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BF998 Datasheet(PDF) 4 Page - Vishay Siliconix

Part No. BF998
Description  N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
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BF998 Datasheet(HTML) 4 Page - Vishay Siliconix

   
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BF998/BF998R/BF998RW
Vishay Telefunken
www.vishay.de
• FaxBack +1-408-970-5600
Rev. 4, 23-Jun-99
4 (9)
Document Number 85011
Typical Characteristics (Tamb = 25_C unless otherwise specified)
0
50
100
150
200
250
300
0
20
40
60
80
100 120 140 160
Tamb – Ambient Temperature ( °C )
96 12159
Figure 1. Total Power Dissipation vs.
Ambient Temperature
0
5
10
15
20
25
30
024
68
10
VDS – Drain Source Voltage ( V )
12812
VG1S= 0.6V
0.4V
0
–0.4V
0.2V
VG2S=4V
–0.2V
Figure 2. Drain Current vs. Drain Source Voltage
0
4
8
12
16
20
–0.8
–0.4
0.0
0.4
0.8
1.2
VG1S – Gate 1 Source Voltage ( V )
12816
6V
5V
4V
0
2V
1V
3V
VDS=8V
VG2S=–1V
Figure 3. Drain Current vs. Gate 1 Source Voltage
0
4
8
12
16
20
–0.6
–0.2
0.2
0.6
1.0
1.4
VG2S – Gate 2 Source Voltage ( V )
12817
0
2V
1V
3V
VDS=8V
5V
VG1S= –1V
4V
Figure 4. Drain Current vs. Gate 2 Source Voltage
0
0.5
1.0
1.5
2.0
2.5
3.0
–2
–1.5
–1.0
–0.5
0.0
0.5
1.0
1.5
VG1S – Gate 1 Source Voltage ( V )
12863
VDS=8V
VG2S=4V
f=1MHz
Figure 5. Gate 1 Input Capacitance vs.
Gate 1 Source Voltage
0
0.5
1.0
1.5
2.0
2.5
3.0
246
8
10
12
VDS – Drain Source Voltage ( V )
12864
VG2S=4V
f=1MHz
Figure 6. Output Capacitance vs. Drain Source Voltage


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