BLF574 NXP Semiconductors, BLF574 Datasheet - Page 4

• Manufacturer Part Number: BLF574
• Description: LDMOS,RF,500W,HF-500MHZ,50V
• Manufacturer: NXP Semiconductors

Specifications of BLF574

• Transistor Type: RF MOSFET
• Drain Source Voltage Vds: 110V
• Continuous Drain Current Id: 56A
• Operating Frequency Range: 225MHz
• Rf Transistor Case: SOT-539A
• No. Of Pins: 4
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
BLF574_2
Product data sheet
6.1 Ruggedness in class-AB operation
The BLF574 is capable of withstanding a load mismatch corresponding to VSWR = 13 : 1
through all phases under the following conditions: V
P
Fig 1.
L
= 400 W; f = 225 MHz.
V
Output capacitance as a function of drain-source voltage; typical values per
section
GS
= 0 V; f = 1 MHz.
C
Rev. 02 — 24 February 2009
(pF)
oss
500
400
300
200
100
0
0
10
20
30
DS
HF / VHF power LDMOS transistor
= 50 V; I
40
001aaj126
V
DS
(V)
50
Dq
= 1000 mA;
© NXP B.V. 2009. All rights reserved.
BLF574
4 of 18