Power LDMOS transistor

200 W LDMOS power transistor for various applications such as Industrial, Scientific and Medical (ISM) and industrial heating at frequencies from 1700 MHz to 2100 MHz.

Features and benefits

  • Excellent ruggedness
  • High efficiency
  • Low thermal resistance providing excellent thermal stability
  • Designed for broadband operation
  • Lower output capacitance for improved performance in Doherty applications
  • Designed for low memory effects providing excellent pre-distortability
  • Internally matched for ease of use
  • Integrated ESD protection
  • Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)


  • RF power amplifiers for pulsed and CW applications in the 1700 MHz to 2100 MHz frequency range such as ISM and industrial heating


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Design tool

RF Power Lifetime Calculator


Power LDMOS transistor



Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 1700 2100 MHz
PL(1dB) nominal output power at 1 dB gain compression 200 W
Test signal: 2-c W-CDMA
Gp power gain PL(AV) = 55 W; VDS = 28 V [0] 18 19 dB
RLin input return loss PL(AV) = 55 W; VDS = 28 V [0] -17 -6 dB
ηD drain efficiency PL(AV) = 55 W; VDS = 28 V [0] 23 28.5 %
ACPR5M adjacent channel power ratio (5 MHz) PL(AV) = 55 W; VDS = 28 V [0] -30 -25 dBc

Package / Packing

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF1721M8LS200 SOT502B
sot502b_po Bulk Pack Active Standard Marking BLF1721M8LS200U
(9340 695 25112)

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
BLF1721M8LS200 BLF1721M8LS200U BLF1721M8LS200 Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF1721M8LS200 9340 695 25112 BLF1721M8LS200U DigiKey Buy Request samples