Datasheet

MMBT3904L, SMMBT3904L
http://onsemi.com
3
TYPICAL TRANSIENT CHARACTERISTICS
Figure 3. Capacitance
REVERSE BIAS VOLTAGE (VOLTS)
2.0
3.0
5.0
7.0
10
1.0
0.1
Figure 4. Charge Data
I
C
, COLLECTOR CURRENT (mA)
5000
1.0
V
CC
= 40 V
I
C
/I
B
= 10
Q, CHARGE (pC)
3000
2000
1000
500
300
200
700
100
50
70
2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
CAPACITANCE (pF)
1.0 2.0 3.0 5.0 7.0 10 20
30 40
0.2 0.3 0.5 0.7
Q
T
Q
A
C
ibo
C
obo
T
J
= 25°C
T
J
= 125°C
Figure 5. Turn −On Time
I
C
, COLLECTOR CURRENT (mA)
70
100
200
300
500
50
Figure 6. Rise Time
I
C
, COLLECTOR CURRENT (mA)
TIME (ns)
1.0 2.0 3.0 10 20
70
5
100
t , RISE TIME (ns)
Figure 7. Storage Time
I
C
, COLLECTOR CURRENT (mA)
Figure 8. Fall Time
I
C
, COLLECTOR CURRENT (mA)
5.0 7.0 30 50
200
10
30
7
20
70
100
200
300
500
50
1.0 2.0 3.0 10 20
70
5
100
5.0 7.0 30 50
200
10
30
7
20
70
100
200
300
500
50
1.0 2.0 3.0 10 20
70
5
100
5.0 7.0
30 50
200
10
30
7
20
70
100
200
300
500
50
1.0 2.0 3.0 10 20
70
5
100
5.0 7.0
30 50
200
10
30
7
20
r
t , FALL TIME (ns)
f
t , STORAGE TIME (ns)
s
′
V
CC
= 40 V
I
C
/I
B
= 10
V
CC
= 40 V
I
B1
= I
B2
I
C
/I
B
= 20
I
C
/I
B
= 10
I
C
/I
B
= 10
t
r
@ V
CC
= 3.0 V
t
d
@ V
OB
= 0 V
40 V
15 V
2.0 V
I
C
/I
B
= 10
I
C
/I
B
= 20
I
C
/I
B
= 10
I
C
/I
B
= 20
t′
s
= t
s
-
1
/
8
t
f
I
B1
= I
B2