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BDW42 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. BDW42
Description  Darlington Complementary Silicon Power Transistors
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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BDW42 Datasheet(HTML) 3 Page - ON Semiconductor

   
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BDW42 − NPN, BDW46, BDW47 − PNP
http://onsemi.com
3
90
60
40
20
0
25
50
75
100
125
150
Figure 1. Power Temperature Derating Curve
TC, CASE TEMPERATURE (°C)
80
70
50
30
10
Figure 2. Switching Times Test Circuit
5.0
0.1
Figure 3. Switching Times
IC, COLLECTOR CURRENT (AMP)
3.0
0.7
0.5
0.3
0.2
0.05
0.2
0.3
0.7
3.0
10
td @ VBE(off) = 0 V
VCC = 30 V
IC/IB = 250
IB1 = IB2
TJ = 25°C
tf
0.07
1.0
5.0
ts
tr
0.1
1.0
2.0
0.5
2.0
7.0
0
VCC
− 30 V
SCOPE
TUT
+ 4.0 V
tr, tf v 10 ns
DUTY CYCLE = 1.0%
RC
D1 MUST BE FAST RECOVERY TYPES, e.g.:
1N5825 USED ABOVE IB [ 100 mA
MSD6100 USED BELOW IB [ 100 mA
25
ms
D1
51
RB AND RC VARIED TO OBTAIN DESIRED CURRENT LEVELS
V2
APPROX
+ 8.0 V
V1
APPROX
− 12 V
[ 8.0 k
[ 150
for td and tr, D1 id disconnected
and V2 = 0
For NPN test circuit reverse all polarities
RB
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
0.05
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
1000
500
RqJC(t) = r(t) RqJC
RqJC = 1.92°C/W
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) − TC = P(pk) RqJC(t)
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
D = 0.5
SINGLE PULSE
0.2
0.05
0.1
0.02
0.01
0.03
0.3
3.0
30
300


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