LMBT3946DW1T1 LRC [Leshan Radio Company], LMBT3946DW1T1 Datasheet - Page 5

• Manufacturer Part Number: LMBT3946DW1T1
• Description: Dual General Purpose Transistors
• Manufacturer: LRC [Leshan Radio Company]

500
300
200
100
500
300
200
100
12
10
70
50
30
20
10
70
50
30
20
10
8
6
4
2
0
7
7
5
5
0.1
1.0
1.0
I C /I B = 20
SOURCE RESISTANCE = 500
I C = 100 A
(NPN)
(NPN)
0.2
SOURCE RESISTANCE = 200
I C = 1.0 mA
2.0 3.0
2.0 3.0
0.4
I C , COLLECTOR CURRENT (mA)
I C /I B = 10
SOURCE RESISTANCE = 200
I C = 0.5 mA
Figure 9. Noise Figure
I C , COLLECT OR CURRENT (mA)
Figure 5. Turn±On Time
Figure 7. Storage Time
5.0 7.0
5.0 7.0
1.0
f, FREQUENCY (kHz)
2.0
10
10
SOURCE RESISTANCE = 1.0 k
I C = 50 A
TYPICAL AUDIO SMALL±SIGNAL CHARACTERISTICS
t d @ V OB = 0 V
4.0
TYPICAL ELECTRICAL CHARACTERISTICS
20
20
(V CE = 5.0 Vdc, T A = 255C, Bandwidth = 1.0 Hz)
(NPN)
30
30
10
t r @ V CC = 3.0 V
I C
50
50
20
NOISE FIGURE VARIATIONS
/I
t' s = t s - 1 / 8 t f
I B1 = I B2
B = 20
70
70
I C /I B = 10
I C /I B = 10
LMBT3946DW1T1
40
100
100
2.0 V
15 V
40 V
100
(NPN)
200
200
500
300
200
100
500
300
200
100
70
50
30
20
10
70
50
30
20
10
14
12
10
7
5
7
5
8
6
4
2
0
1.0
1.0
0.1
f = 1.0 kHz I
(NPN)
(NPN)
LESHAN RADIO COMPANY, LTD.
0.2
2.0 3.0
2.0 3.0
I C = 0.5 mA
0.4
I C , COLLECTOR CURRENT (mA)
I C , COLLECTOR CURRENT (mA)
R S , SOURCE RESISTANCE (k OHMS)
Figure 10. Noise Figure
C = 1.0 mA
I C
5.0 7.0
5.0 7.0
Figure 6. Rise Time
Figure 8. Fall Time
/I
1.0
B = 10
10
10
2.0
I C /I B = 20
LMBT3946DW1T1
4.0
20
20
(NPN)
LMBT3946DW1T1 5/11
30
30
10
I C = 100 A
50
50
20
I C
V CC = 40 V
I B1 = I B2
V CC = 40 V
70
70
I C = 50 A
/I
B = 10
100
100
40
200
200
100