This product is not recommended for design-in.
The recommended type is: BLS9G2735S-15G

LDMOS S-band radar power transistor

6 W LDMOS power transistor intended for radar applications in the 2.7 GHz to 3.1 GHz range.

Features and benefits

  • Integrated ESD protection
  • High flexibility with respect to pulse formats
  • Excellent ruggedness
  • High efficiency
  • Excellent thermal stability
  • Designed for broadband operation (2.7 GHz to 3.1 GHz)
  • Internally matched for ease of use
  • Compliant to Directive 2002/95/EC, regarding restriction of hazardous substances


  • Radar applications in the 2.7 GHz to 3.1 GHz frequency range
  • S-band power amplifiers


All documentation

All documents

Design tool

RF Power Lifetime Calculator


LDMOS S-band radar power transistor



Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 2700 3100 MHz
PL(1dB) nominal output power at 1 dB gain compression 6 W
Test signal: Pulsed RF
Gp power gain PL = 6 W; VDS = 32 V 14 15 dB
ηD drain efficiency PL = 6 W; VDS = 32 V; 2700 MHz ≤ f ≤ 3100 MHz; IDq = 25 mA 30 33 %
VDS drain-source voltage PL = 6 W 32 V
tr rise time PL = 6 W; VDS = 32 V 20 50 ns
tf fall time PL = 6 W; VDS = 32 V 10 50 ns

Package / Packing

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

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLS6G2731-6G CDFM2
sot975c_po Bulk Pack Active Standard Marking BLS6G2731-6G,112
(9340 617 49112)

Pinning info

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


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
BLS6G2731-6G BLS6G2731-6G,112 BLS6G2731-6G Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLS6G2731-6G 9340 617 49112 BLS6G2731-6G,112 RFMW Buy Not available
DigiKey Buy

Design support

Title Type Date
PCB Design BLS6G2731-6G (Data sheet) Design support 2012-02-24