Power LDMOS transistor

120 W LDMOS power transistor with enhanced video bandwidth for base station applications at frequencies from 1805 MHz to 1995 MHz.

Features and benefits

  • Excellent ruggedness
  • High efficiency
  • Low thermal resistance providing excellent thermal stability
  • Decoupling leads to enable enhanced video bandwidth performance (75 MHz typical)
  • Designed for broadband operation (1805 MHz to 1995 MHz)
  • Lower output capacitance for improved performance in Doherty applications
  • Designed for low memory effects providing excellent pre-distortability
  • Internally matched for ease of use
  • Integrated ESD protection
  • For RoHS compliance see the product details on the Ampleon website


  • RF power amplifiers for base stations and multi carrier applications in the 1805 MHz to 1995 MHz frequency range


All documentation

All documents

Design tool

RF Power Lifetime Calculator


Power LDMOS transistor



Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 1805 1995 MHz
PL(1dB) nominal output power at 1 dB gain compression 120 W
Test signal: 2-c W-CDMA
VDS power gain 1805-1880 MHz [0] 28 V
Gp power gain 1805-1880 MHz [0] 18.5 dB
PL(AV) average output power 1805-1880 MHz [0] 30 W
ηD drain efficiency 1805-1880 MHz [0] 31 %
IDq quiescent drain current 1805-1880 MHz [0] 700 mA
ACPR5M adjacent channel power ratio (5 MHz) 1805-1880 MHz [0] -31 [1] dBc

Package / Packing

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLC9G20LS-120VT SOT1271-2
sot1271-2_po.pdf Tray, NonBakeable, Multiple in Drypack Active Standard Marking BLC9G20LS-120VTZ
(9349 600 77517)
Reel 13" Q1/T1 in Drypack Active Standard Marking BLC9G20LS-120VTY
(9349 600 77518)

Pinning info

Pin Symbol Description Simplified outline Graphic symbol
1 D drain
2 G gate
3 S source
4 VD video decoupling
5 VD video decoupling
6 n.c. not connected
7 n.c. not connected


Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLC9G20LS-120VT BLC9G20LS-120VTZ BLC9G20LS-120VT Always Pb-free 3 3
BLC9G20LS-120VT BLC9G20LS-120VTY BLC9G20LS-120VT Always Pb-free 3 3
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLC9G20LS-120VT 9349 600 77517 BLC9G20LS-120VTZ DigiKey Buy Not available
BLC9G20LS-120VT 9349 600 77518 BLC9G20LS-120VTY DigiKey Buy Not available

Design support

Title Type Date
PCB Design BLC9G20LS-120VT (Data sheet) Design support 2017-06-13