BF959 ON Semiconductor, BF959 Datasheet - Page 3

• Manufacturer Part Number: BF959
• Description: TRANS RF NPN 20V 100MA TO-92
• Manufacturer: ON Semiconductor

Specifications of BF959

• Transistor Type: NPN
• Voltage - Collector Emitter Breakdown (max): 20V
• Frequency - Transition: 700MHz
• Noise Figure (db Typ @ F): 3dB @ 200MHz
• Power - Max: 625mW
• Dc Current Gain (hfe) (min) @ Ic, Vce: 40 @ 20mA, 10V
• Current - Collector (ic) (max): 100mA
• Mounting Type: Through Hole
• Package / Case: TO-92-3 (Standard Body), TO-226
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Gain: -

1000
500
200
100
2.0
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.5
0.4
0.3
0.2
0.1
50
40
30
20
10
10
5
4
3
2
1
1
1
1
1
Figure 3. Current−Gain − Bandwidth Product
V
CE
= 10 V
Figure 5. Input Impedance at 30 MHz
2
2
2
3
3
3
I
I
I
C
C
C
, COLLECTOR CURRENT (mA)
, COLLECTOR CURRENT (mA)
, COLLECTOR CURRENT (mA)
4 5
Figure 1. h
4 5
4 5
10
10
10
FE
at 10 V
20
20
20
30
30
30
g11e
2 V
b11e
40
50
50
50
5 V
http://onsemi.com
10 V
100
100
100
BF959
3
500
200
100
500
300
200
100
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
50
40
30
20
10
50
40
30
20
10
1
1
1
1
V
CE
Figure 6. Output Impedance at 30 MHz
= 10 V
2
2
2
Figure 2. V
3
V
I
I
Figure 4. Capacitances
C
C
R
3
3
, COLLECTOR CURRENT (mA)
, COLLECTOR CURRENT (mA)
, REVERSE VOLTAGE (VOLTS)
4 5
C
ib
4 5
4 5
CE(sat)
10
at I
10
10
C
/I
20
B
C
C
re
ob
= 10
30
20
20
b22e
30
50
30
g22e
100
50
50