LMBT3904DW1T1G Datasheet, PDF (3/7 Pages) Leshan Radio Company – Dual General Purpose Transistor

LESHAN RADIO COMPANY, LTD.
LMBT3904DW1T1G
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) (Continued)
Characteristic
Symbol Min
Input Impedance
(VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz)
hie
1.0
2.0
Voltage Feedback Ratio
(VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz)
hre
0.5
0.1
Small–Signal Current Gain
(VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz)
hfe
100
100
Output Admittance
(VCE = 10 Vdc, IC = 1.0 mAdc, f = 1.0 kHz)
hoe
1.0
3.0
Noise Figure
(VCE = 5.0 Vdc, IC = 100 mAdc, RS = 1.0 k Ω, f = 1.0 kHz)
NF
–
–
SWITCHING CHARACTERISTICS
Delay Time
Rise Time
Storage Time
Fall Time
(VCC = 3.0 Vdc, VBE = –0.5 Vdc)
(IC = 10 mAdc, IB1 = 1.0 mAdc)
(VCC = 3.0 Vdc, IC = 10 mAdc)
(IB1 = IB2 = 1.0 mAdc)
td
–
tr
–
ts
–
tf
–
Max
Unit
kΩ
10
12
X 10–4
8.0
10
–
400
400
mmhos
40
60
dB
5.0
4.0
35
ns
35
200
ns
50
DUTY CYCLE = 2%
300 ns
-ā0.5 V
+10.9 V
10 k
< 1 ns
+3 V
275
10 < t1 < 500 ms
t1
DUTY CYCLE = 2%
Cs < 4 pF*
0
-ā9.1 V′
+10.9 V
10 k
< 1 ns
1N916
+3 V
275
Cs < 4 pF*
* Total shunt capacitance of test jig and connectors
Figure 1. Delay and Rise Time
Equivalent Test Circuit
Figure 2. Storage and Fall Time
Equivalent Test Circuit
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