BLF245B,112 NXP Semiconductors, BLF245B,112 Datasheet - Page 8

• Manufacturer Part Number: BLF245B,112
• Description: TRANSISTOR RF DMOS SOT279A
• Manufacturer: NXP Semiconductors

Specifications of BLF245B,112

• Package / Case: SOT-279A
• Transistor Type: 2 N-Channel (Dual)
• Frequency: 175MHz
• Gain: 18dB
• Voltage - Rated: 65V
• Current Rating: 4.5A
• Current - Test: 25mA
• Voltage - Test: 28V
• Power - Output: 30W
• Minimum Operating Temperature: - 65 C
• Mounting Style: SMD/SMT
• Resistance Drain-source Rds (on): 1.5 Ohm @ 10 V
• Transistor Polarity: N-Channel
• Configuration: Dual Common Source
• Drain-source Breakdown Voltage: 65 V
• Gate-source Breakdown Voltage: +/- 20 V
• Continuous Drain Current: 4.5 A
• Power Dissipation: 75000 mW
• Maximum Operating Temperature: + 200 C
• Application: VHF
• Channel Type: N
• Channel Mode: Enhancement
• Drain Source Voltage (max): 65V
• Output Power (max): 30W
• Power Gain (typ)@vds: 18@28VdB
• Frequency (max): 175MHz
• Package Type: CDFM
• Pin Count: 5
• Forward Transconductance (typ): 0.85S
• Drain Source Resistance (max): 1500@10Vmohm
• Input Capacitance (typ)@vds: 60@28VpF
• Output Capacitance (typ)@vds: 40@28VpF
• Reverse Capacitance (typ): 4.5@28VpF
• Operating Temp Range: -65C to 200C
• Drain Efficiency (typ): 65%
• Mounting: Screw
• Mode Of Operation: CW Class-B
• Number Of Elements: 2
• Power Dissipation (max): 75000mW
• Vswr (max): 50
• 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: 568-2388; 934003520112; BLF245B; BLF245B

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f = 175 MHz.
50
input
L2
L1
L3
C1
C2
C3
C4
L4
L5
C5
Fig.11 Test circuit for class-B operation.
L7
L6
C6
R3
R4
L8
L9
R2
R1
V G
C10
V G
C27
C8
C9
C7
D.U.T.
R5
R6
L13
L12
V D
V D
C14
L15
L11
L10
L14
C11
C12
C17
C13
C15
C16
C18
C19
C20
L16
L17
R7
R8
C21
MGP187
C22
L18
L19
C23
C25
C26
C24
L20
L22
L21
output
50