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BF1212 Fiches technique(PDF) 2 Page - Quanzhou Jinmei Electronic Co.,Ltd.

No de pièce BF1212
Description  N-channel dual-gate MOS-FETs
Download  15 Pages
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Fabricant  JMNIC [Quanzhou Jinmei Electronic Co.,Ltd.]
Site Internet  http://www.jmnic.com
Logo JMNIC - Quanzhou Jinmei Electronic Co.,Ltd.

BF1212 Fiches technique(HTML) 2 Page - Quanzhou Jinmei Electronic Co.,Ltd.

  BF1212_15 Datasheet HTML 1Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 2Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 3Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 4Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 5Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 6Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 7Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 8Page - Quanzhou Jinmei Electronic Co.,Ltd. BF1212_15 Datasheet HTML 9Page - Quanzhou Jinmei Electronic Co.,Ltd. Next Button
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2003 Nov 14
2
Philips Semiconductors
Product specification
N-channel dual-gate MOS-FETs
BF1212; BF1212R; BF1212WR
FEATURES
• Short channel transistor with high forward transfer
admittance to input capacitance ratio
• Low noise gain controlled amplifier
• Excellent low frequency noise performance
• Partly internal self-biasing circuit to ensure good
cross-modulation performance during AGC and good
DC stabilization.
APPLICATIONS
• Gain controlled low noise VHF and UHF amplifiers for
5 V digital and analog television tuner applications.
DESCRIPTION
Enhancement type N-channel field-effect transistor with
source and substrate interconnected. Integrated diodes
between gates and source protect against excessive input
voltage surges. The BF1212, BF1212R and BF1212WR
are encapsulated in the SOT143B, SOT143R and
SOT343R plastic packages respectively.
PINNING
PIN
DESCRIPTION
1
source
2
drain
3
gate 2
4
gate 1
handbook, 2 columns
Top view
MSB014
12
3
4
Fig.1 Simplified outline (SOT143B).
BF1212; marking code: LGp
handbook, 2 columns
Top view
MSB035
1
2
4
3
Fig.2 Simplified outline (SOT143R).
BF1212R; marking code: LKp
handbook, halfpage
Top view
MSB842
21
4
3
Fig.3 Simplified outline (SOT343R).
BF1212WR; marking code: ML
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VDS
drain-source voltage
−−
6V
ID
drain current
−−
30
mA
Ptot
total power dissipation
−−
180
mW
y
fs
forward transfer admittance
28
33
43
mS
Cig1-ss
input capacitance at gate 1
1.7
2.2
pF
Crss
reverse transfer capacitance
f = 1 MHz
15
30
fF
F
noise figure
f = 800 MHz
1.1
1.8
dB
Xmod
cross-modulation
input level for k = 1 % at
40 dB AGC
100
104
dB
µV
Tj
junction temperature
−−
150
°C


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