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LESHAN RADIO COMPANY, LTD.
LO8–2/5
LMBT2907LT1 LMBT2907ALT1
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C unless otherwise noted) (Continued)
Characteristic
ON CHARACTERISTICS
DC Current Gain
(I
C
= –0.1mAdc, V
CE
= –10 Vdc)
Symbol
Min
Max
Unit
h
FE
––
LMBT2907
LMBT2907A
LMBT2907
LMBT2907A
LMBT2907
LMBT2907A
LMBT2907
LMBT2907A
LMBT2907
LMBT2907A
35
75
50
100
75
100
––
100
30
50
––
––
––
––
––
––
––
300
––
––
(I
C
=–1.0mAdc, V
CE
= –10 Vdc)
(I
C
= –10 mAdc, V
CE
= –10Vdc)
(I
C
= –150mAdc, V
CE
=–10 Vdc)(3)
(I
C
= –500mAdc, V
CE
=–10 Vdc)(3)
Collector–Emitter Saturation Voltage(3)
(I
C
= –150mAdc, I
B
= –15 mAdc)
(I
C
= –500 mAdc, I
B
= –50 mAdc)
Base–Emitter Saturation Voltage(3)
(I
C
= –150mAdc, I
B
= –15 mAdc)
(I
C
= –500mAdc, I
B
= –50 mAdc)
V
CE(sat)
Vdc
––
––
–0.4
–1.6
V
BE(sat)
Vdc
––
––
–1.3
–2.6
SMALL–SIGNAL CHARACTERISTICS
Current–Gain — Bandwidth Product(3),(4)
(I
C
= –50mAdc, V
CE
= –20Vdc, f = 100MHz)
Output Capacitance
(V
CB
= –10 Vdc, I
E
= 0, f = 1.0 MHz)
Input Capacitance
f
T
200
––
MHz
C
obo
––
8.0
pF
C
ibo
––
30
pF
(V
EB
= –2.0Vdc, I
C
= 0, f = 1.0 MHz)
SWITCHING CHARACTERISTICS
Turn–On Time
Delay Time
Rise Time
Fall Time
Storage Time
Turn–Off Time
(V
CC
= –30 Vdc,
I
C
= –150 mAdc, I
B1
= –15 mAdc)
t
on
t
d
t
r
t
f
t
s
t
off
—
—
—
—
—
—
45
10
40
30
80
100
ns
(V
CC
= –6.0 Vdc,
I
C
= –150 mAdc,I
B1
= I
B2
= 15 mAdc)
ns
3. Pulse Test: Pulse Width
<
300
μ
s, Duty Cycle
<
2.0%.
4. f
T
is defined as the frequency at which |h f
e
| extrapolates to unity.
Figure 1. Delay and Rise Time Test Circuit
0
0
–16 V
200 ns
50
1.0 k
200
–30 V
TO OSCILLOSCOPE
RISE TIME
<
5.0 ns
+15 V
–6.0 V
1.0 k
37
50
1N916
1.0 k
200 ns
–30 V
TO OSCILLOSCOPE
RISE TIME
<
5.0 ns
INPUT
Z
O
= 50
PRF = 150 PPS
RISE TIME
<
2.0 ns
P.W.
<
200 ns
INPUT
Z o = 50
PRF = 150 PPS
RISE TIME
<
2.0 ns
P.W.
<
200 ns
Figure 2. Storage and Fall Time Test Circuit