This product is not recommended for design-in.
The recommended type is: ART150FE

HF / VHF power LDMOS transistor

A 300 W LDMOS RF power transistor for broadcast applications and industrial, scientific and medical applications in the HF to 500 MHz band.

Features and benefits

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

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:
BLF573S

HF / VHF power LDMOS transistor

°C

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 10 500 MHz
PL(1dB) nominal output power at 1 dB gain compression 300 W
Test signal: CW
Gp power gain PL = 300 W; VDS = 50 V 26 27.2 28.4 dB
RLin input return loss PL = 300 W; VDS = 50 V; IDq = 900 mA -13 -10 dB
ηD drain efficiency PL = 300 W; VDS = 50 V; f = 225 MHz; IDq = 900 mA 67 70 %
PL output power 300 W

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))
BLF573S SOT502B
(SOT502B)
sot502b_po Bulk Pack Active Standard Marking BLF573S,112
(9340 621 75112)

Pinning info

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

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF573S 9340 621 75112 BLF573S,112 RFMW Buy Not available
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
BLF573S BLF573S,112 BLF573S Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF573S 9340 621 75112 BLF573S,112 RFMW Buy Not available
DigiKey Buy

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