BLF640

BLF640

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

Broadband power LDMOS transistor

10 W LDMOS power transistor for applications at frequencies from HF to 2200 MHz.

Features and benefits

  • Easy power control
  • Integrated ESD protection
  • Excellent ruggedness
  • High efficiency
  • Excellent thermal stability
  • No internal matching for broadband operation
  • Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances

Applications

  • RF power amplifiers for applications in the HF to 2200 MHz frequency range
  • Broadcast drivers

Downloads

Datasheet
All application notes
All documentation

All documents

Design tool

RF Power Lifetime Calculator

Transistor:
BLF640

Broadband power LDMOS transistor

°C

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 10 2200 MHz
PL(1dB) nominal output power at 1 dB gain compression 10 W
Test signal: 1-c W-CDMA
Gp power gain PL(AV) = 2 W; VDS = 28 V 17.3 19.3 dB
ηD drain efficiency PL(AV) = 2 W; VDS = 28 V; 2110 MHz < f < 2170 MHz; IDq = 100 mA 29 31 %
ACPR adjacent channel power ratio PL(AV) = 2 W; VDS = 28 V; 2110 MHz < f < 2170 MHz; IDq = 100 mA -39 -36 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))
BLF640 CDIP2
(SOT538A)
sot538a_po Bulk Pack Discontinued Standard Marking BLF640U
(9340 674 71112)

Discontinuation information

Type number Ordering code (12NC) Last-time buy date Last-time delivery date Replacement product DN Notice Status Comments
BLF640 9340 674 71112 2019-11-30 2020-03-31 202001001DN Full Withdrawal

Pinning info

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

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF640 9340 674 71112 BLF640U RFMW Buy Not available
DigiKey Buy

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF640 9340 674 71112 BLF640U RFMW Buy Not available
DigiKey Buy

Design support

Title Type Date
BLF640 Model for ADS (Keysight Advanced Design System) Simulation model 2017-04-14