LMBT3946DW1T1 Datasheet, PDF (5/11 Pages) Leshan Radio Company – Dual General Purpose Transistors

LESHAN RADIO COMPANY, LTD.
LMBT3946DW1T1
TYPICAL ELECTRICAL CHARACTERISTICS
LMBT3946DW1T1
(NPN)
500
500
300
IC/IB = 10
300
VCC= 40 V
200
200
IC _/IB = 10
100
70
tr@ VCC= 3.0 V
50
30
20
40 V
10 _(NPN)
7
5
1.0 2.0 3.0
15 V
td@ VOB= 0 V
2.0 V
5.0 7.010 20 30 50 70 100 200
IC, COLLECOTR CURRENT (mA)
Figure 5. Turn±On Time
500
300 _{IC/IB = 20}
200
IC/IB ^{= 10}
t's = ts- ^1/8tf
IB1= IB2
100
70
50
IC/I_B = 20
30
IC /IB= 10
20
100
70
50
30
20
10 _(NPN)
7
5
1.0 2.0 3.0
5.0 7.010
20 30 50 70 100 200
IC, COLLECTOR CURRENT (mA)
Figure 6. Rise Time
500
300
VCC= 40 V
200
IB1= IB2
IC/IB = 20
100
70
50
30
IC_/IB= 10
20
10 _(NPN)
7
5
1.0 2.0 3.0
5.0 7.010
20 30 50 70 100 200
IC , COLLECTOR CURRENT (mA)
Figure 7. Storage Time
10 _(NPN)
7
5
1.0 2.0 3.0 5.0 7.010
20 30 50 70 100 200
IC, _{COLLECTOR CURRENT (mA)}
Figure 8. Fall Time
TYPICAL AUDIO SMALL±SIGNAL CHARACTERISTICS
NOISE FIGURE VARIATIONS
(VCE = 5.0 Vdc, TA = 255C, Bandwidth = 1.0 Hz)
12
SOURCE RESISTANCE = 200
10
IC = 1.0 mA
8
SOURCE RESISTANCE = 200
IC = 0.5 mA
6
SOURCE RESISTANCE = 1.0 k
IC = 50 A
4
2 _{SOURCE RESISTANCE = 500}
IC = 100 A
(NPN)
0
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
f, FREQUENCY (kHz)
Figure 9. Noise Figure
14
12 ^{f = 1.0 kHz IC = 1.0 mA}
10
IC = 0.5 mA
8
6
IC = 50 A
IC = 100 A
4
2
(NPN)
0
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
RS, SOURCE RESISTANCE (k OHMS)
Figure 10. Noise Figure
LMBT3946DW1T1 5/11