BUL44 BUL44F

4

Motorola Bipolar Power Transistor Device Data

300

250

200

150

100

50

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

IC, COLLECTOR CURRENT (AMPS)

6.0

5.0

4.0

3.0

2.0

0

1.0

0.4

0.2

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

IC, COLLECTOR CURRENT (AMPS)

2500

2000

1500

1000

500

0

0.4

0.8

1.2

1.6

2.0

2.4

IC, COLLECTOR CURRENT (AMPS)

250

200

150

100

50

0

IC, COLLECTOR CURRENT (AMPS)

0.4

0.8

1.2

1.6

2.0

2.4

TYPICAL SWITCHING CHARACTERISTICS

(IB2 = IC/2 for all switching)

hFE, FORCED GAIN

2.0

1.5

1.0

0.5

5.0

6.0

7.0

8.0

9.0

10

11

12

13

14

15

200

150

100

50

IC, COLLECTOR CURRENT (AMPS)

0.4

0.8

1.2

1.6

2.0

2.4

Figure 7. Resistive Switching, ton

Figure 8. Resistive Switching, toff

Figure 9. Inductive Storage Time, tsi

Figure 10. Inductive Storage Time

Figure 11. Inductive Switching,

tc and tfi IC/IB = 5

Figure 12. Inductive Switching,

tc and tfi IC/IB = 10

IC/IB = 10

IC/IB = 5

IC/IB = 5

IC/IB = 10

IC/IB = 5

IC/IB = 10

IC = 0.4 A

IC = 1 A

tc

tfi

tc

tfi

IB(off) = IC/2

VCC = 300 V

PW = 20

µs

IB(off) = IC/2

VCC = 300 V

PW = 20

µs

IB(off) = IC/2

VCC = 15 V

VZ = 300 V

LC = 200 µH

IB(off) = IC/2

VCC = 15 V

VZ = 300 V

LC = 200 µH

IB(off) = IC/2

VCC = 15 V

VZ = 300 V

LC = 200 µH

IB(off) = IC/2

VCC = 15 V

VZ = 300 V

LC = 200 µH

TJ = 25°C

TJ = 125°C

TJ = 25°C

TJ = 125°C

TJ = 25°C

TJ = 125°C

TJ = 25°C

TJ = 125°C

TJ = 25°C

TJ = 125°C

TJ = 25°C

TJ = 125°C