BLF544,112 NXP Semiconductors, BLF544,112 Datasheet - Page 9

• Manufacturer Part Number: BLF544,112
• Description: TRANSISTOR RF DMOS SOT171A
• Manufacturer: NXP Semiconductors

Specifications of BLF544,112

• Package / Case: SOT-171A
• Transistor Type: N-Channel
• Frequency: 960MHz
• Gain: 7dB
• Voltage - Rated: 65V
• Current Rating: 3.5A
• Voltage - Test: 28V
• Power - Output: 20W
• Minimum Operating Temperature: - 65 C
• Mounting Style: SMD/SMT
• Product Type: RF MOSFET Power
• Resistance Drain-source Rds (on): 1.25 Ohms
• Transistor Polarity: N-Channel
• Configuration: Single Quad Source
• Drain-source Breakdown Voltage: 65 V
• Gate-source Breakdown Voltage: +/- 20 V
• Continuous Drain Current: 3.5 A
• Power Dissipation: 48 W
• Maximum Operating Temperature: + 200 C
• Application: UHF
• Channel Type: N
• Channel Mode: Enhancement
• Drain Source Voltage (max): 65V
• Output Power (max): 20W
• Power Gain (typ)@vds: 14@28VdB
• Frequency (max): 960MHz
• Package Type: CDFM
• Pin Count: 6
• Forward Transconductance (typ): 0.9S
• Drain Source Resistance (max): 1250@10Vmohm
• Input Capacitance (typ)@vds: 32@28VpF
• Output Capacitance (typ)@vds: 24@28VpF
• Reverse Capacitance (typ): 6.4@28VpF
• Operating Temp Range: -65C to 200C
• Drain Efficiency (typ): 60%
• Mounting: Screw
• Mode Of Operation: CW Class-B
• Number Of Elements: 1
• Power Dissipation (max): 48000mW
• Vswr (max): 50
• Screening Level: Military
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure: -
• Current - Test: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 568-2406; 933997320112; BLF544; BLF544

Philips Semiconductors
2003 Sep 18
handbook, full pagewidth
UHF power MOS transistor
Dimensions in mm.
The circuit and components are situated on one side of the printed circuit board, the other side being fully
metallized, to serve as a ground plane. Earth connections are made by means of copper straps and hollow rivets
for a direct contact between upper and lower sheets.
C1
straps
L1
mounting screw
C2
C3
Fig.12 Component layout for 500 MHz class-B test circuit.
L2
C10
C4
C7
C5
straps
straps
R2
R1
L3
R3
C8
C9
C6
L4
150
L5
9
L6
L8
C11
C13
C15
R5
L7
C14
V D
rivets
C12
mounting screw
L9
straps
C16
C17
MDA501
Product specification
70
BLF544