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BFR31,235

P1-P3P4-P6P7-P9P10-P12P13-P13
1997 Dec 05 7
NXP Semiconductors Product specification
N-channel field-effect transistors BFR30; BFR31
Fig.11 Common source transfer admittance as a
function of drain current; typical values.
V
DS
=10V; f=1kHz; T
amb
=25C.
handbook, halfpage
0
7.5
5
2.5
0
2
I
D
(mA)
46
MDA664
y
fs
(mA/V)
BFR30
BFR31
Fig.12 Common source output admittance as a
function of drain current; typical values.
V
DS
=10V; f=1kHz; T
amb
=25C.
handbook, halfpage
0
75
50
25
0
2
I
D
(mA)
46
BFR30
BFR31
MDA665
y
os
(μA/V)
Fig.13 Common source output admittance as a
function of drain-source voltage;
typical values.
f=1kHz; T
amb
=25C.
(1) I
D
=4mA. (2) I
D
=1mA.
handbook, halfpage
30
(2)
BFR30
BFR31
01020
V
DS
(V)
10
4
10
3
10
2
10
MDA666
|y
os
|
(μA/V)
(1)
Fig.14 Input capacitance as a function of
gate-source voltage; typical values.
V
DS
=10V; f=1MHz; T
amb
=25C.
handbook, halfpage
0 −5
5
0
1
2
3
4
−1 −2 −3
C
is
(pF)
V
GS
(V)
−4
MDA667
1997 Dec 05 8
NXP Semiconductors Product specification
N-channel field-effect transistors BFR30; BFR31
Fig.15 Feedback capacitance as a function of
gate-source voltage; typical values.
V
DS
=10V; f=1MHz; T
amb
=25C.
handbook, halfpage
0 −5
−1
0
−0.2
−0.4
−0.6
−0.8
−1 −2 −3
C
rs
(pF)
V
GS
(V)
−4
MDA668
Fig.16 Equivalent noise voltage source as a function of frequency; typical values.
V
DS
=10V; T
amb
=25C.
(1) BFR31; I
D
=1mA.
(2) BFR30; I
D
=4mA.
handbook, full pagewidth
10
4
10
3
10
2
10
1
10 10
2
10
3
10
4
f (Hz)
10
5
10
6
MDA669
(1)
(2)
e
n
(nV/ Hz)
1997 Dec 05 9
NXP Semiconductors Product specification
N-channel field-effect transistors BFR30; BFR31
Fig.17 Equivalent noise current source as a function of frequency; typical values.
handbook, full pagewidth
10
4
10
3
10
2
10
1
10 10
2
10
3
10
4
f (Hz)
10
5
10
6
MDA670
i
n
(fA/ Hz)
(1)
(2)
V
DS
=10V; T
amb
=25C.
(1) BFR31; I
D
=1mA.
(2) BFR30; I
D
=4mA.
P1-P3P4-P6P7-P9P10-P12P13-P13

BFR31,235

Mfr. #:
Buy BFR31,235
Manufacturer:
NXP Semiconductors
Description:
RF JFET Transistors N-Channel Single '+/- 25V 5mA
Lifecycle:
New from this manufacturer.
Delivery:
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