LESHAN RADIO COMPANY, LTD.
MMBT6520LT1
10k
7.0k
5.0k
3.0k
2.0k
1.0k
700
500
300
200
100
1.0
2.0
3.0
5.0 7.0
10
20
30
50
70 100
t
S
t, TIME (ns)
t
r
V
CE(off)
= 100 V
I
C
/I
B
= 5.0
I
B1
= I
B2
T
J
= 25°C
I
C
, COLLECTOR CURRENT (mA)
Figure 7. Turn–On Time
+V CC
V
CC
ADJUSTED
FOR V
CE(off)
= 100 V
2.2 k
50
Ω
SAMPLING SCOPE
20 k
1.0 k
–9.2 V
1/2MSD7000
50
+10.8 V
PULSE WIDTH ~ 100 ms
~
t
r
, t
f
<
5.0 ns
DUTY CYCLE
<
1.0%
FOR PNP TEST CIRCUIT,
REVERSE ALL VOLTAGE POLARITIES
APPROXIMATELY
–1.35 V
(ADJUST FOR V
(BE)off
= 2.0 V)
Figure 8. Switching Time Test Circuit
1.0
RESISTANCE (NORMALIZED)
0.7
0.5
0.3
0.2
D = 0.5
0.1
0.1
0.07
0.05
0.03
0.02
0.01
0.1
0.2
0.05
SINGLE PULSE
SINGLE PULSE
Z
qJC(t)
= r(t) • R
qJC
T
J(pk)
– T
C
= P
(pk)
Z
qJC(t)
Z
qJA(t)
= r(t) • R
qJA
T
J(pk)
– T
A
= P
(pk)
Z
qJA(t)
0.5
1.0
2.0
5.0
10
20
50
100
200
500
1.0
2.0
5.0
10
t, TIME (ms)
Figure 9. Thermal Response
M24–4/5
LRC [ LESHAN RADIO COMPANY ]
