MMBT3904WT1G(2004) View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

MMBT3904WT1G
(Rev.:2004)

General Purpose Transistors

ON Semiconductor 

MMBT3904WT1, NPN MMBT3906WT1, PNP

MMBT3904WT1

TYPICAL AUDIO SMALL−SIGNAL CHARACTERISTICS

NOISE FIGURE VARIATIONS

(VCE = 5.0 Vdc, TA = 25°C, Bandwidth = 1.0 Hz)

12

14

SOURCE RESISTANCE = 200 W

10

IC = 1.0 mA

12 f = 1.0 kHz IC = 1.0 mA

8

SOURCE RESISTANCE = 200 W

IC = 0.5 mA

10

IC = 0.5 mA

8

6

SOURCE RESISTANCE = 1.0 k

IC = 50 mA

6

4

4

IC = 50 mA

IC = 100 mA

2 SOURCE RESISTANCE = 500 W

IC = 100 mA

0

0.1 0.2 0.4

1.0 2.0 4.0

MMBT3904WT1

10 20 40 100

f, FREQUENCY (kHz)

2

0

0.1 0.2

MMBT3904WT1

0.4 1.0 2.0 4.0 10 20 40 100

RS, SOURCE RESISTANCE (k OHMS)

Figure 7. Noise Figure

Figure 8. Noise Figure

h PARAMETERS

(VCE = 10 Vdc, f = 1.0 kHz, TA = 25°C)

300

100

MMBT3904WT1

50

200

20

MMBT3904WT1

100

10

70

5

50

2

30

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0

10

IC, COLLECTOR CURRENT (mA)

Figure 9. Current Gain

20

10

MMBT3904WT1

5.0

2.0

1.0

0.5

0.2

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0

10

IC, COLLECTOR CURRENT (mA)

Figure 11. Input Impedance

1

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0

10

IC, COLLECTOR CURRENT (mA)

Figure 10. Output Admittance

10

7.0

MMBT3904WT1

5.0

3.0

2.0

1.0

0.7

0.5

0.1

0.2 0.3 0.5

1.0

2.0 3.0 5.0

10

IC, COLLECTOR CURRENT (mA)

Figure 12. Voltage Feedback Ratio

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