BLF879PS

BLF879PS

Download datasheet This product has been discontinued.
Click here for discontinuation information.
This product has been discontinued. Click here for discontinuation information.

UHF power LDMOS transistor

A 500 W LDMOS RF power transistor for broadcast transmitter applications and industrial applications. The excellent ruggedness of this device makes it ideal for digital and analog transmitter applications.

Features and benefits

  • Excellent ruggedness
  • Optimum thermal behavior and reliability, Rth(j-c) = 0.15 K/W
  • High power gain
  • High efficiency
  • Designed for broadband operation (470 MHz to 860 MHz)
  • Internal input matching for high gain and optimum broadband operation
  • Excellent reliability
  • Easy power control
  • Compliant to Directive 2002/95/EC, regarding RoHS

Applications

  • Communication transmitter applications in the UHF band
  • Industrial applications in the UHF band

Downloads

Datasheet
All application notes
All models
All documentation

All documents

Design tool

RF Power Lifetime Calculator

Transistor:
BLF879PS

UHF power LDMOS transistor

°C

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 470 860 MHz
PL(1dB) nominal output power at 1 dB gain compression 500 W
Test signal: CW
Gp power gain VDS = 42 V; f1 = 860 MHz; f2 = 860.1 MHz 20 21 dB
ηD drain efficiency VDS = 42 V; IDq = 1.3 A; f1 = 860 MHz; f2 = 860.1 MHz 43 47 %
PL(AV) average output power f1 = 860 MHz; f2 = 860.1 MHz 200 W
IMD3 third-order intermodulation distortion VDS = 42 V; IDq = 1.3 A; f1 = 860 MHz; f2 = 860.1 MHz -33 -29 dBc

Package / Packing

All type numbers in the table below are discontinued.

Type number Package Outline version Reflow-/Wave
soldering
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF879PS SOT539B
(SOT539B)
sot539b_po Bulk Pack Discontinued Standard Marking BLF879PS,112
(9340 670 74112)

Discontinuation information

Type number Ordering code (12NC) Last-time buy date Last-time delivery date Replacement product DN Notice Status Comments
BLF879PS 9340 670 74112 2019-03-31 2019-06-30 201806003DN Full Withdrawal Replacement: BLF989

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
BLF879PS 9340 670 74112 BLF879PS,112 DigiKey Buy Not available
RFMW Buy

Quality

All type numbers in the table below are discontinued.

Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLF879PS BLF879PS,112 BLF879PS Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF879PS 9340 670 74112 BLF879PS,112 DigiKey Buy Not available
RFMW Buy

Design support