Power LDMOS transistor

30 W LDMOS driver transistor for broadcast, class-AB transmitter and industrial applications. The excellent ruggedness of this device makes it ideal for digital and analog transmitter applications in the frequency range from 400 MHz to 860 MHz.

Features and benefits

  • Designed for broadband operation
  • High efficiency
  • Integrated dual sided ESD protection
  • Excellent ruggedness
  • High power gain
  • Excellent reliability
  • Easy power control
  • Excellent stability
  • For RoHS compliance see the product details on the Ampleon website


  • Broadcast transmitter applications in the UHF band
  • Digital and analog broadcasting
  • Industrial, scientific and medical applications
  • Applicable at frequencies from 400 MHz to 860 MHz


Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 400 860 MHz
PL(1dB) nominal output power at 1 dB gain compression 30 W
Test signal: Pulsed CW
VDS drain-source voltage 714 MHz [0] [1] 50 V
Gp power gain 714 MHz [0] [1] 20.2 dB
ηD drain efficiency 714 MHz [0] [1] 62 %
PL output power 714 MHz [0] [1] 30 dBm
Test signal: DVB-T (8k OFDM)
VDS drain-source voltage 714 MHz [0] 50 V
Gp power gain 714 MHz [0] 20 dB
ηD drain efficiency 714 MHz [0] 32 %
PL output power 714 MHz [0] 6 dBm

Package / Packing

Type number Package Outline version Reflow-/Wave
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLP0408H9S30 TO270
sot1482-1_po.pdf Reel 7" Q1/T1 in Drypack Active Standard Marking BLP0408H9S30Z
(9349 602 54515)

Pinning info

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


Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLP0408H9S30 9349 602 54515 BLP0408H9S30Z DigiKey Buy Request samples


Title Type Date
Power LDMOS transistor Data sheet 2019-12-05

Design support

Title Type Date
PCB Design BLP0408H9S30 (Data sheet) Design support 2020-01-30
BLP0408H9S30 ADS-2019 Simulation model 2020-01-30