Datasheet

2N6283 2N6284 2N6286 2N6287
http://onsemi.com
3
Figure 2. Switching Times Test Circuit
10
0.2
Figure 3. Switching Times
I
C
, COLLECTOR CURRENT (AMP)
t, TIME (s)µ
7.0
2.0
1.0
0.7
0.5
0.1
0.3 0.7 3.0 20
0.2
1.0 5.0
0.3
3.0
5.0
0.5 2.0 7.0
0
V
CC
- 30 V
SCOPE
TUT
+ 4.0 V
t
r
, t
f
 10 ns
DUTY CYCLE = 1.0%
R
C
D
1
MUST BE FAST RECOVERY TYPE e.g.,
1N5825 USED ABOVE I
B
 100 mA
MSD6100 USED BELOW I
B
 100 mA
25 µs
D
1
51
R
B
& R
C
VARIED TO OBTAIN DESIRED CURRENT LEVELS
V
2
APPROX
+ 8.0 V
V
1
APPROX
- 12 V
 8.0 k  50
FOR t
d
AND t
r
, D
1
IS DISCONNECTED
AND V
2
= 0
FOR NPN TEST CIRCUIT REVERSE ALL POLARITIES
R
B
10
t
d
@ V
BE(off)
= 0 V
t
f
t
s
t
r
2N6284 (NPN)
2N6287 (PNP)
V
CC
= 30 Vdc
I
C
/I
B
= 250
I
B1
= I
B2
T
J
= 25°C
Figure 4. Thermal Response
t, TIME OR PULSE WIDTH (ms)
1.0
0.01
0.01
0.7
0.5
0.3
0.2
0.1
0.07
0.05
0.03
0.02
0.02 0.03
r(t), EFFECTIVE TRANSIENT
THERMAL RESISTANCE (NORMALIZED)
0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 1000500
R
θ
JC
(t) = r(t) R
θ
JC
R
θ
JC
= 1.09°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t
1
T
J(pk)
- T
C
= P
(pk)
R
θ
JC
(t)
P
(pk)
t
1
t
2
DUTY CYCLE, D = t
1
/t
2
D = 0.5
SINGLE PULSE
0.2
0.05
0.1
0.02
0.01
0.3 3.0 30 300