2N6490 データシートの表示（PDF） - ON Semiconductor
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2N6490 Datasheet PDF : 6 Pages
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2N6487, 2N6488, (NPN) 2N6490, 2N6491 (PNP)
25 ms
+ 10 V
0
VCC
+ 30 V
RC
SCOPE
RB
- 10 V
tr, tf v 10 ns
DUTY CYCLE = 1.0%
51
D1
-4V
RB AND RC VARIED TO OBTAIN DESIRED CURRENT LEVELS.
FOR PNP, REVERSE ALL POLARITIES.
D1 MUST BE FAST RECOVERY TYPE, e.g.:
1N5825 USED ABOVE IB [ 100 mA
MSD6100 USED BELOW IB [ 100 mA
Figure 2. Switching Time Test Circuit
1000
500
tr
200
100
50
NPN
PNP
td @ VBE(off) [ 5.0 V
20
TC = 25°C
VCC = 30 V
IC/IB = 10
10
0.2
0.5
1.0 2.0
5.0
10 20
IC, COLLECTOR CURRENT (AMP)
Figure 3. Turn−On Time
1.0
0.7 D = 0.5
0.5
0.3
0.2
0.2
0.1
0.1
0.07
0.05
0.05
0.02
0.03
0.02
0.01 SINGLE PULSE
0.01
0.01 0.02
0.05 0.1 0.2
ZqJC (t) = r(t) RqJC
P(pk)
RqJC = 1.67°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) - TC = P(pk) ZqJC(t)
t1
t2
DUTY CYCLE, D = t1/t2
0.5 1.0 2.0
5.0 10 20
t, TIME (ms)
Figure 4. Thermal Response
50 100 200
500 1.0 k
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