2N4401

http://onsemi.com

5

h PARAMETERS

This group of graphs illustrates the relationship between

obtain these curves, a high−gain and a low−gain unit were

selected from the 2N4401 lines, and the same units were

used to develop the correspondingly numbered curves on

each graph.

Figure 11. Current Gain

0.1

0.2

0.5 0.7 1.0

2.0

3.0

10

0.3

100

200

20

70

50

300

Figure 12. Input Impedance

50k

500

30

5.0 7.0

20k

10k

5.0k

2.0k

1.0k

0.1

0.2

0.5 0.7

1.0

2.0

3.0

10

0.3

5.0 7.0

Figure 13. Voltage Feedback Ratio

0.1

0.2

0.5 0.7

1.0

2.0

3.0

10

0.3

0.2

10

Figure 14. Output Admittance

100

1.0

5.0 7.0

50

20

10

5.0

2.0

7.0

5.0

3.0

2.0

1.0

0.7

0.5

0.3

2N4401 UNIT 1

2N4401 UNIT 2

2N4401 UNIT 1

2N4401 UNIT 2

2N4401 UNIT 1

2N4401 UNIT 2

2N4401 UNIT 1

2N4401 UNIT 2

0.1

0.2

0.5 0.7 1.0

2.0 3.0

10

0.3

5.0 7.0