and earless versions.

Features and benefits

  • High efficiency
  • High power gain
  • Excellent ruggedness
  • Excellent thermal stability
  • Integrated ESD protection
  • Designed for broadband operation (2400 MHz to 2500 MHz)
  • Internally matched
  • Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)


  • Industrial, scientific and medical applications in the frequency range from 2400 MHz to 2500 MHz


All documentation

All documents

Design tool

RF Power Lifetime Calculator


Power LDMOS transistor



Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 2400 2500 MHz
PL(1dB) nominal output power at 1 dB gain compression 140 W
Test signal: CW
Gp power gain PL = 140 W; VDS = 28 V 19 dB
RLin input return loss PL = 140 W; VDS = 28 V; IDq = 1300 mA -16 dB
ηD drain efficiency PL = 140 W; VDS = 28 V; f = 2450 MHz; IDq = 1300 mA 56 %
PL(AV) average output power VDS = 28 V; f = 2450 MHz; IDq = 1300 mA 140 W

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))
BLF2425M8L140 SOT502A
sot502a_po Reel 13" Q1/T1 Active Standard Marking BLF2425M8L140J
(9340 678 35118)
Bulk Pack Active Standard Marking BLF2425M8L140U
(9340 678 35112)

Pinning info

Pin Symbol Description Simplified outline Graphic symbol
1 D drain
2 G gate
3 S source


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
BLF2425M8L140 BLF2425M8L140J BLF2425M8L140 Always Pb-free 1 1
BLF2425M8L140 BLF2425M8L140U BLF2425M8L140 Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF2425M8L140 9340 678 35118 BLF2425M8L140J RFMW Buy Not available
DigiKey Buy
BLF2425M8L140 9340 678 35112 BLF2425M8L140U RFMW Buy Request samples
DigiKey Buy

Design support

Title Type Date
PCB Design BLF2425M8L(S)140 (Data sheet) Design support 2013-08-27