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BUL147 데이터 시트보기 (PDF) - Motorola => Freescale
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BUL147
POWER TRANSISTOR 8.0 AMPERES 700 VOLTS 45 and 125 WATTS
Motorola => Freescale
BUL147 Datasheet PDF : 10 Pages
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TYPICAL THERMAL RESPONSE
BUL147 BUL147F
1
D = 0.5
0.2
0.1
0.1
0.05
0.02
0.01
0.01
SINGLE PULSE
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
R
θ
JC(t)
= r(t) R
θ
JC
R
θ
JC
= 1.0
°
C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) – TC = P(pk) R
θ
JC(t)
0.1
1
10
100
1000
t, TIME (ms)
Figure 20. Typical Thermal Response (Z
θ
JC(t))
for BUL147
1
D = 0.5
0.2
0.1
0.1
0.05
0.02
0.01
0.01
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
R
θ
JC(t)
= r(t) R
θ
JC
R
θ
JC
= 2.78
°
C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) – TC = P(pk) R
θ
JC(t)
SINGLE PULSE
0.1
1
10
100
t, TIME (ms)
1000
10000
100000
Figure 21. Typical Thermal Response (Z
θ
JC(t))
for BUL147F
Motorola Bipolar Power Transistor Device Data
3–7
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