BF988(1999) View Datasheet(PDF) - Vishay Semiconductors
Part Name
Description
Manufacturer
BF988 Datasheet PDF : 8 Pages
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BF988
Vishay Telefunken
Typical Characteristics (Tamb = 25_C unless otherwise specified)
300
250
200
150
100
50
0
0 20 40 60 80 100 120 140 160
96 12159
Tamb – Ambient Temperature ( °C )
Figure 1. Total Power Dissipation vs.
Ambient Temperature
30
VG2S= 4V
25
VG1S= 0.6V
20
0.4V
15
0.2V
10
5
0
0
12812
0
–0.2V
–0.4V
2
4
6
8
10
VDS – Drain Source Voltage ( V )
Figure 2. Drain Current vs.
Drain Source Voltage
20
VDS= 8V 6V
16
5V
4V
12
3V
2V
1V
8
4
0
0
–0.8 –0.4 0.0
VG2S=–1V
0.4 0.8 1.2
12816
VG1S – Gate 1 Source Voltage ( V )
Figure 3. Drain Current vs. Gate 1 Source Voltage
20
VDS= 8V
16
12
5V 4V 3V
2V
1V
8
0
4
12817
0
–0.6
VG1S= –1V
–0.2 0.2 0.6 1.0 1.4
VG2S – Gate 2 Source Voltage ( V )
Figure 4. Drain Current vs. Gate 2 Source Voltage
2.8
VDS=8V
2.4 VG2S=4V
f=1MHz
2.0
1.6
1.2
0.8
0.4
0
–2 –1.5 –1.0 –0.5 0.0 0.5 1.0 1.5
12813
VG1S – Gate 1 Source Voltage ( V )
Figure 5. Gate 1 Input Capacitance vs.
Gate 1 Source Voltage
2.8
2.4
VDS=8V
VG1S=0
f=1MHz
2.0
1.6
1.2
0.8
0.4
0
–1 0
1
2
3
4
5
12814
VG2S – Gate 2 Source Voltage ( V )
Figure 6. Gate 2 Input Capacitance vs.
Gate 2 Source Voltage
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4 (8)
Document Number 85007
Rev. 4, 08-Jul-99
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