BUT33

3

Motorola Bipolar Power Transistor Device Data

TYPICAL CHARACTERISTICS

3.2

1

IC, COLLECTOR CURRENT (AMPS)

2

3

7

10

50

2.8

2.5

2.2

1.9

2.5

IC, COLLECTOR CURRENT (AMPS)

2.2

1.9

1.6

1.3

1.0

0.7

0.4

TC = 25°C

IC/IB = 10

1.6

1.3

20

IC = 40 A

400

1

Figure 1. DC Current Gain

IC, COLLECTOR CURRENT (AMPS)

1

2

3

4

6

10

20

30 40

60

100

30

20

10

Figure 2. Collector Saturation Region

0.1

IB, BASE CURRENT (AMPS)

0

0.2 0.3

0.5

1

4

3

2

1

200

50

5

3

2

TC = 25°C

VCE = 5.0 V

IC = 20 A

TC = 25°C

2

3

5

7

10

Figure 3. Collector–Emitter Saturation Voltage

30

5

1

2

3

7

10

50

20

30

5

TC = 25°C

IC/IB = 10

1.0

Figure 4. Base–Emitter Voltage

t, TIME (ms)

1

0.01

0.01

0.5

0.2

0.1

0.05

0.02

0.05

1

2

5

10

20

50

100

200

500

R

θJC(t) = r(t) RθJC

R

θJC(t) = 1.17°C/W MAX

D CURVES APPLY FOR POWER

PULSE TRAIN SHOWN

READ TIME AT t1

TJ(pk) – TC = P(pk) R

θJC(t)

P(pk)

t1

t2

DUTY CYCLE, D = t1/t2

D = 0.5

0.2

0.05

0.02

0.01

SINGLE PULSE

0.1

0.7

0.3

0.07

0.03

0.02

0.1

0.5

0.2

1000

Figure 5. Thermal Response

0.03

0.3

3

30

300