BLF278/01,112 NXP Semiconductors, BLF278/01,112 Datasheet - Page 11

• Manufacturer Part Number: BLF278/01,112
• Description: TRANSISTOR VHF PWR DMOS SOT262A1
• Manufacturer: NXP Semiconductors

Specifications of BLF278/01,112

• Transistor Type: 2 N-Channel (Dual)
• Frequency: 108MHz
• Gain: 22dB
• Voltage - Rated: 125V
• Current Rating: 18A
• Current - Test: 100mA
• Voltage - Test: 50V
• Power - Output: 300W
• Package / Case: SOT-262A1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Noise Figure: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 934031850112

Philips Semiconductors
2003 Sep 19
handbook, full pagewidth
VHF push-pull power MOS transistor
Dimensions in mm.
The circuit and components are situated on one side of the PTFE fibre-glass board, the other side being fully metallized to serve as an earth.
Earth connections are made by means of copper straps for a direct contact between upper and lower sheets.
50
input
strap
strap
R1
C1
C2
C4
C3
Fig.13 Printed-circuit board and component layout for 108 MHz class-B test circuit.
V DD1
C5
T1
L1
L2
130
R11
C36
slider R2
slider R7
C6
IC1
C12
L3
L4
C15
C8
C11
C7 L5
R2 and R7
R3
R6
C35
C10
L6
C9
R4
R5
strap
strap
C14
C13
L7
L8
C18
C17
L9
L10
11
C23
C22
L13
L14
L12
L15
L11
L16
L11
L16
R8
C26
R9
C16
C19
V DD1
V DD2
C20
C25
L17
L18
C27
C21
C24
strap
strap
C28
150
L21
L19
L20
L23
L22
C29
Product Specification
C30
C31
C32
C34
MBC438
BLF278
C33
strap
strap
R10
50
output
100