參數(shù)資料
型號: 933754970215
廠商: NXP SEMICONDUCTORS
元件分類: 小信號晶體管
英文描述: VHF BAND, Si, N-CHANNEL, RF SMALL SIGNAL, MOSFET
封裝: MICRO MINIATURE, PLASTIC, SMD, 4 PIN
文件頁數(shù): 2/5頁
文件大小: 41K
代理商: 933754970215
July 1993
2
Philips Semiconductors
Product specication
N-channel dual-gate MOS-FET
BF994S
FEATURES
Protected against excessive input voltage surges by
integrated back-to-back diodes between gates
and source.
APPLICATIONS
VHF applications such as:
– VHF television tuners
– Professional communication equipment.
PINNING
PIN
SYMBOL
DESCRIPTION
1
s, b
source
2
d
drain
3g2
gate 2
4g1
gate 1
Fig.1 Simplified outline (SOT143) and symbol.
Marking code: MGp.
handbook, halfpage
s,b
d
g
1
g
2
43
2
1
Top view
MAM039
DESCRIPTION
Depletion type field-effect transistor in a plastic SOT143
microminiature package with interconnected source
and substrate.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
TYP.
MAX.
UNIT
VDS
drain-source voltage
20
V
ID
drain current
30
mA
Ptot
total power dissipation
up to Tamb =60 °C
200
mW
Tj
junction temperature
150
°C
transfer admittance
f = 1 kHz; ID = 10 mA; VDS =15V; VG2-S =4V
18
mS
Cig1-s
input capacitance at gate 1 f = 1 MHz; ID = 10 mA; VDS = 15 V; VG2-S = 4 V 2.5
3
pF
Crs
feedback capacitance
f = 1 MHz; ID = 10 mA; VDS = 15 V; VG2-S =4V 25
fF
F
noise gure
f = 200 MHz; GS = 2 mS; BS =BSopt;
ID = 10 mA; VDS =15V; VG2-S =4V
1
dB
Y
fs
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