HF / VHF power LDMOS transistor

A 1200 W LDMOS power transistor for broadcast applications and industrial applications in the HF to 700 MHz band.

Features and benefits

  • Easy power control
  • Integrated ESD protection
  • Excellent ruggedness
  • High efficiency
  • Excellent thermal stability
  • Designed for broadband operation (10 MHz to 700 MHz)
  • For RoHS compliance see the product details on the Ampleon website

Applications

  • Industrial, scientific and medical applications
  • Broadcast transmitter applications

Downloads

Datasheet
All application notes
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Design tool

RF Power Lifetime Calculator

Transistor:
BLF978P

HF / VHF power LDMOS transistor

°C

Parametrics

Symbol Parameter Conditions Min Typ/Nom Max Unit
frange frequency range 10 700 MHz
PL(1dB) nominal output power at 1 dB gain compression 1200 W
Test signal: CW pulsed
VDS drain-source voltage PL = 1200 W [0] 50 V
Gp power gain PL = 1200 W [0] 23 24.5 dB
ηD drain efficiency PL = 1200 W [0] 78 80.6 %
RLin input return loss PL = 1200 W [0] -20 -12 dB

Package / Packing

Type number Package Outline version Reflow-/Wave
soldering
Packing Product status Marking Orderable part number,
(Ordering code (12NC))
BLF978P SOT539A
(SOT539A)
sot539a_po Bulk Pack Active Standard Marking BLF978PU
(9349 602 93112)

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
BLF978P 9349 602 93112 BLF978PU RFMW Buy Request samples
DigiKey Buy

Quality

Type number Orderable part number Chemical content RoHS / RHF Leadfree conversion date MSL MSL LF
BLF978P BLF978PU BLF978P Always Pb-free 1 1
Quality and reliability disclaimer

Ordering & availability

Type number Ordering code (12NC) Orderable part number Distributor Buy online Samples
BLF978P 9349 602 93112 BLF978PU RFMW Buy Request samples
DigiKey Buy

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