Power LDMOS transistor

A 700 W extremely rugged LDMOS power transistor for broadcast and industrial applications in the HF to 600 MHz band.

Features and benefits

  • Easy power control
  • Integrated ESD protection
  • Excellent ruggedness
  • High efficiency
  • Excellent thermal stability
  • Designed for broadband operation (HF to 600 MHz)
  • Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)


  • Industrial, scientific and medical applications
  • Broadcast transmitter applications


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Design tool

RF Power Lifetime Calculator


Power LDMOS transistor



Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 10 600 MHz
PL(1dB) nominal output power at 1 dB gain compression 700 W
Test signal: Pulsed RF
Gp power gain PL = 700 W; VDS = 50 V 22.8 23.9 dB
RLin input return loss PL = 700 W; VDS = 50 V; IDq = 100 mA -20 -13 dB
ηD drain efficiency PL = 700 W; VDS = 50 V; f = 108 MHz; IDq = 100 mA 71 73.5 %

Package / Packing

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
sot1214b_po Bulk Pack Active Standard Marking BLF184XRSU
(9340 678 49112)

Pinning info

Pin Symbol Description Simplified outline Graphic symbol
1 D1 drain1
2 D2 drain2
3 G1 gate1
4 G2 gate2
5 S source


Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLF184XRS BLF184XRSU BLF184XRS Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF184XRS 9340 678 49112 BLF184XRSU RFMW Buy Request samples
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Design support

Title Type Date
PCB Design R_10032 Design support 2012-08-16
PCB Design BLF184XR(S) (Data sheet) Design support 2014-03-13
Ampleon Model Library for Microwave Office® Simulation model 2018-11-05
Ampleon Model Library Manual for Microwave Office® Simulation model 2018-11-05
Ampleon Simulation Example for Microwave Office® Simulation model 2018-11-05
BLF184XR ADS-2016 Simulation model 2017-04-12