BF256A データシートの表示（PDF） - ON Semiconductor
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BF256A Datasheet PDF : 4 Pages
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BF256A
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max Unit
OFF CHARACTERISTICS
Gate–Source Breakdown Voltage
Gate–Source Voltage
Gate Reverse Current
ON CHARACTERISTICS
(–IG = –1.0 µAdc, VDS = 0) –V(BR)GSS
30
–
—
Vdc
(VDS = 15 Vdc, ID = 200 µA)
–VGS
0.5
—
7.5
Vdc
(–VGS = 20 Vdc, VDS = 0)
–IGSS
—
—
5.0
nAdc
Zero–Gate–Voltage Drain Current (Note 1.)
SMALL–SIGNAL CHARACTERISTICS
(VDS = 15 Vdc, VGS = 0)
IDSS
3.0
–
7.0 mAdc
Forward Transfer Admittance
Reverse Transfer Capacitance
Output Capacitance
Cut–Off Frequency (Note 2.)
(VDS = 15 Vdc, VGS = 0, f = 1 kHz)
(VDS = 20 Vdc, –VGS = 1 Vdc, f = 1 MHz)
(VDS = 20 Vdc, VGS = 0, f = 1 MHz)
(VDS = 15 Vdc, VGS = 0)
|Yfs|
Crss
Coss
fgfs
4.5
5.0
–
0.7
–
1.0
–
1000
–
mmhos
–
pF
–
pF
–
MHz
1. Pulse Test: Pulse Width = 300 µs, Duty Cycle = 2.0%.
2. The frequency at which gfs is 0.7 of its value at 1 KHz.
10
5
9
4.5
8
VDS = 15 Vdc
4
–VGS = 0 V
7
3.5
6
3
0.2 V
5
2.5
4
2
0.4 V
3
1.5
0.6 V
2
1
1
BF256A
0.5
0.8 V
0
0
0
5
10
15
20
25
0 2 4 6 8 10 12 14 16 18 20
IDSS, DRAIN CURRENT (mA) @ VGS = 0
VDS, DRAIN–TO–SOURCE VOLTAGE (VOLTS)
Figure 2. Correlation Between
–VGS(off) and IDSS
Figure 3. Drain Current versus
Drain–to–Source Voltage
http://onsemi.com
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