This product is not recommended for design-in.
The recommended type is: ART1K6FH

Power LDMOS transistor

A 1400 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)

Applications

  • Industrial, scientific and medical applications
  • Broadcast transmitter applications

Downloads

Datasheet
All application notes
All models
All documentation

All documents

Design tool

RF Power Lifetime Calculator

Transistor:
BLF188XR

Power LDMOS transistor

°C

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 10 600 MHz
PL(1dB) nominal output power at 1 dB gain compression 1400 W
Test signal: Pulsed RF
Gp power gain VDS = 50 V; PL = 1400 W 23.2 24.4 dB
RLin input return loss VDS = 50 V; IDq = 40 mA; PL = 1400 W -21 -14 dB
ηD drain efficiency VDS = 50 V; f = 108 MHz; IDq = 40 mA; PL = 1400 W 69 73 %

Package / Packing

All type numbers in the table below are not recommended for design-in.

Type number Package Outline version Reflow-/Wave
soldering
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF188XR SOT539A
(SOT539A)
sot539a_po Bulk Pack Active Standard Marking BLF188XRU
(9340 677 53112)

Pinning info

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

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF188XR 9340 677 53112 BLF188XRU RFMW Buy Request samples
DigiKey Buy

Quality

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
BLF188XR BLF188XRU BLF188XR Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF188XR 9340 677 53112 BLF188XRU RFMW Buy Request samples
DigiKey Buy

Documentation

Title Type Date
Ampleon Longevity Overview Other type 2021-09-22
Measurement results of a push-pull demo amplifier at 41 MHz with 1x BLF188XR Report 2015-10-05
Uppsala University's BLF188XR single ended amplifier at 352 MHz Application note 2016-01-22
Power LDMOS transistor Data sheet 2015-12-07
Measurement results of a CW design with the BLF188XR at 162.5 MHz with coax balun output matching > 1200 W CW RF Power Report 2016-08-15
Measurement results of a Class AB/B/C design for the 13.56 MHz band with the BLF188XR Report 2016-11-02
Measurement results of the BLF188XR at 1.6-30 MHz and 50 V & 42 V supply voltages Report 2015-02-20
Measurement results of a demo circuit optimized for CW operation at 60 MHz using the BLF188XR Report 2012-10-26
Measurement results of a high power amplifier that works more than 1400 W at 72.5 MHz using the BLF188XR Report 2013-03-18
Measurement results of the BLF188XR in two amplifier variants with coplanar input and output baluns at 352 MHz Report 2016-05-19
Measurement results of a broadband amplifier that works more than 1000 W from 2 to 30 MHz, >1300 W from 4 MHz to 30 MHz using the BLF188XR Report 2013-03-10
Measurement results of a BLF188XR device at 81.36 MHz with and output power of 1400 W Pulsed and CW in an all planar application circuit Report 2013-01-29
Measurement results of a Class-C design for the 41 MHz band with the BLF188XR Report 2016-03-18
Measurement results of a BLF188XR device in a VHF band application circuit for the 174 to 230 MHz Report 2013-06-13
Measurement results of a demo circuit optimized for CW operation at 27 MHz using the BLF188XR Report 2013-06-25
Measurement results of the BLF188XR for a 3T MRI system at 128 MHz Report 2014-07-03
Measurement results of a BLF188XR device in 1250 W CW FM band application circuit Report 2012-11-01
Measurement results of a BLF188XR device in an 850-1000 W CW, high efficiency, 88-108 MHz application circuit Report 2012-11-01
Measurement results of the BLF188XR for a 1.5T MRI system at 63.86 MHz Report 2015-06-26
RF Power Solutions for Broadcast Industrial, Scientific and Medical Aerospace & Defense Cooking and Defrosting Brochure 2021-04-19

Recommended line-up