This device has been transferred from Ampleon to Rochester Electronics.

UHF power LDMOS transistor

30 W LDMOS power transistor for base station applications at frequencies from HF to 2200 MHz.

Features and benefits

  • Excellent back-off linearity
  • Easy power control
  • Excellent ruggedness
  • High power gain
  • Excellent thermal stability
  • Designed for broadband operation (HF to 2200 MHz)
  • No internal matching for broadband operation
  • ESD protection

Applications

  • RF power amplifiers for GSM, PHS, EDGE, CDMA and W-CDMA base stations
  • Multicarrier applications in the HF to 2200 MHz frequency range
  • Broadcast drivers

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 1800 2200 MHz
PL(1dB) nominal output power at 1 dB gain compression 30 W
Test signal: CW
Gp power gain VDS = 26 V 12.5 13.5 dB
RLin input return loss VDS = 26 V; IDq = 450 mA -16 -11 dB
ηD drain efficiency VDS = 26 V; f = 2000 MHz; IDq = 450 mA 32 35 %
PL(PEP) peak envelope power 30 W
IMD3 third-order intermodulation distortion PL(PEP) < 10 W; VDS = 26 V; IDq = 450 mA -50 dBc
IMD3 third-order intermodulation distortion PL(PEP) = 30 W; VDS = 26 V; IDq = 450 mA -26 -23 dBc

Package / Packing

Type number Package Outline version Reflow-/Wave
soldering
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF3G21-30 SOT467C
(SOT467C)
sot467c_po Bulk Pack Transferred Standard Marking BLF3G21-30,112
(9340 579 09112)

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
BLF3G21-30 9340 579 09112 BLF3G21-30,112 Rochester Electronics Buy Not available

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF3G21-30 9340 579 09112 BLF3G21-30,112 Rochester Electronics Buy Not available

Design support

Title Type Date
BLF3G21-30 26V 450mA S-parameter Data S-parameter 2012-06-08