BUL45 Просмотр технического описания (PDF) - Motorola => Freescale
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BUL45 Datasheet PDF : 10 Pages
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TYPICAL THERMAL RESPONSE
BUL45 BUL45F
1.00
D = 0.5
0.2
0.10 0.1
0.05
0.02
SINGLE PULSE
0.01
0.01
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
RθJC(t) = r(t) RθJC
RθJC = 2.5°C/W MAX
D CURVES APPLY FOR
POWER PULSE TRAIN
SHOWN READ TIME AT t1
TJ(pk) – TC = P(pk) RθJC(t)
0.10
1.00
10.00
100.00
t, TIME (ms)
Figure 20. Typical Thermal Response (ZθJC(t)) for BUL45
1000.00
1.00
D = 0.5
0.2
0.10
0.1
0.05
0.02
0.01
0.01
SINGLE PULSE
0.10
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
RθJC(t) = r(t) RθJC
RθJC = 5.0°C/W MAX
D CURVES APPLY FOR
POWER PULSE TRAIN
SHOWN READ TIME AT t1
TJ(pk) – TC = P(pk) RθJC(t)
1.00
10.00
100.00
1000.00
10000.00
100000.00
t, TIME (ms)
Figure 21. Typical Thermal Response (ZθJC(t)) for BUL45F
Motorola Bipolar Power Transistor Device Data
7
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