TIP120 TIP121 TIP122 TIP125 TIP126 TIP127

4

Motorola Bipolar Power Transistor Device Data

20,000

0.1

Figure 8. DC Current Gain

IC, COLLECTOR CURRENT (AMP)

200

0.2

0.3

0.5

1.0

2.0

10

500

1000

300

2000

3000

VCE = 4.0 V

0.7

3.0

NPN

TIP120, TIP121, TIP122

PNP

TIP125, TIP126, TIP127

Figure 9. Collector Saturation Region

3.0

0.3

IB, BASE CURRENT (mA)

1.0

0.5

1.0

2.0

10

30

1.8

IC = 2.0 A

TJ = 25°C

4.0 A

2.2

2.6

0.7

5.0

3.0

0.1

IC, COLLECTOR CURRENT (AMP)

0.2 0.3

0.5

1.0

2.0

5.0

10

2.5

2.0

1.5

1.0

0.5

TJ = 25°C

VBE(sat) @ IC/IB = 250

VCE(sat) @ IC/IB = 250

Figure 10. “On” Voltages

VBE @ VCE = 4.0 V

3.0

10,000

5000

TJ = 150°C

25

°C

– 55

°C

20

IC, COLLECTOR CURRENT (AMP)

VCE = 4.0 V

TJ = 150°C

25

°C

– 55

°C

1.4

6.0 A

IB, BASE CURRENT (mA)

TJ = 25°C

IC, COLLECTOR CURRENT (AMP)

TJ = 25°C

VBE(sat) @ IC/IB = 250

VCE(sat) @ IC/IB = 250

VBE @ VCE = 4.0 V

5.0 7.0

20,000

0.1

200

0.2

0.3

0.5

1.0

2.0

10

500

1000

300

2000

3000

0.7

3.0

10,000

5000

5.0 7.0

7000

700

3.0

7.0

3.0

0.3

1.0

0.5

1.0

2.0

10

30

1.8

2.2

2.6

0.7

5.0

20

1.4

3.0

7.0

IC = 2.0 A

4.0 A

6.0 A

0.7

7.0

3.0

0.1

0.2 0.3

0.5

1.0

2.0

5.0

10

2.5

2.0

1.5

1.0

0.5

3.0

0.7

7.0