2N3904 datasheet(4/9 Pages) ONSEMI

Part #	2N3904

Description	NPN General - Purpose Amplifier

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Manufacturer	ONSEMI [ON Semiconductor]

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2N3904

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4

TYPICAL PERFORMANCE CHARACTERISTICS (Continued)

1

10

100

5

100

500

IC, Collector Current (mA)

IB1 = IB2 =

IC

10

1

10

100

VCE = 5 V

0

2

4

6

8

10

12

0

2

4

6

8

10

12

0.5

0.75

1

0.25

1

10

100

1000

5

100

500

0.1

1

10

100

0.1

1

10

Figure 7. Noise Figure vs. Frequency

f, Frequency (kHz)

RS, Source Resistance (kW)

Figure 8. Noise Figure vs. Source Resistance

IC, Collector Current (mA)

f, Frequency (MHz)

Temperature (5C)

Figure 9. Current Gain and Phase Angle

vs. Frequency

Figure 10. Power Dissipation

vs. Ambient Temperature

Figure 11. Turn−On Time vs. Collector Current

100

0

td @ VCB = 0 V

IC = 1.0 mA

RS = 200 W

IC = 50 mA

RS = 1.0 kW

IC = 0.5 mA

RS = 200 W

IC = 100 mA

RS = 500 W

IC = 1.0 mA

IC = 5.0 mA

IC = 100 mA

IC = 50 mA

0

5

10

15

20

25

30

35

40

45

50

180

160

140

120

100

80

60

40

20

0

25

50

75

100

125

150

0

VCE = 40 V

IC = 10 mA

hfe

q

TO−92

IB1 = IB2 =

IC

10

15 V

tr @ VCC = 3.0 V

2.0 V

40 V

VCC = 40 V

TJ = 25°C

TJ = 125°C

Figure 12. Rise Time vs. Collector Current

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