BLF574,112 NXP Semiconductors, BLF574,112 Datasheet - Page 4

• Manufacturer Part Number: BLF574,112
• Description: TRANSISTOR RF LDMOS SOT539A
• Manufacturer: NXP Semiconductors

Specifications of BLF574,112

• Package / Case: SOT539A
• Transistor Type: LDMOS
• Frequency: 225MHz
• Gain: 26.5dB
• Voltage - Rated: 110V
• Current Rating: 56A
• Current - Test: 1A
• Voltage - Test: 50V
• Power - Output: 400W
• Forward Transconductance Gfs (max / Min): 17 S
• Mounting Style: SMD/SMT
• Resistance Drain-source Rds (on): 0.14 Ohms
• Drain-source Breakdown Voltage: 110 V
• Gate-source Breakdown Voltage: 11 V
• Continuous Drain Current: 56 A
• Power Dissipation: 500 W
• Application: HF/VHF
• Channel Type: N
• Channel Mode: Enhancement
• Drain Source Voltage (max): 110V
• Output Power (max): 600W
• Power Gain (typ)@vds: 26.5@50VdB
• Frequency (max): 500MHz
• Package Type: LDMOST
• Pin Count: 5
• Forward Transconductance (typ): 17S
• Drain Source Resistance (max): 90(Typ)@6Vmohm
• Input Capacitance (typ)@vds: 300@50VpF
• Output Capacitance (typ)@vds: 72@50VpF
• Reverse Capacitance (typ): 1.5@50VpF
• Operating Temp Range: -65C to 225C
• Drain Efficiency (typ): 70%
• Mounting: Screw
• Mode Of Operation: CW
• Number Of Elements: 2
• Vswr (max): 13
• Screening Level: Military
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-4736; 934061965112

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
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