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LESHAN RADIO COMPANY, LTD.
LMBT4401LT1–2/6
LMBT4401LT1
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted) (Continued)
Characteristic
ON CHARACTERISTICS ( 3 )
DC Current Gain
(I
C
= 0.1 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 1.0 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 10 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 150 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 500 mAdc, V
CE
= 2.0 Vdc)
Collector–Emitter Saturation Voltage
(I
C
= 150 mAdc, I
B
= 15 mAdc)
(I
C
= 500 mAdc, I
B
= 50 mAdc)
Base–Emitter Saturation Voltage
(I
C
= 150 mAdc, I
B
= 15 mAdc)
(I
C
= 500 mAdc, I
B
= 50 mAdc)
Symbol
Min
Max
Unit
h
FE
––
20
40
80
100
40
––
––
––
300
––
V
CE(sat)
Vdc
––
––
0.4
0.75
V
BE(sat)
Vdc
0.75
––
0.95
1.2
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product
(I
C
= 20 mAdc, V
CE
= 10Vdc, f = 100 MHz)
Collector–Base Capacitance
(V
CB
= 5.0 Vdc, I
E
= 0, f = 1.0 MHz)
Emitter–Base Capacitance
(V
EB
= 0.5 Vdc, I
C
= 0, f = 1.0 MHz)
Input Impedance
(V
CE
= 10 Vdc, I
C
= 1.0 mAdc, f = 1.0 kHz)
Voltage Feedback Ratio
(V
CE
= 10 Vdc, I
C
= 1.0 mAdc, f = 1.0 kHz)
Small–Signal Current Gain
(V
CE
= 10 Vdc, I
C
= 1.0 mAdc, f = 1.0 kHz)
Output Admittance
(V
CE
= 10 Vdc, I
C
= 1.0 mAdc, f = 1.0 kHz)
f
T
MHz
250
––
C
cb
pF
––
6.5
C
eb
pF
––
30
h
ie
k
1.0
15
h
re
X 10
–4
0.1
8.0
h
fe
—
40
500
h
oe
μ
mhos
1.0
30
SWITCHING CHARACTERISTICS
Delay Time
(V
CC
= 30 Vdc, V
EB
= 2.0 Vdc
t
d
—
15
Rise Time
I
C
= 150 mAdc, I
B1
= 15 mAdc)
t
r
—
20
ns
Storage Time
(V
CC
= 30 Vdc, I
C
= 150 mAdc
t
s
—
225
ns
Fall Time
I
B1
= I
B2
= 15 mAdc)
t
f
—
30
Figure 1. Turn–On Time
Scope rise time < 4.0ns
*Total shunt capacitance of test jig connectors, and oscilloscope
1.0 k
+30 V
200
C
S
*< 10 pF
1.0 k
+30 V
200
C
S
* < 10 pF
1N916
+ 16 V
–14 V
< 20 ns
<2.0 ns
– 2.0V
+ 16 V
Figure 2. Turn–Off Time
1.0 to 100
μ
s,
DUTY CYCLE = 2%
SWITCHING TIME EQUIVALENT TEST CIRCUITS
0
0
1.0 to 100
μ
s,
DUTY CYCLE = 2%
– 4.0 V
3. Pulse Test: Pulse Width
<
300
μ
s; Duty Cycle
<
2.0%.