![](http://datasheet.mmic.net.cn/330000/LMBT3904WT1_datasheet_16424095/LMBT3904WT1_3.png)
LESHAN RADIO COMPANY, LTD.
LMBT3904/6WT1-3/11
NPN LMBT3904WT1
PNP LMBT3906WT1
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted) (Continued)
Characteristic
ON CHARACTERISTICS (2)
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
= 50 mAdc, V
CE
= 1.0 Vdc)
(I
C
= 100 mAdc, V
CE
= 1.0 Vdc)
(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
= –50 mAdc, V
CE
= –1.0 Vdc)
(I
C
= –100 mAdc, V
CE
= –1.0 Vdc)
Collector–Emitter Saturation Voltage
(I
C
= 10 mAdc, I
B
= 1.0 mAdc)
(I
C
= 50 mAdc, I
B
= 5.0 mAdc)
(I
C
= –10 mAdc, I
B
= –1.0 mAdc)
(I
C
= –50 mAdc, I
B
= –5.0 mAdc)
Base–Emitter Saturation Voltage
(I
C
= 10 mAdc, I
B
= 1.0 mAdc) LMBT3904WT1
(I
C
= 50 mAdc, I
B
= 5.0 mAdc)
(I
C
= –10 mAdc, I
B
= –1.0 mAdc) LMBT3906WT1
(I
C
= –50 mAdc, I
B
= –5.0 mAdc)
Symbol
Min
Max
Unit
h
FE
––
LMBT3904WT1
40
70
100
60
30
60
80
100
60
30
––
––
300
––
––
––
––
300
––
––
LMBT3906WT1
V
CE(sat)
Vdc
LMBT3904WT1
––
––
––
––
0.2
0.3
– 0.25
– 0.4
LMBT3906WT1
V
BE(sat)
Vdc
0.65
––
– 0.65
––
0.85
0.95
– 0.85
– 0.95
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product
(I
C
= 10 mAdc, V
CE
= 20 Vdc, f = 100 MHz)
(I
C
= –10 mAdc, V
CE
= –20 Vdc, f = 100 MHz)
Output Capacitance
(V
CB
= 5.0 Vdc, I
E
= 0, f = 1.0 MHz)
(V
CB
= –5.0 Vdc, I
E
= 0, f = 1.0 MHz)
Input Capacitance
(V
EB
= 0.5 Vdc, I
C
= 0, f = 1.0 MHz)
(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)
(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)
(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)
(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)
(V
CE
= –10 Vdc, I
C
= –1.0 mAdc, f = 1.0 kHz)
Noise Figure
(V
CE
= 5.0Vdc, I
C
= 100
μ
Adc, R
S
=1.0 k
, f =1.0kHz)
(V
CE
= –5.0Vdc, I
C
= –100
μ
Adc, R
S
=1.0 k
, f =1.0kHz)
f
T
MHz
LMBT3904WT1
LMBT3906WT1
300
250
––
––
C
obo
pF
LMBT3904WT1
LMBT3906WT1
––
––
4.0
4.5
C
ibo
pF
LMBT3904WT1
LMBT3906WT1
––
––
8.0
10.0
h
ie
k
LMBT3904WT1
LMBT3906WT1
1.0
2.0
10
12
h
re
X 10
–4
LMBT3904WT1
LMBT3906WT1
0.5
0.1
8.0
10
h
fe
—
LMBT3904WT1
LMBT3906WT1
100
100
400
400
h
oe
μ
mhos
LMBT3904WT1
LMBT3906WT1
1.0
3.0
40
60
NF
dB
LMBT3904WT1
LMBT3906WT1
––
––
5.0
4.0