Power LDMOS transistor

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

The BLF2425M9LS140 is designed for high power CW applications and is assembled in a high performance ceramic package.

Features and benefits

  • High efficiency
  • High power gain
  • Excellent ruggedness
  • Excellent reliability
  • 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 2400 MHz to 2500 MHz


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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 [0] 19 dB
RLin input return loss PL = 140 W [0] -10 dB
ηD drain efficiency PL = 140 W [0] 58 %
PL(AV) average output power 140 W

Package / Packing

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF2425M9LS140 SOT502B
sot502b_po Reel 13" Q1/T1 Active Standard Marking BLF2425M9LS140J
(9340 691 29118)
Bulk Pack Active Standard Marking BLF2425M9LS140U
(9340 691 29112)

Pinning info

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


Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLF2425M9LS140 BLF2425M9LS140J BLF2425M9LS140 Always Pb-free 1 1
BLF2425M9LS140 BLF2425M9LS140U BLF2425M9LS140 Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF2425M9LS140 9340 691 29118 BLF2425M9LS140J RFMW Buy Not available
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BLF2425M9LS140 9340 691 29112 BLF2425M9LS140U RFMW Buy Request samples
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