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))
sot1214a_po Bulk Pack Active Standard Marking BLF184XRU
(9340 678 48112)

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
BLF184XR BLF184XRU BLF184XR Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF184XR 9340 678 48112 BLF184XRU RFMW Buy Request samples
DigiKey Buy

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 2018-02-26
Ampleon Model Library Manual for Microwave Office® Simulation model 2018-02-26
Ampleon Simulation Example for Microwave Office® Simulation model 2018-02-26
BLF184XR_ADS-2016 Simulation model 2017-04-12