BF909 NXP Semiconductors, BF909 Datasheet - Page 2

• Manufacturer Part Number: BF909
• Description: Enhancement type Field-Effect Transistor in a plastic SOT143 package
• Manufacturer: NXP Semiconductors

Specifications of BF909

• Application: VHF/UHF
• Channel Type: N
• Channel Mode: Enhancement
• Continuous Drain Current: 0.04A
• Drain Source Voltage (max): 7V
• Noise Figure (max): 2.8dB
• Frequency (max): 1GHz
• Package Type: SOT-143B
• Pin Count: 3 +Tab
• Input Capacitance (typ)@vds: 3.6@5V@Gate 1/2.3@5V@Gate 2pF
• Output Capacitance (typ)@vds: 2.3@5VpF
• Reverse Capacitance (typ): 0.035@5VpF
• Operating Temp Range: -65C to 150C
• Mounting: Surface Mount
• Number Of Elements: 2
• Power Dissipation (max): 200@Ta=50CmW
• Screening Level: Military
• Lead Free Status / Rohs Status: Compliant

NXP Semiconductors
FEATURES
APPLICATIONS
DESCRIPTION
Enhancement type field-effect transistor in a plastic
microminiature SOT143 or SOT143R package. The
QUICK REFERENCE DATA
handbook, halfpage
V
I
P
T
C
C
F
D
y
j
Specially designed for use at 5 V supply voltage
High forward transfer admittance
Short channel transistor with high forward transfer
admittance to input capacitance ratio
Low noise gain controlled amplifier up to 1 GHz
Superior cross-modulation performance during AGC.
VHF and UHF applications with 3 to 7 V supply voltage
such as television tuners and professional
communications equipment.
DS
tot
ig1-s
rs
N-channel dual gate MOS-FETs
BF909 marking code: %M3.
SYMBOL
fs
Top view
Fig.1 Simplified outline (SOT143) and symbol.
4
1
drain-source voltage
drain current
total power dissipation
operating junction temperature
forward transfer admittance
input capacitance at gate 1
reverse transfer capacitance
noise figure
3
2
MAM124
PARAMETER
g
g
2
1
d
Rev. 02 - 19 November 2007
s,b
f = 1 MHz
f = 800 MHz
transistor consists of an amplifier MOS-FET with source
and substrate interconnected and an internal bias circuit to
ensure good cross-modulation performance during AGC.
PINNING
handbook, halfpage
CONDITIONS
The device is supplied in an antistatic package. The
gate-source input must be protected against static
discharge during transport or handling.
Top view
BF909R marking code: %M4.
PIN
Fig.2 Simplified outline (SOT143R) and symbol.
1
2
3
4
3
2
SYMBOL
1
s, b
g
g
d
4
2
1
36
MAM125 - 1
MIN.
CAUTION
source
drain
gate 2
gate 1
43
3.6
35
2
BF909; BF909R
TYP.
DESCRIPTION
g
g
Product specification
2
1
7
40
200
150
50
4.3
50
2.8
MAX.
d
2 of 12
V
mA
mW
mS
pF
fF
dB
C
UNIT
s,b